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Hi,
In recent GPS receivers like the ZED-F9P that I am fortunate to have, the GPS frames are multiconstellation.
As a consequence the useful messages are prefixed with GN and not with GP as in previous versions of the NMEA standard.
See here, page 24: https://content.u-blox.com/sites/default/files/documents/u-blox-F9-HPG-1.32_InterfaceDescription_UBX-22008968.pdf
$GP is only for GPS specific stuff, the "combined" position info is now prefixed with $GN.
Example NMEA coming from an unlocked F9P:
GNGLL,,,,,,V,N*7A GNRMC,,V,,,,,,,,,,N,V*37 GNVTG,,,,,,,,,N*2E GNGGA,,,,,,0,00,99.99,,,,,,*56 GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99,1*33 GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99,2*30 GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99,3*31 GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99,4*36 GNGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99,5*37 GPGSV,1,1,00,0*65 GLGSV,1,1,00,0*79 GAGSV,1,1,00,0*74 GBGSV,1,1,00,0*77 GQGSV,1,1,00,0*64
The version that is presently in F-droid seemed to be unable to handle this.
I'm ready to test as soon as you have something available.
Thank you!
The text was updated successfully, but these errors were encountered:
Will look into this if I get a chance, but it should be a relatively easy fix. Thanks for the details :)
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Hi,
In recent GPS receivers like the ZED-F9P that I am fortunate to have, the GPS frames are multiconstellation.
As a consequence the useful messages are prefixed with GN and not with GP as in previous versions of the NMEA standard.
See here, page 24: https://content.u-blox.com/sites/default/files/documents/u-blox-F9-HPG-1.32_InterfaceDescription_UBX-22008968.pdf
$GP is only for GPS specific stuff, the "combined" position info is now prefixed with $GN.
Example NMEA coming from an unlocked F9P:
The version that is presently in F-droid seemed to be unable to handle this.
I'm ready to test as soon as you have something available.
Thank you!
The text was updated successfully, but these errors were encountered: