<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:5f807839-f17f-4bf8-8cf1-71a9cbfa643b,g:e229237c-dfb8-45a0-a990-ad7d81181586-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:sats="http://www.echostar.com/20230930" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.echostar.com/20230930">
  <xs:import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sats-20230930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sats-20230930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sats-20230930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sats-20230930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.echostar.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETS" roleURI="http://www.echostar.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>0000002 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.echostar.com/role/CONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>0000003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFOPERATIONS" roleURI="http://www.echostar.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS">
        <link:definition>0000004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" roleURI="http://www.echostar.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS">
        <link:definition>0000005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" roleURI="http://www.echostar.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY">
        <link:definition>0000006 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.echostar.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>0000007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ORGANIZATIONANDBUSINESSACTIVITIES" roleURI="http://www.echostar.com/role/ORGANIZATIONANDBUSINESSACTIVITIES">
        <link:definition>0000008 - Disclosure - ORGANIZATION AND BUSINESS ACTIVITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES" roleURI="http://www.echostar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES">
        <link:definition>0000009 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITION" roleURI="http://www.echostar.com/role/REVENUERECOGNITION">
        <link:definition>0000010 - Disclosure - REVENUE RECOGNITION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIES" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIES">
        <link:definition>0000011 - Disclosure - MARKETABLE INVESTMENT SECURITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENT" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENT">
        <link:definition>0000012 - Disclosure - PROPERTY AND EQUIPMENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REGULATORYAUTHORIZATIONS" roleURI="http://www.echostar.com/role/REGULATORYAUTHORIZATIONS">
        <link:definition>0000013 - Disclosure - REGULATORY AUTHORIZATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTS" roleURI="http://www.echostar.com/role/OTHERINVESTMENTS">
        <link:definition>0000014 - Disclosure - OTHER INVESTMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LONGTERMDEBT" roleURI="http://www.echostar.com/role/LONGTERMDEBT">
        <link:definition>0000015 - Disclosure - LONG-TERM DEBT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXES" roleURI="http://www.echostar.com/role/INCOMETAXES">
        <link:definition>0000016 - Disclosure - INCOME TAXES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHARE" roleURI="http://www.echostar.com/role/EARNINGSPERSHARE">
        <link:definition>0000017 - Disclosure - EARNINGS PER SHARE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORK" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORK">
        <link:definition>0000018 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSOTHER" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSOTHER">
        <link:definition>0000019 - Disclosure - RELATED PARTY TRANSACTIONS - OTHER</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIES" roleURI="http://www.echostar.com/role/CONTINGENCIES">
        <link:definition>0000020 - Disclosure - CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTREPORTING" roleURI="http://www.echostar.com/role/SEGMENTREPORTING">
        <link:definition>0000021 - Disclosure - SEGMENT REPORTING</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUPPLEMENTALFINANCIALINFORMATION" roleURI="http://www.echostar.com/role/SUPPLEMENTALFINANCIALINFORMATION">
        <link:definition>0000022 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUBSEQUENTEVENTS" roleURI="http://www.echostar.com/role/SUBSEQUENTEVENTS">
        <link:definition>0000023 - Disclosure - SUBSEQUENT EVENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies" roleURI="http://www.echostar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies">
        <link:definition>9954471 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONTables" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONTables">
        <link:definition>9954472 - Disclosure - REVENUE RECOGNITION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESTables" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESTables">
        <link:definition>9954473 - Disclosure - MARKETABLE INVESTMENT SECURITIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENTTables" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENTTables">
        <link:definition>9954474 - Disclosure - PROPERTY AND EQUIPMENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REGULATORYAUTHORIZATIONSTables" roleURI="http://www.echostar.com/role/REGULATORYAUTHORIZATIONSTables">
        <link:definition>9954475 - Disclosure - REGULATORY AUTHORIZATIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTSTables" roleURI="http://www.echostar.com/role/OTHERINVESTMENTSTables">
        <link:definition>9954476 - Disclosure - OTHER INVESTMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LONGTERMDEBTTables" roleURI="http://www.echostar.com/role/LONGTERMDEBTTables">
        <link:definition>9954477 - Disclosure - LONG-TERM DEBT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHARETables" roleURI="http://www.echostar.com/role/EARNINGSPERSHARETables">
        <link:definition>9954478 - Disclosure - EARNINGS PER SHARE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKTables" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKTables">
        <link:definition>9954479 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESTables" roleURI="http://www.echostar.com/role/CONTINGENCIESTables">
        <link:definition>9954480 - Disclosure - CONTINGENCIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTREPORTINGTables" roleURI="http://www.echostar.com/role/SEGMENTREPORTINGTables">
        <link:definition>9954481 - Disclosure - SEGMENT REPORTING (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUPPLEMENTALFINANCIALINFORMATIONTables" roleURI="http://www.echostar.com/role/SUPPLEMENTALFINANCIALINFORMATIONTables">
        <link:definition>9954482 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ORGANIZATIONANDBUSINESSACTIVITIESDetails" roleURI="http://www.echostar.com/role/ORGANIZATIONANDBUSINESSACTIVITIESDetails">
        <link:definition>9954483 - Disclosure - ORGANIZATION AND BUSINESS ACTIVITIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" roleURI="http://www.echostar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails">
        <link:definition>9954484 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONScheduleofComponentsofContractBalancesDetails" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONScheduleofComponentsofContractBalancesDetails">
        <link:definition>9954485 - Disclosure - REVENUE RECOGNITION - Schedule of Components of Contract Balances (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONActivityinContractAcquisitionCostsDetails" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONActivityinContractAcquisitionCostsDetails">
        <link:definition>9954486 - Disclosure - REVENUE RECOGNITION - Activity in Contract Acquisition Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONNarrativeDetails" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONNarrativeDetails">
        <link:definition>9954487 - Disclosure - REVENUE RECOGNITION - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONNarrativeDetails_1" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONNarrativeDetails_1">
        <link:definition>9954487 - Disclosure - REVENUE RECOGNITION - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONScheduleofDisaggregationofRevenueDetails" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONScheduleofDisaggregationofRevenueDetails">
        <link:definition>9954488 - Disclosure - REVENUE RECOGNITION - Schedule of Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUERECOGNITIONLeaseIncomeByLeaseTypeDetails" roleURI="http://www.echostar.com/role/REVENUERECOGNITIONLeaseIncomeByLeaseTypeDetails">
        <link:definition>9954489 - Disclosure - REVENUE RECOGNITION - Lease Income By Lease Type (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESScheduleofInvestmentsDetails" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESScheduleofInvestmentsDetails">
        <link:definition>9954490 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESScheduleofInvestmentsDetails_1" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESScheduleofInvestmentsDetails_1">
        <link:definition>9954490 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESScheduleofUnrealizedGainsLossesonAvailableforSaleSecuritiesDetails" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESScheduleofUnrealizedGainsLossesonAvailableforSaleSecuritiesDetails">
        <link:definition>9954491 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Unrealized Gains (Losses) on Available-for-Sale Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESActivityonAvailableforSaleSecuritiesDetails" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESActivityonAvailableforSaleSecuritiesDetails">
        <link:definition>9954492 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Activity on Available for Sale Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESNarrativeDetails" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESNarrativeDetails">
        <link:definition>9954493 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESEquitySecuritiesDetails" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESEquitySecuritiesDetails">
        <link:definition>9954494 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Equity Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MARKETABLEINVESTMENTSECURITIESScheduleofFairValueMeasurementsDetails" roleURI="http://www.echostar.com/role/MARKETABLEINVESTMENTSECURITIESScheduleofFairValueMeasurementsDetails">
        <link:definition>9954495 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENTMajorAssetClassDetails" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENTMajorAssetClassDetails">
        <link:definition>9954496 - Disclosure - PROPERTY AND EQUIPMENT- Major Asset Class (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENTNarrativeDetails" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENTNarrativeDetails">
        <link:definition>9954497 - Disclosure - PROPERTY AND EQUIPMENT - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENTScheduleofSatellitesDetails" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENTScheduleofSatellitesDetails">
        <link:definition>9954498 - Disclosure - PROPERTY AND EQUIPMENT - Schedule of Satellites (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails">
        <link:definition>9954499 - Disclosure - PROPERTY AND EQUIPMENT - Schedule of Property Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYANDEQUIPMENTScheduleofDepreciationandCapitalizedInterestDetails" roleURI="http://www.echostar.com/role/PROPERTYANDEQUIPMENTScheduleofDepreciationandCapitalizedInterestDetails">
        <link:definition>9954500 - Disclosure - PROPERTY AND EQUIPMENT - Schedule of Depreciation and Capitalized Interest (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REGULATORYAUTHORIZATIONSScheduleofRegulatoryAuthorizationsDetails" roleURI="http://www.echostar.com/role/REGULATORYAUTHORIZATIONSScheduleofRegulatoryAuthorizationsDetails">
        <link:definition>9954501 - Disclosure - REGULATORY AUTHORIZATIONS - Schedule of Regulatory Authorizations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTSScheduleofOtherInvestmentsNetDetails" roleURI="http://www.echostar.com/role/OTHERINVESTMENTSScheduleofOtherInvestmentsNetDetails">
        <link:definition>9954502 - Disclosure - OTHER INVESTMENTS - Schedule of Other Investments, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTSNarrativeDetails" roleURI="http://www.echostar.com/role/OTHERINVESTMENTSNarrativeDetails">
        <link:definition>9954503 - Disclosure - OTHER INVESTMENTS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTSScheduleofRevenueRecognizedDetails" roleURI="http://www.echostar.com/role/OTHERINVESTMENTSScheduleofRevenueRecognizedDetails">
        <link:definition>9954504 - Disclosure - OTHER INVESTMENTS - Schedule of Revenue Recognized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTSScheduleofTradeAccountsReceivableDetails" roleURI="http://www.echostar.com/role/OTHERINVESTMENTSScheduleofTradeAccountsReceivableDetails">
        <link:definition>9954505 - Disclosure - OTHER INVESTMENTS - Schedule of Trade Accounts Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERINVESTMENTSOtherEquityInvestmentsDetails" roleURI="http://www.echostar.com/role/OTHERINVESTMENTSOtherEquityInvestmentsDetails">
        <link:definition>9954506 - Disclosure - OTHER INVESTMENTS - Other Equity Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LONGTERMDEBTScheduleofDebtDetails" roleURI="http://www.echostar.com/role/LONGTERMDEBTScheduleofDebtDetails">
        <link:definition>9954507 - Disclosure - LONG-TERM DEBT - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESDetails" roleURI="http://www.echostar.com/role/INCOMETAXESDetails">
        <link:definition>9954508 - Disclosure - INCOME TAXES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHAREScheduleofBasicandDilutedEarningsPerShareDetails" roleURI="http://www.echostar.com/role/EARNINGSPERSHAREScheduleofBasicandDilutedEarningsPerShareDetails">
        <link:definition>9954509 - Disclosure - EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHAREAntidilutiveSecuritiesDetails" roleURI="http://www.echostar.com/role/EARNINGSPERSHAREAntidilutiveSecuritiesDetails">
        <link:definition>9954510 - Disclosure - EARNINGS PER SHARE - Antidilutive Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKOverviewDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKOverviewDetails">
        <link:definition>9954511 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Overview (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKServicesandOtherRevenueDISHNetworkDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKServicesandOtherRevenueDISHNetworkDetails">
        <link:definition>9954512 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Services and Other Revenue - DISH Network (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKRealEstateLeasestoDISHNetworkDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKRealEstateLeasestoDISHNetworkDetails">
        <link:definition>9954513 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Real Estate Leases to DISH Network (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKTerreStarAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKTerreStarAgreementDetails">
        <link:definition>9954514 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - TerreStar Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKHughesBroadbandDistributionAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKHughesBroadbandDistributionAgreementDetails">
        <link:definition>9954515 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Hughes Broadband Distribution Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKDBSDNorthAmericaAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKDBSDNorthAmericaAgreementDetails">
        <link:definition>9954516 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - DBSD North America Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKHughesEquipmentandServicesAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKHughesEquipmentandServicesAgreementDetails">
        <link:definition>9954517 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Hughes Equipment and Services Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKOperatingExpensesDISHNetworkDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKOperatingExpensesDISHNetworkDetails">
        <link:definition>9954518 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Operating Expenses - DISH Network (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKAmendedandRestatedProfessionalServicesAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKAmendedandRestatedProfessionalServicesAgreementDetails">
        <link:definition>9954519 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Amended and Restated Professional Services Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKRealEstateLeasesFromDISHNetworkDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKRealEstateLeasesFromDISHNetworkDetails">
        <link:definition>9954520 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Real Estate Leases From DISH Network (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKCollocationandAntennaSpaceAgreementsDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKCollocationandAntennaSpaceAgreementsDetails">
        <link:definition>9954521 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Collocation and Antenna Space Agreements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKHughesBroadbandMasterServicesAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKHughesBroadbandMasterServicesAgreementDetails">
        <link:definition>9954522 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Hughes Broadband Master Services Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORK2019TTCAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORK2019TTCAgreementDetails">
        <link:definition>9954523 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - 2019 TT&amp;C Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKReferralMarketingAgreementDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKReferralMarketingAgreementDetails">
        <link:definition>9954524 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Referral Marketing Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKOtherReceivablesDISHNetworkDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKOtherReceivablesDISHNetworkDetails">
        <link:definition>9954525 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Other Receivables - DISH Network (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSDISHNETWORKOtherAgreementsDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSDISHNETWORKOtherAgreementsDetails">
        <link:definition>9954526 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Other Agreements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSOTHERDetails" roleURI="http://www.echostar.com/role/RELATEDPARTYTRANSACTIONSOTHERDetails">
        <link:definition>9954527 - Disclosure - RELATED PARTY TRANSACTIONS - OTHER (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESNarrativeDetails" roleURI="http://www.echostar.com/role/CONTINGENCIESNarrativeDetails">
        <link:definition>9954528 - Disclosure - CONTINGENCIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESAccrualForLicenseFeeDisputeDetails" roleURI="http://www.echostar.com/role/CONTINGENCIESAccrualForLicenseFeeDisputeDetails">
        <link:definition>9954529 - Disclosure - CONTINGENCIES - Accrual For License Fee Dispute (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTREPORTINGNarrativeDetails" roleURI="http://www.echostar.com/role/SEGMENTREPORTINGNarrativeDetails">
        <link:definition>9954530 - Disclosure - SEGMENT REPORTING - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTREPORTINGRevenueCapitalExpendituresandEBITDADetails" roleURI="http://www.echostar.com/role/SEGMENTREPORTINGRevenueCapitalExpendituresandEBITDADetails">
        <link:definition>9954531 - Disclosure - SEGMENT REPORTING - Revenue, Capital Expenditures, and EBITDA (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUPPLEMENTALFINANCIALINFORMATIONOtherCurrentAssetsNetandOtherNoncurrentAssetsNetDetails" roleURI="http://www.echostar.com/role/SUPPLEMENTALFINANCIALINFORMATIONOtherCurrentAssetsNetandOtherNoncurrentAssetsNetDetails">
        <link:definition>9954532 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Other Current Assets, Net and Other Non-current Assets, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUPPLEMENTALFINANCIALINFORMATIONAccruedExpensesandOtherCurrentLiabilitiesandOtherNonCurrentLiabilitiesDetails" roleURI="http://www.echostar.com/role/SUPPLEMENTALFINANCIALINFORMATIONAccruedExpensesandOtherCurrentLiabilitiesandOtherNonCurrentLiabilitiesDetails">
        <link:definition>9954533 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Accrued Expenses and Other Current Liabilities and Other Non-Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUPPLEMENTALFINANCIALINFORMATIONInventoryDetails" roleURI="http://www.echostar.com/role/SUPPLEMENTALFINANCIALINFORMATIONInventoryDetails">
        <link:definition>9954534 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Inventory (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SUPPLEMENTALFINANCIALINFORMATIONScheduleofNoncashInvestingandFinancingActivitiesDetails" roleURI="http://www.echostar.com/role/SUPPLEMENTALFINANCIALINFORMATIONScheduleofNoncashInvestingandFinancingActivitiesDetails">
        <link:definition>9954535 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Noncash Investing and Financing Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventDetails" roleURI="http://www.echostar.com/role/SubsequentEventDetails">
        <link:definition>9954536 - Disclosure - Subsequent Event (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="sats_DISHNetworkCorporationMember" abstract="true" name="DISHNetworkCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sats_InOrbitIncentiveObligationsCurrent" abstract="false" name="InOrbitIncentiveObligationsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_Eutelsat65WestAMember" abstract="true" name="Eutelsat65WestAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_APICConsiderationReceivedForTaxCreditsUtilized" abstract="false" name="APICConsiderationReceivedForTaxCreditsUtilized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_ConstructioninProgressSatellitesMember" abstract="true" name="ConstructioninProgressSatellitesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EchoStarMember" abstract="true" name="EchoStarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sats_EchoStar105SES11Member" abstract="true" name="EchoStar105SES11Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_DeluxeEchoStarLLCMember" abstract="true" name="DeluxeEchoStarLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_CostMethodInvestmentNonvotingInterestOwnershipPercentage" abstract="false" name="CostMethodInvestmentNonvotingInterestOwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sats_IncreaseDecreaseInCapitalizedContractCostRollForward" abstract="true" name="IncreaseDecreaseInCapitalizedContractCostRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sats_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" abstract="false" name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sats_SatelliteRelatedObligationMember" abstract="true" name="SatelliteRelatedObligationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_OtherReceivablesNoncurrent" abstract="false" name="OtherReceivablesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_NumberOfSatellitesInGeostationaryOrbitUtilizedByReportingEntity" abstract="false" name="NumberOfSatellitesInGeostationaryOrbitUtilizedByReportingEntity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sats_OtherComprehensiveIncomeLossNetofTaxExcludingOtherEquityComponents" abstract="false" name="OtherComprehensiveIncomeLossNetofTaxExcludingOtherEquityComponents" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_FiniteLivedIntangibleAssetsAccumulatedAmortizationRollForward" abstract="true" name="FiniteLivedIntangibleAssetsAccumulatedAmortizationRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsLesseeOperatingLeaseRealEstateMember" abstract="true" name="RelatedPartyTransactionsLesseeOperatingLeaseRealEstateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_SatellitesMember" abstract="true" name="SatellitesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EchoStarXVIIMember" abstract="true" name="EchoStarXVIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_CollocationandAntennaSpaceAgreementsMember" abstract="true" name="CollocationandAntennaSpaceAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_SatellitesAcquiredUnderFinanceLeaseMember" abstract="true" name="SatellitesAcquiredUnderFinanceLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsLessorOperatingLeaseRealEstateMember" abstract="true" name="RelatedPartyTransactionsLessorOperatingLeaseRealEstateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsAgreementTerminationRequiredNoticePeriodFromRelatedPartyMinimum" abstract="false" name="RelatedPartyTransactionsAgreementTerminationRequiredNoticePeriodFromRelatedPartyMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_AccountingPoliciesTable" abstract="true" name="AccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sats_CheyenneWyomingAndGilbertArizonaMember" abstract="true" name="CheyenneWyomingAndGilbertArizonaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EquitySecuritiesWithoutReadilyDeterminableFairValueGainLoss" abstract="false" name="EquitySecuritiesWithoutReadilyDeterminableFairValueGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfAgreement" abstract="false" name="RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_CorporateAndEliminationsMember" abstract="true" name="CorporateAndEliminationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_BusinessCombinationOwnershipPercentageAcquiredByRelatedParty" abstract="false" name="BusinessCombinationOwnershipPercentageAcquiredByRelatedParty" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsAgreementAutomaticRenewalPeriod" abstract="false" name="RelatedPartyTransactionsAgreementAutomaticRenewalPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_ServicesAndOtherRevenueMember" abstract="true" name="ServicesAndOtherRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_YahsatBrazilMember" abstract="true" name="YahsatBrazilMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sats_ServicesLeaseMember" abstract="true" name="ServicesLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_CheyenneLeaseAgreementMember" abstract="true" name="CheyenneLeaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_ReferralMarketingAgreementMember" abstract="true" name="ReferralMarketingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_CommonClassDMember" abstract="true" name="CommonClassDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AccrualForLicenseFeeDisputeCurrent" abstract="false" name="AccrualForLicenseFeeDisputeCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_NonVotingRestrictedTerm" abstract="false" name="NonVotingRestrictedTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_BroadbandConnectivitySolutionsMember" abstract="true" name="BroadbandConnectivitySolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_HughesSystiqueCorporationMember" abstract="true" name="HughesSystiqueCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AccrualForLicenseFeeDisputeNoncurrent" abstract="false" name="AccrualForLicenseFeeDisputeNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_ScheduleofReconciliationofEBITDAtoIncomeLossFromContinuingOperationsbeforeIncomeTaxesTableTextBlock" abstract="false" name="ScheduleofReconciliationofEBITDAtoIncomeLossFromContinuingOperationsbeforeIncomeTaxesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sats_LesseeOperatingLeaseAdditionalRenewalTerm" abstract="false" name="LesseeOperatingLeaseAdditionalRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_GainOnRepaymentOfOtherDebtSecurities" abstract="false" name="GainOnRepaymentOfOtherDebtSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_SouthAndCentralAmericaMember" abstract="true" name="SouthAndCentralAmericaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_OtherIntangibleAssetsNetTranslationAdjustments" abstract="false" name="OtherIntangibleAssetsNetTranslationAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsPercentageOfEconomicInterestHeld" abstract="false" name="RelatedPartyTransactionsPercentageOfEconomicInterestHeld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sats_HughesNetworkSystemsMember" abstract="true" name="HughesNetworkSystemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsAgreementTerm" abstract="false" name="RelatedPartyTransactionsAgreementTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_SatellitesLeasedMember" abstract="true" name="SatellitesLeasedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sats_DISHNimiq5AgreementMember" abstract="true" name="DISHNimiq5AgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_InterestandInterestonPenaltiesMember" abstract="true" name="InterestandInterestonPenaltiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_TerreStarSolutionsInc.Member" abstract="true" name="TerreStarSolutionsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_LicenseFeeDisputeMember" abstract="true" name="LicenseFeeDisputeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_NewYorkConnectAmericaFundNewYorkBroadbandAndAffordableConnectivityPlanMember" abstract="true" name="NewYorkConnectAmericaFundNewYorkBroadbandAndAffordableConnectivityPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sats_CorporateBondSecuritiesFairValueOptionMember" abstract="true" name="CorporateBondSecuritiesFairValueOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_SeniorSecuredNotes5.250PercentDue2026Member" abstract="true" name="SeniorSecuredNotes5.250PercentDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EchoStarSatelliteServicesBusinessMember" abstract="true" name="EchoStarSatelliteServicesBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_HughesBroadbandMasterServicesAgreementMember" abstract="true" name="HughesBroadbandMasterServicesAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_HughesRetailGroupMember" abstract="true" name="HughesRetailGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_FiniteLivedIntangibleAssetsCurrencyTranslationAdjustmentNet" abstract="false" name="FiniteLivedIntangibleAssetsCurrencyTranslationAdjustmentNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_BSSCorp.Member" abstract="true" name="BSSCorp.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_TotalNonoperatingIncomeExpenseInterestAndDebtExpenseAndIncomeLossFromEquityMethodInvestments" abstract="false" name="TotalNonoperatingIncomeExpenseInterestAndDebtExpenseAndIncomeLossFromEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_GainLossOnOtherDebtInvestments" abstract="false" name="GainLossOnOtherDebtInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_PreferredTrackingStockMember" abstract="true" name="PreferredTrackingStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AccountingPoliciesLineItems" abstract="true" name="AccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sats_EarningsPerShareBasicAndDilutedEPSAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedEPSAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sats_IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid" abstract="false" name="IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_CapitalizedContractCostAdditions" abstract="false" name="CapitalizedContractCostAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_CapitalizedContractCostForeignCurrencyTranslation" abstract="false" name="CapitalizedContractCostForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_AllOtherGeographicSegmentsMember" abstract="true" name="AllOtherGeographicSegmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_HughesBusinessSegmentMember" abstract="true" name="HughesBusinessSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_TTCAgreementMember" abstract="true" name="TTCAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_TelesatCanadaMember" abstract="true" name="TelesatCanadaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_SatellitesOwnedMember" abstract="true" name="SatellitesOwnedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_FiniteLivedIntangibleAssetsGrossTranslationAdjustments" abstract="false" name="FiniteLivedIntangibleAssetsGrossTranslationAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsFairValueDisclosure" abstract="false" name="CashAndCashEquivalentsAndRestrictedCashAndCashEquivalentsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_DeferredIncomeTaxExpenseBenefitIncludingDiscontinuedOperations" abstract="false" name="DeferredIncomeTaxExpenseBenefitIncludingDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_ShareExchangeAgreementMember" abstract="true" name="ShareExchangeAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyAgreementTerminationNotice" abstract="false" name="RelatedPartyAgreementTerminationNotice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_EquipmentProductMember" abstract="true" name="EquipmentProductMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsAgreementRenewalOptionTerm" abstract="false" name="RelatedPartyTransactionsAgreementRenewalOptionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_DISHNetworkMember" abstract="true" name="DISHNetworkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_PercentageOwnershipInVariableInterestEntityByOtherRelatedParties" abstract="false" name="PercentageOwnershipInVariableInterestEntityByOtherRelatedParties" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sats_DepreciationExpenseIncrease" abstract="false" name="DepreciationExpenseIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_DBSDNorthAmericaAgreementMember" abstract="true" name="DBSDNorthAmericaAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_InOrbitIncentiveObligationsNoncurrent" abstract="false" name="InOrbitIncentiveObligationsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_CapitalExpendituresNetOfRefundsAndOtherReceiptsRelatedToCapitalExpenditures" abstract="false" name="CapitalExpendituresNetOfRefundsAndOtherReceiptsRelatedToCapitalExpenditures" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_A100InvernessLeaseAgreementMember" abstract="true" name="A100InvernessLeaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EchoStarIXMember" abstract="true" name="EchoStarIXMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_PenaltiesMember" abstract="true" name="PenaltiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EchoStarXXIMember" abstract="true" name="EchoStarXXIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AmendedandRestatedProfessionalServicesAgreementMember" abstract="true" name="AmendedandRestatedProfessionalServicesAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_FiniteLivedIntangibleAssetsAmortizationTranslationAdjustments" abstract="false" name="FiniteLivedIntangibleAssetsAmortizationTranslationAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_ServicesDesignDevelopmentAndConstructionMember" abstract="true" name="ServicesDesignDevelopmentAndConstructionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyTransactionAgreementRenewalOptionNumberOfRenewalTerms" abstract="false" name="RelatedPartyTransactionAgreementRenewalOptionNumberOfRenewalTerms" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sats_OtherAccruedLiabilitiesMiscellaneousCurrent" abstract="false" name="OtherAccruedLiabilitiesMiscellaneousCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedForEachShareOfCommonStock" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedForEachShareOfCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sats_AlYah3Member" abstract="true" name="AlYah3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_Telesat19VsatelliteMember" abstract="true" name="Telesat19VsatelliteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsNumberOfDBSTranspondersAvailable" abstract="false" name="RelatedPartyTransactionsNumberOfDBSTranspondersAvailable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sats_ContractFulfillmentCostsNetNoncurrent" abstract="false" name="ContractFulfillmentCostsNetNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_SPACEWAY3Member" abstract="true" name="SPACEWAY3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_CheyenneWyomingMember" abstract="true" name="CheyenneWyomingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_HughesBroadbandDistributionAgreementMember" abstract="true" name="HughesBroadbandDistributionAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EchoStarXIXMember" abstract="true" name="EchoStarXIXMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_ProductLeaseMember" abstract="true" name="ProductLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_ProceedsFromRefundsAndOtherReceiptsRelatedToCapitalExpenditures" abstract="false" name="ProceedsFromRefundsAndOtherReceiptsRelatedToCapitalExpenditures" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsAgreementRenewalNoticeRequiredbyReportingEntity" abstract="false" name="RelatedPartyTransactionsAgreementRenewalNoticeRequiredbyReportingEntity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_LossContingencyPaymentScheduleTerm" abstract="false" name="LossContingencyPaymentScheduleTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_TerreStarAgreementMember" abstract="true" name="TerreStarAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_FiniteLivedIntangibleAssetsGrossRollForward" abstract="true" name="FiniteLivedIntangibleAssetsGrossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sats_AdjustmentsToAdditionalPaidInCapitalSharesIssuedAndAssetsContributedRelatedToJointVenture" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalSharesIssuedAndAssetsContributedRelatedToJointVenture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_TeleSatTransponderAgreementMember" abstract="true" name="TeleSatTransponderAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AdditionalLicenseFeesMember" abstract="true" name="AdditionalLicenseFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AvailableForSaleSecuritiesDebtMaturitiesAfterNextRollingTwelveMonthsFairValue" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesAfterNextRollingTwelveMonthsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_OtherAccruedLiabilitiesMiscellaneousNoncurrent" abstract="false" name="OtherAccruedLiabilitiesMiscellaneousNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_NumberOfGovernmentPrograms" abstract="false" name="NumberOfGovernmentPrograms" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfSpecificService" abstract="false" name="RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfSpecificService" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_SatellitesinGeosynchronousOrbitLengthAboveEquator" abstract="false" name="SatellitesinGeosynchronousOrbitLengthAboveEquator" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:lengthItemType"/>
  <xs:element id="sats_RelatedPartyTransactionsAgreementTerminationNoticeRequiredByReportingEntity" abstract="false" name="RelatedPartyTransactionsAgreementTerminationNoticeRequiredByReportingEntity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sats_IntangibleAssetsExcludingOtherIntangibleAssets" abstract="false" name="IntangibleAssetsExcludingOtherIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_FinanceLeaseRightOfUseAssetNumberOfUnits" abstract="false" name="FinanceLeaseRightOfUseAssetNumberOfUnits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sats_LeaseReceivableMember" abstract="true" name="LeaseReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_SeniorUnsecuredNotes6.625PercentDue2026Member" abstract="true" name="SeniorUnsecuredNotes6.625PercentDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_HughesEquipmentAndServiceAgreementMember" abstract="true" name="HughesEquipmentAndServiceAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_EarningsBeforeInterestTaxDepreciationAndAmortization" abstract="false" name="EarningsBeforeInterestTaxDepreciationAndAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sats_ScheduleOfSatellitesTableTextBlock" abstract="false" name="ScheduleOfSatellitesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sats_EchoStarTechnologiesBusinessMember" abstract="true" name="EchoStarTechnologiesBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_AssetHeldUnderFinanceLeaseMember" abstract="true" name="AssetHeldUnderFinanceLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sats_SatelliteAndTrackingStockTransactionMember" abstract="true" name="SatelliteAndTrackingStockTransactionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
