| Parameter | Description | Units | Sensor | Command | Response |
| AIR_T | Air temperature | Degrees Centigrade | Vaisala HMP425 temperature (platinum resistance) and relative humidity | #HRH01C | HHHH.H TTTT.T |
| HRH | Relative Unmidity | % Relative Humidity | Vaisala HMP425 temperature (platinum resistance) and relative humidity | #HRH01C | HHHH.H TTTT.T |
| WIND_MX | Maximum 5 second sample wind speed over past minute | meters/second | Vaisala WS425 Acoustic Wind Sensor and electronic compass | #WND01C | E.EN.NS.SX.XM.M |
| WIND_MI | Minimum 5 second sample wind speed over past minte | meters/second | Vaisala WS425 Acoustic Wind Sensor and electronic compass | #WND01C | E.EN.NS.SX.XM.M |
| WIND_EC | East wind corrected for COG and SOG | meters/second | Vaisala WS425 Acoustic Wind Sensor and electronic compass | Derived from #WND0aC output | XX.XE/W |
| WIND_NC | North wind corrected for COG and SOG | meters/second | Vaisala WS425 Acoustic Wind Sensor and electronic compass | Derived from #WND01C output | XX.XN/S |
| WIND_S | Scalar wind speed for last five seconds | meters/second | Vaisala WS425 Acoustic Wind Sensor and electronic compass | Derived from #WND01C output | XX.X |
| WIND_D (reserved) | Wind direction relative to vessel | meters/second | Vaisala WS425 Acoustic Wind Sensor and electronic compass | Reserved | Reserved |
| E_CMP (reserved) | Electronic Compass Heading relaltive to bow, stern, starboard, port | Degrees, magnetic | PN Electronic Compass | #CMP01C | Reserved |
| IMET_BPR | Barometric pressure | milliBars | Honeywell HMPB | #BPR01C | XXXX.X |
| DEC_LAT | Decimal Latitude | ddmm.mmmmN/S | Garmin 17N WAAS | PGRMF message continuous | |
| DEC_LON | Decimal Longitude | dddmm.mmmmE/W | Garmin 17N WAAS | PGRMF message continuous | |
| GPS_DA | GPS Date | ddmmyy UT | Garmin 17N WAAS | PGRMF message continuous | |
| GPS_F | GPS Fix Type | 0=no fix; 1=2D; 2=3D | Garmin 17N WAAS | PGRMF message continuous | |
| GPS_UT | GPS Time | hhmmss | Garmin 17N WAAS | PGRMF message continuous | |
| GPS_COG | GPS Course Over Ground | ddd | Garmin 17N WAAS | PGRMF message continuous | |
| GPS_SOG | GPS Speed Over Ground | knots | Garmin 17N WAAS | PGRMF message |