NASA Sounding Rocket Program Handbook. - NASA Visitor Center ...

810-HB-SRP
5.9 TRANSMITTERS 49
5.10 COMMAND SYSTEMS 49
5.11 TELEMETRY ANTENNAS 50
5.12 INSTRUMENTATION AND EXPERIMENT POWER SUPPLY 50
5.12.1 SILVER ZINC CELLS 51
5.12.2 NICKEL CADMIUM 51
5.12.3 VOLTAGE OUTPUT 51
5.12.4 HEATERS 52
5.12.5 SWITCHING 52
5.12.6 PYROTECHNIC POWER SUPPLY 52
5.13 IN-FLIGHT EVENT TIMING SYSTEMS 52
5.13.1 MECHANICAL TIMERS 52
5.13.2 ELECTROMECHANICAL & ELECTRONIC TIMERS 53
5.13.3 BAROMETRIC SWITCHES 54
5.14 TRACKING SYSTEMS 54
5.14.1 RADAR TRANSPONDERS 54
5.14.2 DOPPLER RANGING 55
5.14.3 GLOBAL POSITIONING SYSTEM (GPS) 55
5.14.4 MAGNETIC CALIBRATION FACILITY 56
5.15 MECHANICAL SYSTEMS AND MECHANISMS 57
5.15.1 NOSE CONES 57
5.15.2 STRUCTURES AND SKINS 57
5.15.3 VACUUM DOORS 57
5.15.4 DEPLOYMENT MECHANISMS 57
5.15.5 VACUUM/WATER SEALING 57
5.15.6 DESPIN SYSTEMS 57
5.16 RECOVERY SYSTEMS 58
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