Cours sur les méthodes d'évaluation acoustique ... - Fao - Copemed

The NMEA 0183 Protocol 12LCDLoran-C Signal Data1 2 3 4 5 6 7 8 9 10 11 12 13 14| | | | | | | | | | | | | |$--LCD,xxxx,xxx,xxx,xxx,xxx,xxx,xxx,xxx,xxx,xxx,xxx,xxx,xxx*hh1) GRI Microseconds/102) Master Relative SNR3) Master Relative ECD4) Time Difference 1 Microseconds5) Time Difference 1 Signal Status6) Time Difference 2 Microseconds7) Time Difference 2 Signal Status8) Time Difference 3 Microseconds9) Time Difference 3 Signal Status10) Time Difference 4 Microseconds11) Time Difference 4 Signal Status12) Time Difference 5 Microseconds13) Time Difference 5 Signal Status14) ChecksumMSKMSK Receiver Interface (for DGPS Beacon Receivers)1 2 3 4 5 6| | | | | |$GPMSK,xxx.x,xx,xxx,xx,N*hh1) Frequency in kHz (283.5 to 325.0)2) Frequency SelectionM1 = ManualA1 = Automatic (field 1 empty)3) MSK bit rate (100 or 200)4) Bit Rate SelectionM2 = ManualA2 = Automatic (field 3 empty)5) Period of output of performance status message, 0 to 100 seconds ($CRMSS)6) ChecksumMSSMSK Receiver Signal StatusFormat unknownMWDWind Direction & SpeedFormat unknownMTWWater Temperature1 2 3| | |$--MTW,x.x,C*hh1) Degrees2) Unit of Measurement, Celcius3) Checksum