NavCom RT-3010 Rev.E User Manual
Page 55
RT-3010 User Guide - Rev. E
meteorological (.YYm) files one of the three file types 
that make up the 
RINEX
file format. Where YY indicates
the last two digits of the year the data was collected. A 
meteorological file contains atmospheric information. 
 
MSL see 
Mean sea level
 
multipath error a positioning error resulting from 
interference between radio waves that has traveled 
between the transmitter and the receiver by two paths 
of different electrical lengths. 
 
navigation (.YYn) files one of the three file types that 
make up the 
RINEX
file format. Where YY indicates the
last two digits of the year the data was collected. A 
navigation file contains satellite 
position
and time
information. 
 
observation (.YYo) files one of the three file types that 
make up the 
RINEX
file format. Where YY indicates the
last two digits of the year the data was collected. An 
observation file contains raw 
GPS
position
information.
 
P/N Part Number. 
 
P-code the extremely long pseudo-random code 
generated by a 
GPS
satellite. It is intended for use only
by the U.S. military, so it can be encrypted to Y-code 
deny unauthorized users access. 
 
parity a method of detecting communication errors by 
adding an extra parity bit to a group of bits. The parity 
bit can be a 0 or 1 value so that every byte will add up 
to an odd or even number (depending on whether odd 
or even parity is chosen). 
 
PDA Personal Digital Assistant. 
PDOP see
Position
Dilution of Precision
.
Glossary-53