u-blox ZED-F9P Interface Description - Manual
Advance Information
4.2.2 GBQ
4.2.2.1 Poll a standard message (if the current Talker ID is GB)
Message
GBQ
Description
Poll a standard message (if the current Talker ID is GB)
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Input Message
Comment
Polls a standard NMEA message if the current Talker ID is GB
ID for CFG-MSG Number of fields
Message Info
0xF0 0x44 4
Message Structure:
$xxGBQ,msgId*cs<CR><LF>
Example:
$EIGBQ,RMC*28
Field
No.
Name Unit Format Example Description
0 xxGBQ - string $EIGBQ GBQ Message ID (xx = Talker ID of the device
requesting the poll)
1 msgId - string RMC Message ID of the message to be polled
2 cs - hexadecimal *28 Checksum
3 <CR><LF> - character - Carriage return and line feed
4.2.3 GBS
4.2.3.1 GNSS Satellite Fault Detection
Message
GBS
Description
GNSS Satellite Fault Detection
Firmware
Supported on:
• u-blox 9 with protocol version 27
Type
Output Message
Comment
This message outputs the results of the Receiver Autonomous Integrity Monitoring
Algorithm (RAIM).
• The fields errLat, errLon and errAlt output the standard deviation of the position
calculation, using all satellites which pass the RAIM test successfully.
• The fields errLat, errLon and errAlt are only output if the RAIM process passed
successfully (i.e. no or successful edits happened). These fields are never output if 4 or
fewer satellites are used for the navigation calculation (because, in such cases, integrity
can not be determined by the receiver autonomously).
• The fields prob, bias and stdev are only output if at least one satellite failed in the
RAIM test. If more than one satellites fail the RAIM test, only the information for the
worst satellite is output in this message.
ID for CFG-MSG Number of fields
Message Info
0xF0 0x09 13
Message Structure:
$xxGBS,time,errLat,errLon,errAlt,svid,prob,bias,stddev,systemId,signalId*cs<CR><LF>
UBX-18010854 - R04 Advance Information Page 13 of 259
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