SPST
Single Pole Single Trigger
STS
System Tools Suite
SW
Software
TB
Terminal Block
TCP
Transmission Control Protocol
TDPSK
Trunked Differential Phase Shift Keying
TX
Transmit
UDF
Underflow
UDP
User Datagram Protocol
UHF
Ultra High Frequency
USB
Universal Serial Bus
VHF
Very High Frequency
WAN
Wide Area Network
WB
Wire Break
viii
Glossary