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	<link:roleType roleURI="http://orbsat.com/role/Concentrations-ScheduleOfRevenueFromEachGeographicLocationDetails" id="Concentrations-ScheduleOfRevenueFromEachGeographicLocationDetails">
	  <link:definition>00000102 - Disclosure - Concentrations - Schedule of Revenue from Each Geographic Location (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 roleURI="http://orbsat.com/role/Concentrations-ScheduleOfRevenueFromEachGeographicLocationDetails10-k" id="Concentrations-ScheduleOfRevenueFromEachGeographicLocationDetails10-k">
	  <link:definition>00000103 - Disclosure - Concentrations - Schedule of Revenue from Each Geographic Location (Details) (10-K)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://orbsat.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
	  <link:definition>00000104 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://orbsat.com/role/SubsequentEventsDetailsNarrative10-k" id="SubsequentEventsDetailsNarrative10-k">
	  <link:definition>00000105 - Disclosure - Subsequent Events (Details Narrative) (10-K)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:linkbaseRef xlink:type="simple" xlink:href="osat-20200930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="osat-20200930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="osat-20200930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="osat-20200930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2020-01-31" schemaLocation="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd" />
    <import namespace="http://fasb.org/us-gaap/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd" />
    <import namespace="http://fasb.org/us-types/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2020-01-31" schemaLocation="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd" />
    <import namespace="http://xbrl.sec.gov/currency/2020-01-31" schemaLocation="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd" />
    <import namespace="http://fasb.org/srt/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd" />
    <import namespace="http://fasb.org/srt-types/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd" />
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    <element id="OSAT_EmploymentAgreementTermDescription" name="EmploymentAgreementTermDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsGrantsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsGrantsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExercisesInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExercisesInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsForfeituresInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsForfeituresInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExpirationsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExpirationsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsOutstandingWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsOutstandingWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsOutstandingWeightedAverageRemainingContractualTermEnding" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsOutstandingWeightedAverageRemainingContractualTermEnding" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_OutstandingSharesOfCommonStockPercentage" name="OutstandingSharesOfCommonStockPercentage" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SharesWithheldAsPayment" name="SharesWithheldAsPayment" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_RentalEquipment" name="RentalEquipment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_AppliquesGross" name="AppliquesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_NumberOfConvertingHoldersOfPreferredStock" name="NumberOfConvertingHoldersOfPreferredStock" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_IncreaseDecreaseInUnbilledRevenue" name="IncreaseDecreaseInUnbilledRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ForeignCurrencyTranslationRate" name="ForeignCurrencyTranslationRate" nillable="true" xbrli:periodType="duration" type="xbrli:pureItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CustomerDepositsPayableCurrent" name="CustomerDepositsPayableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_PremergerAccruedOtherLiabilitiesCurrent" name="PremergerAccruedOtherLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_BeneficialConversionFeatureOnConvertibleDebt" name="BeneficialConversionFeatureOnConvertibleDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SharebasedPaymentAwardReplacementRepurchasePrice" name="SharebasedPaymentAwardReplacementRepurchasePrice" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_OperatingLeaseExpensePerMonth" name="OperatingLeaseExpensePerMonth" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_LesseeOperatingLeaseRenewalDate" name="LesseeOperatingLeaseRenewalDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_OperatingLeaseWeightedAverageIncrementalRatePercent" name="OperatingLeaseWeightedAverageIncrementalRatePercent" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_NetLeaseRentalExpense" name="NetLeaseRentalExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_StrikePrice" name="StrikePrice" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_LineOfCreditTerm" name="LineOfCreditTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_PenaltyInterest" name="PenaltyInterest" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ForeignCurrencyTranslationRateAmount" name="ForeignCurrencyTranslationRateAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ConversionOfConvertibleDebtIntoCommonShares" name="ConversionOfConvertibleDebtIntoCommonShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_AmortizationOfRightToUse" name="AmortizationOfRightToUse" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_IncreaseDecreaseInLeaseLiabilities" name="IncreaseDecreaseInLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_StockSubscriptionPayable" name="StockSubscriptionPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_StockIssuedDuringPeriodSharesBeneficialConversionFeatureOfConvertibleSecurities" name="StockIssuedDuringPeriodSharesBeneficialConversionFeatureOfConvertibleSecurities" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_StockIssuedDuringPeriodSharesBeneficialConversionFeatureOfConvertibleSecuritiesValue" name="StockIssuedDuringPeriodSharesBeneficialConversionFeatureOfConvertibleSecuritiesValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ConvertibleDebtIssuedForServices" name="ConvertibleDebtIssuedForServices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_LongTermDebtIssuedInExchangeForPreferredStock" name="LongTermDebtIssuedInExchangeForPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_FiniteLivedIntangibleAssetsAmortizationExpenseFiveYearsAndAfterYearFive" name="FiniteLivedIntangibleAssetsAmortizationExpenseFiveYearsAndAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_WorkingCapitalDeficit" name="WorkingCapitalDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_StockIssuedDuringPeriodValueStockSplits" name="StockIssuedDuringPeriodValueStockSplits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_FairValueOfOptionsExercised" name="FairValueOfOptionsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_FairValueOfOptionsGranted" name="FairValueOfOptionsGranted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_LineOfCreditTextBlock" name="LineOfCreditTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_NoteExchangeAgreementTextBlock" name="NoteExchangeAgreementTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CoronavirusLoansTextBlock" name="CoronavirusLoansTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_DescriptionOfBusinessPollicyTextBlock" name="DescriptionOfBusinessPollicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_PrepaidExpensesPolicyTextBlock" name="PrepaidExpensesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_RelatedPartyTransactionsPolicyTextBlock" name="RelatedPartyTransactionsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ScheduleOfEstimatedUsefulLifeOfPropertyAndEquipmentTableTextBlock" name="ScheduleOfEstimatedUsefulLifeOfPropertyAndEquipmentTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ScheduleOfAdjustmentToNetIncomeLossAvailableToCommonStockholdersTableTextBlock" name="ScheduleOfAdjustmentToNetIncomeLossAvailableToCommonStockholdersTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ScheduleOfExchangeForConversionOfPreferredSharesForPromissoryNotesTableTextBlock" name="ScheduleOfExchangeForConversionOfPreferredSharesForPromissoryNotesTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ScheduleOfStockOptionCancelledTableTextBlock" name="ScheduleOfStockOptionCancelledTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm1" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm1" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CashCompensationPayablePerWeek" name="CashCompensationPayablePerWeek" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CashCompensationPayablePerMonth" name="CashCompensationPayablePerMonth" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_PrepaymentOfBalancesOfDebenturesPercentage" name="PrepaymentOfBalancesOfDebenturesPercentage" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ConsultingAgreementsExtendedPeriodDescription" name="ConsultingAgreementsExtendedPeriodDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_AdjustmentsToAdditionalPaidInCapitalFairValueOfOptionsGranted" name="AdjustmentsToAdditionalPaidInCapitalFairValueOfOptionsGranted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_AmortizationOfConvertibleDebtDiscount" name="AmortizationOfConvertibleDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SaleOfStockConsiderationReceivedPerTransactionOne" name="SaleOfStockConsiderationReceivedPerTransactionOne" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SaleOfStockNumberOfSharesIssuedInTransactionOne" name="SaleOfStockNumberOfSharesIssuedInTransactionOne" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ImputedInterestExpenseForRelatedPartyNotePayableIssuedForRecapitalization" name="ImputedInterestExpenseForRelatedPartyNotePayableIssuedForRecapitalization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_OrganizationAndDescriptionOfBusinessPolicyTextBlock" name="OrganizationAndDescriptionOfBusinessPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ScheduleOfConversionFeatureDerivativeLiability" name="ScheduleOfConversionFeatureDerivativeLiability" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_StockIssuedInConnectionWithFractionalSharesOfCommonStock" name="StockIssuedInConnectionWithFractionalSharesOfCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsGrantedWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsGrantedWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_EstimatedTaxLiability" name="EstimatedTaxLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_IncreaseDecreaseInNetOperatingLossCarryforward" name="IncreaseDecreaseInNetOperatingLossCarryforward" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_BeneficialOwnershipLimitationsPercentage" name="BeneficialOwnershipLimitationsPercentage" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_AppliquesMember" name="AppliquesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ConversionFeatureLiabilityMember" name="ConversionFeatureLiabilityMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_WarrantLiabilityMember" name="WarrantLiabilityMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SeriesEConvertiblePreferredStockMember" name="SeriesEConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_GlobalTelesatCommunicationsLimitedMember" name="GlobalTelesatCommunicationsLimitedMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="OSAT_VariousServiceProvidersConsultantsMember" name="VariousServiceProvidersConsultantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_HoldersMember" name="HoldersMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_PayrollProtectionProgramMember" name="PayrollProtectionProgramMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CoronavirusLoansMember" name="CoronavirusLoansMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_LendersMember" name="LendersMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ConvertiblePromissoryNoteMember" name="ConvertiblePromissoryNoteMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CEOMember" name="CEOMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_TwoThousandAndTwentyIncentivePlanMember" name="TwoThousandAndTwentyIncentivePlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_DavidPhippsCEOMember" name="DavidPhippsCEOMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_OfficersAndDirectorsMember" name="OfficersAndDirectorsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_FirstRepaymentMember" name="FirstRepaymentMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ThomasSeifertMember" name="ThomasSeifertMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CashPaidDuringPeriodAbstract" name="CashPaidDuringPeriodAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_CoronavirusLoansAbstract" name="CoronavirusLoansAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_StockholdersEquityScheduleOfOutstandingStockOptionsActivitiesDetailsAbstract" name="StockholdersEquityScheduleOfOutstandingStockOptionsActivitiesDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_SecuritiesOffering" name="SecuritiesOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="OSAT_ImpairmentLossesForRightOfUseAssets" name="ImpairmentLossesForRightOfUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
