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11.4.1.2 Filter Status
This field contains 16 bits that indicate the status of the filters. These are boolean fields with a zero indicating
false and one indicating true.
Bit
Description
0
Orientation Filter Initialised
1
Navigation Filter Initialised
2
Heading Initialised
3
UTC Time Initialised
4
5
6
7
Event 1 Occurred
8
Event 2 Occurred
9
Internal GNSS Enabled
10
Dual Antenna Heading Active
11
Velocity Heading Enabled
12
Atmospheric Altitude Enabled
13
External Position Active
14
External Velocity Active
15
External Heading Active
Table 61: Filter Status
11.4.1.3 GNSS Fix Status
Value
Bit 6
Bit 5
Bit 4
Description
0
0
0
0
No GNSS fix
1
0
0
1
2D GNSS fix
2
0
1
0
3D GNSS fix
3
0
1
1
SBAS GNSS fix
4
1
0
0
Differential GNSS fix
5
1
0
1
Omnistar/Starfire GNSS fix
6
1
1
0
RTK Float GNSS fix
7
1
1
1
RTK Fixed GNSS fix
Table 62: GNSS Fix Status
11.4.1.4 Unix Time Seconds
This field provides UTC time in seconds since January 1, 1970, including leap seconds.
v1.2
Page 124
11 Oct 2022
Boreas Reference Manual • Advanced Navigation Packet Protocol