SRTM Flight Electronics installed on the Shuttle pallet:

SRTM instrument electronics  installed on the shuttle pallet for tests in the 
Kennedy Space Center Space Station Processing Facility (SSPF) High Bay (4/13/99).  
The instrument electronics include:  RF transmit/receive, control/timing/telemetry, 
data handling, mast power and motor control, power distribution and X-SAR antenna
deploy/stow control.  The SRTM antenna structure will be mounted to this pallet and 
the whole assembly will then be installed in the Space Shuttle Endeavour.