Raw Satellite Ephemeris Packet
10
38
fp64
8
Satellite velocity X (m/s)
11
46
fp64
8
Satellite velocity Y (m/s)
12
54
fp64
8
Satellite velocity Z (m/s)
13
62
fp64
8
Satellite acceleration X (m/s/s)
14
70
fp64
8
Satellite acceleration Y (m/s/s)
15
78
fp64
8
Satellite acceleration Z (m/s/s)
16
86
u32
4
Message frame start time (s)
17
90
u8
1
Age of operational information [E] (days)
18
91
s8
1
Frequency slot number
19
92
u8
1
Satellite Health
20
93
u8
1
Reserved
Table 103: Raw Satellite Ephemeris Packet
11.4.38.1 GPS Flags
Bit
Description
0
Data flag for L2 P-code
1-2
Codes on L2 channel
3
Anti-spoof flag
4-9
Satellite health
10
Fit interval flag
11
URA bad
12-14
Satellite block type
Table 104: GPS Flags
11.4.39 External Odometer Packet
External Odometer Packet
Packet ID
67
Length
13
Read / Write
Write
Field #
Bytes Offset
Data Type
Size
Description
1
0
fp32
4
Estimated delay (s)
2
4
fp32
4
Speed (m/s)
3
8
fp32
4
Reserved (set to zero)
4
12
u8
1
Odometer flags
Table 105: External Odometer Packet
v1.2
Page 144
11 Oct 2022
Boreas Reference Manual • Advanced Navigation Packet Protocol