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Version 1.5
Operation & Installation Manual
Glossary
PLANE PROJECTION
The technique of converting the curved surface of the Earth to a
flat surface to represent a map.
POSITION UPDATE
The redefining of position by analysis of satellite orbital data as
referenced to time.
PRN
See PSEUDO-RANDOM NUMBER.
PROCESSOR
The processor circuit card in the console that controls system op-
erations and computes the positioning/ avigation solutions.
PROMPT
A message on the display instructing the operator to make a key-
board entry.
PSEUDO-RANDOM NUMBER (PRN)
The identification number of a GPS satellite.
PSEUDO-RANGE
Range that includes errors due to clock offset.
PULSE SPEED SENSOR
Speed log whose speed output signal is defined by a pulse rate
output.
R
ANGE RESIDUAL
The difference between the expected satellite range and the mea-
sured satellite range for the last measurement taken from each sat-
ellite in the constellation.
REFERENCE COMPASS
The compass against which the steering compass (see STEERING
COMPASS) may be calibrated.
REFERENCE ELLIPSOID
A mathematical description of the Earth’s ellipsoidal shape (see
ELLIPSOID), which is the reference frame for positioning compu-
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Summary of Contents for apMK12
Page 1: ...Operation Installation Manual apMK12 Navigation System 8 13 01 11 42 AM 1...
Page 13: ...viii Version 1 5 Operation Installation Manual Table of Contents 8 13 01 11 12 AM 8...
Page 19: ...6 Version 1 5 Operation Installation Manual DGPS 8 13 01 11 30 AM 6...
Page 93: ...80 Version 1 5 Operation Installation Manual Man Over Board 8 13 01 11 31 AM 80...
Page 195: ...182 Version 1 5 Installation Manual Appendix G Technical Specifications 8 13 01 11 08 AM 182...