GSOF message: INS RMS

Applicable receivers:  All receivers

This message provides information relating to INS RMS (only for INS systems).

INS Full Navigation (Type 50 record)

Field

Item

Type

Value

Meaning

0

Output record type

Byte

32h

 

1

Record length

Byte

2Ch

Bytes in record

2–3

GPS week number

int

 

GPS week number

4–7

GPS time

int

 

GPS time (milliseconds)

8

IMU alignment status

Byte

 

IMU alignment status

9

GPS quality indicator

Byte

 

GPS quality indicator

10–13

North position RMS

Float

 

North position RMS (m)

14–17

East position RMS

Float

 

East position RMS (m)

18–21

Down position RMS

Float

 

Down position RMS (m)

22–25

North velocity RMS

Float

 

North velocity RMS (m/s)

26–29

East velocity RMS

Float

 

East velocity RMS (m/s)

30–33

Down velocity RMS

Float

 

Down velocity RMS (ms)

34–37

Roll RMS

Float

 

Roll RMS (degrees)

38–41

Pitch RMS

Float

 

Pitch RMS (degrees)

42–45

Heading RMS

Float

 

Heading RMS (degrees)

IMU Alignment Status

This provides the status of the INS solution.

Value

Meaning

0

GPS only

1

Coarse leveling

2

Degraded solution

3

Aligned

4

Full Navigation mode

GPS Quality Indicator

This provides a quality indicator that maps the internal rover fix to GPS quality (same as the NMEA GGA message).

Bit

Meaning

0

Fix not available or invalid

1

GPS SPS mode, fix valid

2

Differential GPS, SPS mode, fix valid

3

GPS PPS Mode, fix valid

4

Real Time Kinematic. System used in RTK mode with fixed integers

5

Float RTK. Satellite system used in RTK mode, floating integers

6

Estimated (dead reckoning) mode

7

Manual input mode