NorthStar MX500 Operator's & Installation Manual page 269

Glossary
P
olled Mode
POSITION UPDATE
PRN
PROCESSOR
PROMPT
PSEUDORANDOM NUMBER (PRN)
PSEUDO-RANGE
PSP
PULSE SPEED SENSOR
RANGE RESIDUAL
Version 3.0
A transponder is in a polled mode during a request-response
session only. Distinguish this from a station, which is polled into
certain slots. This station is first polled and then enters assigned
mode.
The redefining of position by analysis of satellite orbital data as
referenced to time.
See PSEUDORANDOM NUMBER.
The processor circuit card in the console that controls system op-
erations and computes the positioning/ navigation solutions.
A message on the display instructing the operator to make a key-
board entry.
The identification number of a GPS satellite.
Range that includes errors due to clock offset.
Presentation System Port – A communication port on the AIS
transponder used as an interface to external systems, i.e. the
MX420.
Speed log whose speed output signal is defined by a pulse rate
output.
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.
Operator's Manual
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