6 the TRAC(E) receiving system provides for recovery of the telemetry subcarrier spectrum, doppler information, and also generates error signals for a closed- loop ... This is one of the reasons previously given for the use of subcarriers in both the telemetry and command systems. ... Spacecraft Referring again to the functional block diagram of the spacecraft portion of the communication system ( Fig.
|Title||:||Technical Report - Jet Propulsion Laboratory, California Institute of Technology|
|Author||:||Jet Propulsion Laboratory (U.S.)|