8 – 33
8.5
Talker Identifier Mnemonics
Talker device Identifier
Autopilot: general AG
magnetic AP
Communication: digital selective calling (DSC) CD
data receiver CR
satelite CS
radio-telephone (MF/HF) CT
radio-telephone (VHF) CV
scanning receiver CX
DECCA navigator DE
Direction finder DF
Electronic chart display and information system (ECDIS) EC
Emergency position indicating radio beacon (EPIRB) EP
Engine room monitoring systems ER
Global positioning system (GPS) GP
Heading sensor:
compass, magnetic HC
gyro, north seeking HE
gyro, non-north seeking HN
Integrated instrumentation II
Integrated navigation IN
LORAN: LORAN-A LA
LORAN-C LC
OMEGA navigation system OM
Proprietary code P
Radar and/or ATA RA
Sounder, depth SD
Electronic positioning system, other/general SN
Sounder, scanning SS
Turn rate indicator TI
TRANSIT navigation system TR
Velocity sensor: Doppler, other/general VD
speed log, water, magnetic VM
speed log, water, mechanical VW
Transducer YX
Timekeepers, time/date: atomic clock ZA
chronometer ZC
quarts ZQ
radio update ZV
Weather instruments WI