3.2 km/hr (2 mph) Loaded 1.6 km/hr (1 mph) LAUNCH PAD SERVICING .................. 6-28.

SATELLITE TDRSS TRACKING AND DATA SERVICES Br SS SS System and frequency Data services High data rate at 8:1) 1 PCM telemetry dump at 192 kbps: 2 voice at 24 kbps 1 telemetry at 64 kbps Ranging: tumed-around composite signal on 1.7 MHz subcarrier Mode 1 (PM): 192 kbps of real-time operations, a simulation.