Version 231 GPS_PROTOCOL

is this compiler definition used to determine GPS language?0 = NMEA1 = SiRF2 = ?Are there any reasons I should use one language over the other? NMEA vs SiRF?

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  • 3D Robotics
    This is all in the manual. 2 is uBlox, which is the recommended one. It doesn't determine GPS "language", but rather communications format. Basically uBlox is best, SiRF is next best and NMEA is worst in terms of efficiency and accuracy (some data fields are not available in NMEA)
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