'G' ^ 'P' ^ 'G' ^ 'G' ^ 'A' ^ ',' ^ '1' ^ ... = 0x47 → *47 (hex) Get the official NMEA 0183 PDF if you are building commercial hardware or software. For hobbyists, use the gpsd NMEA reference + vendor app notes – these are free, 90% complete, and can be saved as PDF. Need a specific sentence structure or wiring diagram from the PDF? Let me know which part (e.g., GSA , MWV , RS-422 pinout), and I can extract a clean summary.
XOR each character:
'G' ^ 'P' ^ 'G' ^ 'G' ^ 'A' ^ ',' ^ '1' ^ ... = 0x47 → *47 (hex) Get the official NMEA 0183 PDF if you are building commercial hardware or software. For hobbyists, use the gpsd NMEA reference + vendor app notes – these are free, 90% complete, and can be saved as PDF. Need a specific sentence structure or wiring diagram from the PDF? Let me know which part (e.g., GSA , MWV , RS-422 pinout), and I can extract a clean summary.
XOR each character:
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