INS401 User’s Manual
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Doc# 7430-3305-08
Page 18
Output Binary Packets
Three types of output data binary packets are defined – GNSS solution, INS solution and
diagnostic message.
GNSS Solution Packet
Table 3 GNSS Solution Packet
Message
GNSS positioning solution data, periodic output at 1 Hz
Message ID
0x0a02
Length
77
Payload Description
:
Byte
Offset
Type
Name
Unit
Description
0
uint16
gps_week
GPS time:
GPS week and seconds in week
2
uint32 gps_millisecs
ms
6
uint8
position_type
0: INVALID
1: Single-point positioning (SPP)
2: Real time differential GNSS (RTD)
4: Real time kinematic (RTK), ambiguity fixed
(RTK_FIXED)
5: RTK with ambiguity float (RTK_FLOAT)
7
double latitude
deg
Geodetic latitude
15
double longitude
deg
Geodetic longitude
23
double height
m
Height above ellipsoid
31
float
latitude_std
m
Latitudinal position accuracy
35
float
longitude_std
m
Longitudinal position accuracy
39
float
height_std
m
Vertical position accuracy
43
uint8
numberOfSVs
Number of satellites
44
uint8
numberOfSVs_in_solution
Number of satellites in solution
45
float
hdop
Horizontal Dilution of Precision
49
float
diffage
s
Age of differential GNSS correction
53
float
north_vel
m/s
North velocity
57
float
east_vel
m/s
East velocity
61
float
up_vel
m/s
Up velocity
65
float
north_vel_std
m/s
North velocity accuracy
69
float
east_vel_std
m/s
East velocity accuracy
73
float
up_vel_std
m/s
Up velocity accuracy
INS navigation solution
Table 4 INS Solution Packet
Message
INS navigation solution, periodic output at 100 Hz
Message ID
0x0a03
Length
108
Payload Description
:
Byte
Offset
Type
Name
Unit
Description