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MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2 281
N
Narrow Correlator tracking technology, 68, 79
navigation
2D
, 274
accuracy, 54
calculations, 128
data, 169
ephemeris, 269
fix velocity, 101
illustration, 177
information, 168
message, 57, 60
overview, 63
parameters, 175, 177
path, 128
progress, 128, 175
RINEX, 114, 204
satellite system, 275
satellites, 165
set, 128
standards, 48, 206
NAVSTAR satellites, 63, 270, 276
NMEA standard format, 14, 35, 38, 239
noise
antenna
, 83
carrier smoothing, 90
carrier-phase, 74
clock offset, 151
interference, 68
multipath, 79
number, 276
oscillators, 96–97
reduction, 68
RTK, 237
statistics, 39, 166
thermal, 195
non-printable characters, 124
non-volatile memory (NVM), 25, 32, 58, 103, 199–
200, 271
note, 15, 18, 22, 25, 32–34, 52
NovAtel Inc., 10
NVM, see non-volatile memory
O
offset
antenna
, 73
clock, 68, 96, 100, 149, 155
Doppler, 84
L1, 127
log, 107
parameters, 15, 35
pseudorange, 73
time, 39
track, 128
operation, quick start, 13
orbit period, 63
oscillators, 13, 34, 69, 85, 96–98, 149, 276
output pulse, 102
P
P code, 267
pass-through logs, 43–45, 81, 110, 154
PDOP, see dilution of precision (DOP)
phase lock
, 76, 84, 196
pitch, 77
polarity, 75
poor reception, 77
ports
COM
, 32, 34, 47–48, 52, 81, 86, 107, 123, 200
communication, 48, 52–53, 123
position
averaging
, 111
constraints, 133
fix, 162–163
satellite, 226
status, 23
time matched, 207
type, 145
unfix, 133
processing
channel range measurements
, 195
channels, 272
Doppler aiding, 269
equipment, 64
extra, 51
modes, 81
post-mission, 67
priority, 200
real-time, 65, 67
synchronized data, 157
propagation
delays
, 69
multipath, 77, 80
paths, 75
pseudorange, 272
carrier smoothing, 90
differential corrections, 23, 51, 54, 181, 232
errors, 66, 69, 195
fix height, 99
fix position, 100
jump, 199
L1 offset, 127
measurements, 57, 60, 73
message formats, 56
multipath, 73, 76
Narrow Correlator tracking technology, 79
noise statistics, 166
positioning, 67
solution, 37
pulse, 275–276
length of, 34
mark input, 173–174
time of, 220