$POVRID,1,GYRO_RESET,FORCE_CALIBRATE,00*3A

The checksum hex values, converted to ASCII, spelled:

He sent it once. Twice. The rogue module stuttered. Its fake stream glitched. For a single second, the real gyro data broke through: $PROMT,1,ROLL,0.0,N,OK*1F

Unlike its binary successor, NMEA 2000, NMEA 0183 uses human-readable ASCII text "sentences". Version 4.11 ensures that older serial-based systems can still understand data from the newest high-accuracy satellite arrays.