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NMEA PUBX,04 message

Popular NMEA messages

Poll a PUBX,04 message

Message NMEA-PUBX-TIME
Poll a PUBX,04 message
Type Poll request
Comment A PUBX,04 message is polled by sending the PUBX,04 message without any data fields.
Information Number of fields: 4
Structure $PUBX,04*37\r\n
Example $PUBX,04*37\r\n
Payload (Poll Request)
Field Name Format Unit Example Description
0 PUBX string - $PUBX Message ID, UBX protocol header, proprietary sentence
1 msgId numeric - 04 Set to 04 to poll a PUBX,04 message
2 cs hexadecimal - *37 Checksum
3 CRLF character - - Carriage return and line feed



Time of day and clock information (PUBX,04)

Message NMEA-PUBX-TIME
Time of day and clock information
Type Output
Comment -
Information Number of fields: 12
Structure $PUBX,04,time,date,utcTow,utcWk,leapSec,clkBias,clkDrift,tpGran,*cs\r\n
Example $PUBX,04,073731.00,091202,113851.00,1196,15D,193003, -2660.664,43,*3C\r\n
Payload (Output Data)
Field Name Format Unit Example Description
0 PUBX string - $PUBX Message ID, UBX protocol header, proprietary sentence
1 msgId numeric - 04 Proprietary message identifier: 04
2 time hhmmss.ss - 073731.00 UTC time. See section UTC representation in the integration manual for details.
3 date ddmmyy - 091202 UTC date, day, month, year. See section UTC representation in the integration manual for details.
4 utcTow numeric s 113851.00 UTC time of week
5 utcWk numeric - 1196 UTC week number, continues beyond 1023
6 leapSec numeric/text s 15D Leap seconds (not supported for protocol versions less than 13.01)
The number is marked with a D if the value is the firmware default value. If the value is not marked it has been received from a satellite.
7 clkBias numeric ns 193003 Receiver clock bias
8 clkDrift numeric ns/s -2660.664 Receiver clock drift
9 tpGran numeric ns 43 Time pulse granularity, the quantization error of the TIMEPULSE pin
10 cs hexadecimal - *3C Checksum
11 CRLF character - - Carriage return and line feed
Based on NMEA documentation provided by u-blox.

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