PB100 WeatherStation™ Technical Manual revision 1.009 Introduction This document is a supplement to the Airmar PB100 WeatherStation™ Owner's Guide. This document provides a detailed description of the communications protocol for both transmitted and received NMEA 0183 sentences used by the PB100 WeatherStation instrument.
Page 3
® AIRMAR PB100 WeatherStation™ Technical Manual revision 1.009 4800 baud to output all sentences within a one second timeframe. Therefore, one or more of the following remedies should be employed: • To conserve bandwidth, only enable for transmission those sentences required for the given application, and disable all others.
Page 4
GPS and compass. $WIVWT True Wind Speed and Angle referenced to water is provided only if water referenced speed is available via the NMEA 0183 input from an Airmar® Smart™ speed sensor.
Page 5
® AIRMAR PB100 WeatherStation™ Technical Manual revision 1.009 NMEA 0183 TRANSMITTED SENTENCE Summary NMEA 0183 standard GPS Fix Data. Syntax $GPGGA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>, <9>,<10>,<11>,<12>,<13>,<14>*hh Fields <1> UTC of position, in the form hhmmss <2> Latitude, to the nearest .0001 minute <3> N if field <2> is North Latitude S if field <2>...
Page 6
® AIRMAR PB100 WeatherStation™ Technical Manual revision 1.009 <11> Geoidal separation, meters (to the nearest whole meter). This field is not provided by the WeatherStation instrument, and appears as a null field. <12> M. This field is not provided by the WeatherStation instrument, and appears as a null field.
Page 7
® AIRMAR PB100 WeatherStation™ Technical Manual revision 1.009 NMEA 0183 TRANSMITTED SENTENCE Summary NMEA 0183 standard Meteorological Composite. Syntax $WIMDA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>, <12>,<13>,<14>,<15>,<16>,<17>,<18>,<19>,<20>*hh Fields <1> Barometric pressure, inches of mercury, to the nearest 0.01 inch <2> I = inches of mercury <3>...
Page 8
® AIRMAR PB100 WeatherStation™ Technical Manual revision 1.009 Default State Enabled. Transmitted once per second. Notes This sentence may be enabled or disabled via the $PAMTC,EN,MDA command. The barometric pressure provided in this sentence is the altimeter setting, which is the barometric pressure corrected for altitude above sea level.
Page 9
® AIRMAR PB100 WeatherStation™ Technical Manual revision 1.009 NMEA 0183 TRANSMITTED SENTENCE Summary NMEA 0183 standard Time and Date Syntax $GPZDA,<1>,<2>,<3>,<4>,<5>,<6>*hh Fields <1> UTC of position, in the form hhmmss <2> Day, 01 to 31 <3> Month, 01 to 12 <4>...