RF safety precautions—Continued warning signs, 2-30 working aloft chits, 2-31 S SATCAT, 2-14 SATCOM  antennas,  2-1 AS-29151SSR-1,  2-2 DAMA, 2-6 frequency division multiple access (FDMA), 2-7 FLTSATCOM, 2-4 GAPFILLER,  2-4 LEASAT,  2-5 low speed time division multiplexer (LSTDMs), 2-6 OE-83C/WSC-l(V)  group,  2-1 phase shift keying (PSK), 2-7 PHASE IV, 2-6 pointing guide, 2-3 time division multiple access (TDMA), 2-7 types, 2-3 SATCOM system, 2-7 Fleet Broadcast System, 2-9 Fleet Satellite Communications, 2-11 high power amplifier (HPA), 2-8 low noise amplifier (LNA), 2-8 low probability of intercept (LPI), 2-8 medium power amplifier (MPA), 2-8 Secure voice worldwide voice network, 1-13 net membership, 1-13 satellite system control, 1-13 system control, 1-13 Ship-shore circuits, 1-10 duplex, 1-10 full duplex (FDX), 1-11 half duplex (HDX), 1-11 methods, 1-10 Ship-shore circuits—Continued semiduplex, 1-12 simplex,  1-11 Single-sideband,   1-8 Special circuits, 2-14 AUTOCAT,  2-14 MIDDLEMAN,  2-14 SATCAT, 2-14 SSIXS, 2-12 Status  board,  1-15 Super-high frequency systems, 1-6 SWR,  2-16 T TACINTEL,  1-14,2-13 TADIXS, 2-12 TDMA, 2-7 U Ultra-high frequency systems, 1-5 Ultra-high frequency receive system, 1-6 antenna,  1-6 AM-3729 speaker amplifier, 1-6 AN/SRA-33 antenna coupler, 1-6 AN/WSC-3 receiver, 1-6 C-1138 radio set control (nonsecure), 1-6 handset 1-6 SB-973/SRR receiver transfer switchboard, 1-6 secure remote phone unit, 1-6 secure voice equipment, 1-6 secure voice matrix, 1-6 speaker,  1-6 Ultra-high frequency transmit system, 1-5 antenna,  1-5 AN/SRA-33 antenna coupler, 1-5 AN/WSC-3 transmitter, 1-5 C-1138 radio set control, 1-5 INDEX-4