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gptkb:Hongyan_communication_satellites
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network of ground stations
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gptkb:Globalstar_satellites
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Globalstar ground stations
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gptkb:GPS_IIF_satellites
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various locations
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gptkb:Dove_satellites
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Planet's ground stations
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gptkb:GPS_Block_II_satellites
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operated by USAF
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gptkb:Sky_Sat_satellites
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Planet's ground stations
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gptkb:Orbcomm_satellites
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Orbcomm ground stations
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gptkb:GPS_Block_IIR
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gptkb:GPS_Master_Control_Station
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gptkb:GPS_Block_IIF_satellites
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GPS ground stations
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gptkb:Iridium_Satellites
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gateway station
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