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Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - STOCKHOLDERS’ EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK (Tables) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - SEGMENT REPORTING (Tables) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - ORGANIZATION AND BUSINESS ACTIVITIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Adoption of New Accounting Pronouncements (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - REVENUE RECOGNITION - Schedule of Components of Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - REVENUE RECOGNITION - Schedule of Allowance for Doubtful Accounts Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - REVENUE RECOGNITION - Activity in Contract Acquisition Costs (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - REVENUE RECOGNITION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - REVENUE RECOGNITION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - REVENUE RECOGNITION - Schedule of Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - REVENUE RECOGNITION - Lease Income By Lease Type (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - REVENUE RECOGNITION - Lease Income Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - REVENUE RECOGNITION - Property Subject to Operating Lease (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - LESSEE ACCOUNTING - Schedule of Lease Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - LESSEE ACCOUNTING - Schedule of Lease Cost, Weighted Average Term, Discount Rates and Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - LESSEE ACCOUNTING - Schedule of Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - 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Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Unrealized Gains (Losses) on Available-for-Sale Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Activity on Available for Sale Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Fair Value Option (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - MARKETABLE INVESTMENT SECURITIES - Schedule of Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 0000081 - Disclosure - PROPERTY AND EQUIPMENT- Major Asset Class (Details) link:presentationLink link:calculationLink link:definitionLink 0000082 - Disclosure - PROPERTY AND EQUIPMENT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - PROPERTY AND EQUIPMENT - Schedule of Satellites (Details) link:presentationLink link:calculationLink link:definitionLink 0000084 - Disclosure - PROPERTY AND EQUIPMENT - Schedule of Property Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000085 - Disclosure - PROPERTY AND EQUIPMENT - Schedule of Depreciation and Capitalized Interest (Details) link:presentationLink link:calculationLink link:definitionLink 0000086 - Disclosure - PROPERTY AND EQUIPMENT - Other Property Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000087 - Disclosure - PROPERTY AND EQUIPMENT - Other Property Plant and Equipment Depreciation (Details) link:presentationLink link:calculationLink link:definitionLink 0000088 - Disclosure - REGULATORY AUTHORIZATIONS - Schedule of Regulatory Authorizations (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - REGULATORY AUTHORIZATIONS - Future Amortization of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000090 - Disclosure - GOODWILL (Details) link:presentationLink link:calculationLink link:definitionLink 0000091 - Disclosure - GOODWILL - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 0000092 - Disclosure - OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000093 - Disclosure - OTHER INTANGIBLE ASSETS - Schedule of estimated future amortization (Details) link:presentationLink link:calculationLink link:definitionLink 0000094 - Disclosure - OTHER INVESTMENTS - Schedule of Other Investments, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000095 - Disclosure - OTHER INVESTMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000096 - Disclosure - OTHER INVESTMENTS - Schedule of Revenue Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 0000097 - Disclosure - OTHER INVESTMENTS - Schedule of Trade Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 0000098 - Disclosure - OTHER INVESTMENTS - Other Equity Investments (Details) link:presentationLink link:calculationLink link:definitionLink 0000099 - Disclosure - OTHER INVESTMENTS - Schedule of Other Debt Investments, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000100 - Disclosure - OTHER INVESTMENTS - Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 0000101 - Disclosure - OTHER INVESTMENTS - Interest Income, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000102 - Disclosure - LONG-TERM DEBT - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000103 - Disclosure - LONG-TERM DEBT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000104 - Disclosure - INCOME TAXES - Components of Income (Loss) From Continuing Operations Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000105 - Disclosure - INCOME TAXES - Components of Income Tax Benefit (Provision), Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000106 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000107 - Disclosure - INCOME TAXES - Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 0000108 - Disclosure - INCOME TAXES - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000109 - Disclosure - INCOME TAXES - Reconciliation of Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 0000110 - Disclosure - STOCKHOLDERS’ EQUITY - Preferred Stock and Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 0000111 - Disclosure - STOCKHOLDERS’ EQUITY - Common Stock Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 0000112 - Disclosure - EMPLOYEE BENEFIT PLANS - Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 0000113 - Disclosure - EMPLOYEE BENEFIT PLANS - 401(k) Employee Savings Plans (Details) link:presentationLink link:calculationLink link:definitionLink 0000114 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000115 - 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Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Amended and Restated Professional Services Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000129 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Real Estate Leases From DISH Network (Details) link:presentationLink link:calculationLink link:definitionLink 0000130 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Collocation and Antenna Space Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 0000131 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Hughes Broadband Master Services Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000132 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - 2019 TT&C Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000133 - Disclosure - RELATED PARTY TRANSACTIONS - DISH NETWORK - Referral Marketing Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000134 - 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