H
NovAtel Format Logs
92
GPS/GLONASS Receiver User Manual Rev 1
GCLB
Format:
Message ID = 88
Message byte count = 68
Field #
Data
Bytes
Format
Units
Offset
1
Sync
3
char
0
Checksum
1
char
3
Message Id
4
integer
4
Message byte count
4
integer
bytes
8
2
Week number
4
integer
weeks
12
3
Seconds of week
8
double
seconds
16
4
Leap seconds plus three hour Moscow time offset
4
integer
seconds
24
5
Fractional offset calculated by filter
8
double
meters
28
6
Variance of fractional offset
8
double
metres^2
36
7
Calendar day number within four year period beginning since the leap
year
4
integer
day
44
8
From GLONASS almanac - GLONASS time scale correction to
UTC(SU) given at beginning of day N
A
8
double
seconds
48
9
Number of GPS satellites
4
integer
56
10
Number of GLONASS satellites
4
integer
60
11
Status flags
4
integer
-
64
