APPENDIX 2 LIST OF TERMS/SYMBOLS
AP-7
NTP Network Time Protocol
NU North Up
OCT October
OFFSET Offset
ON On
OS Own Ship
OUT Out/Output
PDOP Positional Dilution Of Precision
POSN Position
PRN Pseudo-Random-Noise
PWR Power
QZSS Quasi-Zenith Satellite System
RAIM Receiver Autonomous Integrity Monitoring
REF Reference
RL Rhumb Line
RLD Rhumb Line Distance
RM Relative Motion
RMS Root Mean Square
RNG Range
ROT Rate Of Turn
ROUTE Route
Rx, RX Receive
S South
SAT Satellite
SBAS Satellite Base Argument System
SEL Select
SEP September
SET Set (i.e., set and drift, or setting a value)
SIM Simulation
SNR Signal to Noise Ratio
SOG Speed Over the Ground
SPD Speed
SST Sea Surface Temperature
STN Station
STW Speed Through the Water
SV Space Vehicle
SYM Symbol(s)
TTrue
TCPA Time to CPA
TIME Ship’s Time, Time
TM True Motion
TOA Time Of Arrival
TOD Time Of Departure
TTG Time To Go
UTC Coordinated Universal Time, Universal Time Coordinated
VAR Variation
VECT Vector
VTD Velocity to Destination
WWest
Terms Meaning