5
BARRETT PRC-4090 TACTICAL HF SDR TRANSCEIVER - INTRODUCTION
Term /
Abbreviation
Definition
PTT
Push to talk
Receive Only
Channel
A channel that receives calls but does not transmit calls.
Revertive Tone /
Signal
An acknowledgment signal automatically transmitted
from a station receiving a Selcall.
RF
Radio Frequency
RFDS
Royal Flying Doctor Service
Scan Table
A list of channels used when scanning for incoming
calls.
Selcall
Selective Calls
SCF
Suppressed Carrier Frequency
SDR
Software Defined Radio
SDS
System Docking Station
SSL
Signal Strength Level
Station ID
The ID of the station being called (the receiving station’s
Self ID).
Self ID
The programmed address identification number of a local
station. (Used by other stations to call you.)
SMS
Short Message Service
SSB
Single Sideband (a transmission format)
Telcall
Telephone call using the Selective Call protocol.
USB
Upper Sideband
VSWR
Voltage Standing Wave Ratio