System can transmit range-indicating pseudonoise (PN) codes and simultaneously transmit auxiliary information as binary data at a rate at least on order of pseudonoise chipping rate. PN code is modulated by data stream with relatively low bit rate. Data stream with high bit rate can be transmitted in same frequency band as PN ranging code.
PN ranging/telemetry transmission
NASA Tech Briefs ; 1 , 3
01.01.1977
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Englisch
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