Ranging Uplink pseudo-random code is detected and retransmitted on the downlink Turnaround time provides range Ground antenna azimuth and elevation determines satellite angular location October 29. 2003 Massachusetts Institute of TechnologyRanging • Uplink pseudo-random code is detected and retransmitted on the downlink • Turnaround time provides range • Ground antenna azimuth and elevation determines satellite angular location October 29, 2003 Massachusetts Institute of Technology 6