GSOF message: IonoGuard Info

Applicable receivers:  All receivers

This message contains the IonoGuard metric computed for the station and each satellite. It contains the following data:

  • Source of IonoGuard metric

  • Station IonoGuard metric

  • Satellites IonoGuard metric

IonoGuard Info (Type 92 record)

Field

Item

Type

Value

Meaning

0

Output record type

Char

5C

IonoGuard status

1

Record length

Char

 

Bytes in record

2 to 3

GPS week number

Short

 

GPS week number

4 to 7

GPS time

Long

 

GPS time (milliseconds)

8

IonoGuard source

Char

 

Source of IonoGuard data:

0: Unknown - Not set
1: Broadcast from RTK base station
2: Computed at the rover from base observation
3: Broadcast from RTX/PP
255: Invalid

9

IonoGuard Geofence status

Char

 

IonoGuard Geofence status:

0: Inside Iono Geofence
1: Outside Iono Geofence
255: Unknown, the Geofence status does not affect IonoGuard (i.e.: when IonoGuard corrections are sent from a Trimble base station)

10

Station IonoGuard activity level

Char

 

Station IonoGuard activity level:

0: Green (no or negligible activity)
1: Yellow
2: Orange
3: Red (high activity)

11

Number of satellites in this message

Char

 

 

The following fields are repeated for each satellite up to the number of satellites:

 

Satellite type

Char

 

The system that the satellite belongs to. Valid values are:

0: GPS
1: SBAS
2: GLONASS
3: Galileo
4: QZSS
5: BeiDou
6: NavIC

 

Satellite PRN

Char

 

The PRN number of the satellite or channel for GLONASS

 

Satellite IonoGuard metric

Char

 

SV IONO activity level:

0: Green (no or negligible activity)
1: Yellow
2: Orange
3: Red (high activity)