The AR9807 underway system data is from McArthur cruise AR9807, 6/2/98 to 6/4/98.

The files are space delimited, all times are GMT.

The McArthur data has time in the format: YR, JD, day, fractional decimal day, "variable value(s)".

The files, their variables and units are:

baro.txt:

barometer (MB), barometer-corrected (MB)

twind.txt:

True-wind-dir (deg T), True-wind-spd(kts),

Avg.-wind-dir(deg T), Avg.-wind-spd (kts)

young.txt:

RMYoung-rel-dir (deg.rel), RMYoung-rel-spd(kts rel),

RMYoung-air-temp(deg F), Air temp C(deg C)

eqdepth.txt:

EQ-depth-m(meters) **Simrad EQ-50 in plotroom**

skdepth.txt:

SK-depth-m (meters) **Skipper GDS101 on bridge**

gps1gga.txt:

GPS1-tim(HHMMSS), GPS1-lat (deg min), GPS1-lon(deg min)

GPS1-quality (1=good), GPS1-sats(no.), GPS1-HDOPS(no.)

gps1vtg.txt:

GPS-1-sog (kts), GPS-1-cog (deg)

gps2ll.txt:

GPS2-lat(deg min), GPS2-lon (deg min)

gps2vtg.txt:

GPS2-sog (kts), GPS2-cog(deg)

gyro.txt:

gyro (T)