aerd_underway More information: Luis Bermudez MMI 2005-08-09T02:26:45 Variable Units Variable Description Data Type decimal degrees north number shipheading shipheading ship heading decimal knots truewindspeed number truewindspeed true wind speed longitude longitude decimal degrees west longitude number flour_v integer volts flour_v number flourometer voltage date date x/x/xxxx gmt date date latitude number decimal degrees north latitude latitude airtemp air temp number decimal degrees celsius airtemp decimal knots shipspeed ship speed number shipspeed decimal degrees celsius temp temp temp number comments text comments comments time time h:m:s xm gmt time date decimal degrees north number true wind dir truewinddir truewinddir number ship miles decimal miles shipmiles shipmiles barometricpressure barometric pressure barometricpressure decimal mbar number winddir winddir wind dir decimal degrees north number number airwindspeed air wind speed decimal knots airwindspeed par_ueinsm-2s-1 par_ueinsm-2s-1 photosynthetic active radiation decimal ueinsm-2s-1 number decimal 0/00 salinity salinity number salinity