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NMEA Message filtering for U-Blox GPS module.

  • User of U-Blox GPS module can filter the unprefer NMEA message output by sending following
    UBX message to serial port of GPS module.

NMEA Message - GGA

$PUBX,40,GGA,0,0,0,0*5A // Turn OFF
$PUBX,40,GGA,1,1,1,0*5B // Turn ON

NMEA Message - GLL

$PUBX,40,GLL,0,0,0,0*5C // Turn OFF
$PUBX,40,GLL,1,1,1,0*5D // Turn ON

NMEA Message - RMC

$PUBX,40,RMC,0,0,0,0*47 // Turn OFF
$PUBX,40,RMC,1,1,1,0*46 // Turn ON

NMEA Message - GSA

$PUBX,40,GSA,0,0,0,0*4E // Turn OFF
$PUBX,40,GSA,1,1,1,0*4F // Turn ON

NMEA Message - GSV

$PUBX,40,GSV,0,0,0,0*59 // Turn OFF
$PUBX,40,GSV,1,1,1,0*58 // Turn ON

NMEA Message - VTG

$PUBX,40,VTG,0,0,0,0*5E // Turn OFF
$PUBX,40,VTG,1,1,1,0*5F // Turn ON

NMEA Message - GRS

$PUBX,40,GRS,0,0,0,0*5D // Turn OFF
$PUBX,40,GRS,1,1,1,0*5C // Turn ON

NMEA Message - GST

$PUBX,40,GST,0,0,0,0*5B // Turn OFF
$PUBX,40,GST,1,1,1,0*5A // Turn ON

NMEA Message - ZDA

$PUBX,40,ZDA,0,0,0,0*44 // Turn OFF
$PUBX,40,ZDA,1,1,1,0*45 // Turn ON

 

Below are the example command send to U-Blox GPS module for the output of $GPRMC message only.

$PUBX,40,GGA,0,0,0,0*5A
$PUBX,40,GLL,0,0,0,0*5C
$PUBX,40,RMC,1,1,1,0*46
$PUBX,40,GSA,0,0,0,0*4E
$PUBX,40,GSV,0,0,0,0*59
$PUBX,40,VTG,0,0,0,0*5E
$PUBX,40,GRS,0,0,0,0*5D
$PUBX,40,GST,0,0,0,0*5B
$PUBX,40,ZDA,0,0,0,0*44

  • Then you can see the output of GPS module as below.

 

MNEA - $GPRMC

 

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