Novatel MiLLennium OM-20000040 User Manual page 89

CALB
Format:
Field #
1 Sync
Checksum
Message Id
Message byte count
2 Week number
3 Seconds of week
4 Reserved for future use
5 Reserved for future use
6 GloBias (*32)
dBias
dStdev
H.1.2 GALA/B ALMANAC INFORMATION
The GLONASS almanac reference time and week are in GPS time coordinates. GLONASS ephemeris information
is available through the GEPA/B log.
GALA
Structure:
$GALA week
LambadN deltal
Field # Field
1 $GALA
2 Week
3 Seconds
4 Week
5 Time
6 SVID
7 Freq
8 Health
9 TlambdaN
10 LambdaN
11 Deltal
12 Ecc
13 ArgPerig
14 DeltaT
15 DeltaTD
16 Tau
Example:
$GALA,991,496470.59,991,374232.88,16,22,1,3.94199E+004,-9.2257260E-001
3.02841363E-002,1.49440765E-003,1.04694189E-001,-2.6561113E+003,
3.66210937E-004,-2.0217896E-004*38
GPS/GLONASS Receiver User Manual Rev 1
Message ID = 87
Data
seconds week
ecc argperig
Log Header
GPS Week, in weeks
GPS Time, in seconds
GPS Week for almanac reference time (GLONASS time in GPS format), in
weeks
GPS Time for almanac reference time (GLONASS time in GPS format), in
seconds
Slot number for satellite, ordinal
Frequency for satellite, ordinal
Ephemeris Health (1 = GOOD, 0 = BAD)
GLONASS Time of ascending node equator crossing, in seconds
Longitude of ascending node equator crossing (PZ90), in radians
Correction to nominal inclination, in radians
Eccentricity
Argument of perigee (PZ90), in radians
Offset to nominal orbital period, in seconds
Rate of orbital period, in seconds per orbital period
Clock offset, in seconds
Message byte count = 32 + (16 * 32)
Bytes Format
3 char
1 char
4 integer
4 integer
4 integer
8 double
8 double
8 double
time SVID
deltaT deltaTD
Description
H NovAtel Format Logs
Units Offset
0
3
4
bytes 8
weeks 12
seconds 16
32
meters
meters
freq health TlambdaN
tau *xx [CR][LF]
Example
$GALA
991
496470.59
991
374232.88
16
22
1
3.94199E+004
-9.2257260E-001
3.02841363E-002
1.49440765E-003
1.04694189E-001
-2.6561113E+003
3.66210937E-004
-2.0217896E-004*38
89