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APPENDIX
AP-14
Term Meaning Term Meaning
RAM Random Access Memory SOG Speed Over Ground
ROM Read Only Memory STW Speed Through the
Water
ROT Rate of Turn SV Satellite
RX Receive T True
S South TEST Test
SAT Satellite THD Transmitting Heading
Device
SC Satellite Compass TIME Time
SEC second TX Transmit
SET Set UTC Universal Time,
Coordinated
SEP September VER Version
SIG Signal W West
SIM Simulation WAAS Wide Area Augmentation
System
SNR Signal To Noise Ratio WGS World Geodetic System
Units of measurement
Unit Meaning
° degree
°/min degree/minute
dB decibel
kHz kiloHertz
km kilometer
kn knot
m meter
min or ‘ minute(s)
m/s meter/second
ms millisecond
NM Nautical Mile
p/NM Pulse/Nautical Mile
s second(s)
Symbols
Symbol Meaning
Heading Calculation Status, acquiring satellite. See section 2.4.1.
Heading Calculation Status, calculating heading. See section 2.4.1.
Heading Calculation Status, final calculations. See section 2.4.1.
Display last-used heading data at power on or not. See section 2.11.
Simulated operation. See section 2.9.5.
Heading fed from external equipment. See section 2.14.