Spatial Reference Manual
Page 115 of 158
Version 4.4
04/06/2019
13.9.1
System State Packet
System State Packet
Packet ID
20
Length
100
Field
#
Bytes
Offset
Data
Type
Size
Description
1
0
u16
2
System status, see section 13.9.1.1
2
2
u16
2
Filter status, see section 13.9.1.2
3
4
u32
4
Unix time (seconds), see section 13.9.1.4
4
8
u32
4
Microseconds, see section 13.9.1.5
5
12
fp64
8
Latitude (rad)
6
20
fp64
8
Longitude (rad)
7
28
fp64
8
Height (m)
8
36
fp32
4
Velocity north (m/s)
9
40
fp32
4
Velocity east (m/s)
10
44
fp32
4
Velocity down (m/s)
11
48
fp32
4
Body acceleration X (m/s/s)
12
52
fp32
4
Body acceleration Y (m/s/s)
13
56
fp32
4
Body acceleration Z (m/s/s)
14
60
fp32
4
G force (g)
15
64
fp32
4
Roll (radians)
16
68
fp32
4
Pitch (radians)
17
72
fp32
4
Heading (radians)
18
76
fp32
4
Angular velocity X (rad/s)
19
80
fp32
4
Angular velocity Y (rad/s)
20
84
fp32
4
Angular velocity Z (rad/s)
21
88
fp32
4
Latitude standard deviation (m)
22
92
fp32
4
Longitude standard deviation (m)
23
96
fp32
4
Height standard deviation (m)
Table 39: System state packet
13.9.1.1
System Status
This field contains 16 bits that indicate problems with the system. These are boolean
fields with a zero indicating false and one indicating true.
Bit
Description
0
System Failure
