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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_9E80EF16F8B7F61ECD822CBC060CAC7B_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_9E80EF16F8B7F61ECD822CBC060CAC7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019 (remaining)</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_9E80EF16F8B7F61ECD822CBC060CAC7B_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_9E80EF16F8B7F61ECD822CBC060CAC7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_9E80EF16F8B7F61ECD822CBC060CAC7B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_78ECF17125E7E703EE102CBC062B328C_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_78ECF17125E7E703EE102CBC062B328C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_78ECF17125E7E703EE102CBC062B328C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_B553B694BEE128B1749E2CBC065228FB_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_B553B694BEE128B1749E2CBC065228FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_B553B694BEE128B1749E2CBC065228FB_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_B553B694BEE128B1749E2CBC065228FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_B553B694BEE128B1749E2CBC065228FB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_11875281CAF2BD53A9B02CBC067B7555_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_11875281CAF2BD53A9B02CBC067B7555" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2C2CEF800240EBE9A7632CBC06AB4DC7_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_2C2CEF800240EBE9A7632CBC06AB4DC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
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    <link:label id="lab_gsat_LesseeOperatingLeaseLiabilityPaymentsDueInYearSix_D9B4CA0259EC519D1FEE2CB834143C6A_terseLabel_en-US" xlink:label="lab_gsat_LesseeOperatingLeaseLiabilityPaymentsDueInYearSix_D9B4CA0259EC519D1FEE2CB834143C6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2024</link:label>
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    <link:label id="lab_gsat_SpaceComponentMember_59ADE502FA6F78E41FFC78D57BDB586E_terseLabel_en-US" xlink:label="lab_gsat_SpaceComponentMember_59ADE502FA6F78E41FFC78D57BDB586E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Space component</link:label>
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    <link:label id="lab_gsat_SpaceComponentMember_59ADE502FA6F78E41FFC78D57BDB586E_documentation_en-US" xlink:label="lab_gsat_SpaceComponentMember_59ADE502FA6F78E41FFC78D57BDB586E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Space Component [Member]</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_E1AE025C58EFB93CCA3778D57BDC9131_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentOtherTypesMember_E1AE025C58EFB93CCA3778D57BDC9131" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:label id="lab_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_5FF9042A39A94DD3165878D57BDCEF9F_label_en-US" xlink:label="lab_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_5FF9042A39A94DD3165878D57BDCEF9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Software and Software Development Costs [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_5FF9042A39A94DD3165878D57BDCEF9F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EquipmentMember_96F07E245ACD70FF3DFF78D57BDC146A_terseLabel_en-US" xlink:label="lab_us-gaap_EquipmentMember_96F07E245ACD70FF3DFF78D57BDC146A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment</link:label>
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    <link:label id="lab_us-gaap_LandAndBuildingMember_C7D1BC6C024BE1A4AEE878D57BDC3B08_terseLabel_en-US" xlink:label="lab_us-gaap_LandAndBuildingMember_C7D1BC6C024BE1A4AEE878D57BDC3B08" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land and buildings</link:label>
    <link:label id="lab_us-gaap_LandAndBuildingMember_C7D1BC6C024BE1A4AEE878D57BDC3B08_label_en-US" xlink:label="lab_us-gaap_LandAndBuildingMember_C7D1BC6C024BE1A4AEE878D57BDC3B08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land and Building [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LandAndBuildingMember" xlink:label="loc_us-gaap_LandAndBuildingMember_C7D1BC6C024BE1A4AEE878D57BDC3B08" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LeaseholdImprovementsMember_1BD6AB5B57001EF630A278D57BDD44B7_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_1BD6AB5B57001EF630A278D57BDD44B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasehold improvements</link:label>
    <link:label id="lab_us-gaap_LeaseholdImprovementsMember_1BD6AB5B57001EF630A278D57BDD44B7_label_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_1BD6AB5B57001EF630A278D57BDD44B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements [Member]</link:label>
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    <link:label id="lab_gsat_ServicesIGOMember_0D237D7A6E35BA9FF6766A07341F60CD_documentation_en-US" xlink:label="lab_gsat_ServicesIGOMember_0D237D7A6E35BA9FF6766A07341F60CD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Services, IGO [Member]</link:label>
    <link:loc xlink:href="gsat-20190331.xsd#gsat_ServicesIGOMember" xlink:label="loc_gsat_ServicesIGOMember_0D237D7A6E35BA9FF6766A07341F60CD" xlink:type="locator" />
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    <link:label id="lab_gsat_ServicesOtherMember_CFD09D76C59EA944013769EF38C04D65_documentation_en-US" xlink:label="lab_gsat_ServicesOtherMember_CFD09D76C59EA944013769EF38C04D65" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Services, Other [Member]</link:label>
    <link:loc xlink:href="gsat-20190331.xsd#gsat_ServicesOtherMember" xlink:label="loc_gsat_ServicesOtherMember_CFD09D76C59EA944013769EF38C04D65" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProductMember_B6E30FD686937143A4D769EF38C0C3CF_verboseLabel_en-US" xlink:label="lab_us-gaap_ProductMember_B6E30FD686937143A4D769EF38C0C3CF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Subscriber Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductMember" xlink:label="loc_us-gaap_ProductMember_B6E30FD686937143A4D769EF38C0C3CF" xlink:type="locator" />
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    <link:label id="lab_gsat_ProductDuplexMember_33CBCFD3EBA4215B81C469EF38C0AE0D_terseLabel_en-US" xlink:label="lab_gsat_ProductDuplexMember_33CBCFD3EBA4215B81C469EF38C0AE0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subscriber Equipment, Duplex</link:label>
    <link:label id="lab_gsat_ProductDuplexMember_33CBCFD3EBA4215B81C469EF38C0AE0D_label_en-US" xlink:label="lab_gsat_ProductDuplexMember_33CBCFD3EBA4215B81C469EF38C0AE0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product, Duplex [Member]</link:label>
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    <link:loc xlink:href="gsat-20190331.xsd#gsat_ProductDuplexMember" xlink:label="loc_gsat_ProductDuplexMember_33CBCFD3EBA4215B81C469EF38C0AE0D" xlink:type="locator" />
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    <link:label id="lab_gsat_ProductSPOTMember_7F79806A227594E4529669EF38C175BE_terseLabel_en-US" xlink:label="lab_gsat_ProductSPOTMember_7F79806A227594E4529669EF38C175BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subscriber Equipment, SPOT</link:label>
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    <link:loc xlink:href="gsat-20190331.xsd#gsat_ProductSPOTMember" xlink:label="loc_gsat_ProductSPOTMember_7F79806A227594E4529669EF38C175BE" xlink:type="locator" />
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    <link:label id="lab_gsat_SubscriberEquipmentCommercialloTMember_940FA8452B3583E78BE469EF38C183F5_terseLabel_en-US" xlink:label="lab_gsat_SubscriberEquipmentCommercialloTMember_940FA8452B3583E78BE469EF38C183F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subscriber Equipment, Commercial loT</link:label>
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    <link:loc xlink:href="gsat-20190331.xsd#gsat_SubscriberEquipmentCommercialloTMember" xlink:label="loc_gsat_SubscriberEquipmentCommercialloTMember_940FA8452B3583E78BE469EF38C183F5" xlink:type="locator" />
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    <link:label id="lab_gsat_OtherCountriesMember_ED0B428E53C8936AEC7D69EF38C2C9B7_terseLabel_en-US" xlink:label="lab_gsat_OtherCountriesMember_ED0B428E53C8936AEC7D69EF38C2C9B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
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    <link:label id="lab_gsat_DebtInstrumentInterestBaseRate_4C9F1BAF4991902F3670FEAB66705FEE_documentation_en-US" xlink:label="lab_gsat_DebtInstrumentInterestBaseRate_4C9F1BAF4991902F3670FEAB66705FEE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Interest Base Rate</link:label>
    <link:loc xlink:href="gsat-20190331.xsd#gsat_DebtInstrumentInterestBaseRate" xlink:label="loc_gsat_DebtInstrumentInterestBaseRate_4C9F1BAF4991902F3670FEAB66705FEE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeAssetsCurrent_DF0464D0F483015240D7FEAB667192A8_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetsCurrent_DF0464D0F483015240D7FEAB667192A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative asset</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_0DDF4AF3F450E60ED0AF746CAA4FB7BA_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_0DDF4AF3F450E60ED0AF746CAA4FB7BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_E6512BC7F88561F572C5746CAA4F983D_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_E6512BC7F88561F572C5746CAA4F983D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows provided by (used in) operating activities:</link:label>
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    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_05FE10DD9B62909739BC746CAA4F6D45_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_05FE10DD9B62909739BC746CAA4F6D45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for bad debts</link:label>
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    <link:label id="lab_gsat_NonCashInterestExpenseCashFlow_0F016BAACC14CAEAAEE3746CAA53CA38_terseLabel_en-US" xlink:label="lab_gsat_NonCashInterestExpenseCashFlow_0F016BAACC14CAEAAEE3746CAA53CA38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncash interest and accretion expense</link:label>
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    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_413A943F038C0017EC3C746CAA536A13_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_413A943F038C0017EC3C746CAA536A13" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other, net</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_413A943F038C0017EC3C746CAA536A13_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_413A943F038C0017EC3C746CAA536A13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
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    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_A0218DFB72C23E714EDD746CAA573EC6_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_A0218DFB72C23E714EDD746CAA573EC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_A0218DFB72C23E714EDD746CAA573EC6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaidNet_CBB5E2AEF90EA7250992746CAA5787AB_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_CBB5E2AEF90EA7250992746CAA5787AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_CBB5E2AEF90EA7250992746CAA5787AB" xlink:type="locator" />
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