GNSS Compass Reference Manual
Page 69 of 85
Version 1.1
13/01/2021
Geoid Height Packet
Packet ID
54
Length
4
Field #
Bytes
Offset
Data
Type
Size
Description
1
0
fp32
4
Geoid height (m)
Table 77: Geoid height packet
10.10.34
RTCM Corrections Packet
This packet is used to encapsulate RTCM v2, RTCM v3 or CMR correction data to be sent to
GNSS Compass's internal GNSS receiver for differential or RTK GNSS functionality.
RTCM Corrections Packet
Packet ID
55
Length
Variable, up to 255 bytes
Field #
Bytes
Offset
Data
Type
Size
Description
1
0
RTCM corrections data
Table 78: RTCM corrections packet
10.10.35
Heave Packet
Heave Packet
Packet ID
58
Length
16
Field #
Bytes
Offset
Data
Type
Size
Description
1
0
fp32
4
Heave point 1 (m)
2
4
fp32
4
Heave point 2 (m)
3
8
fp32
4
Heave point 3 (m)
4
12
fp32
4
Heave point 4 (m)
Table 79: Heave packet