- 62: FAST_T, Site OKMN, Tue 30-Jun-1998 14:52:48 CDT, Installed fine-wire thermocouple
18:45 UTC: Installed FW05 fine wire thermocouple
- 37: FAST_T, Site , Thu 25-Jun-1998 11:22:56 CDT, Fast T gain setting
The fast T gain setting was calculated to be
10.1263095. The average voltage range change was 0.4937633 volts.
The data set was from 6/18/98 at 22:32:20 - 22:33:50.
The calibration file,t.4.5m.OASIS98, in directory cal_files
was changed.
- 8: FAST_T, Site , Thu 18-Jun-1998 17:36:12 CDT, Fast T calibration
Steve ran a calibration on the fast T at 4.5m, cycling between "ambient"
and "cal" ("ambient" + 5 degrees). Switching was done at approximate
10 sec intervals from 22:32:20 - 22:33:50 GMT.
- 6: FAST_T, Site none, Thu 11-Jun-1998 12:29:10 CDT, How to examine cals
Steve S. asked me to review how the fast T calibration data are processed
in S. Here is an example:
dpar(lenmin=3)
dpar.now()
dpar(hour=15,min=20)
iod <- prep("volts.102.ragwort")
x <- read(iod)
close(iod)
fun.fastT.cal(as.vector(x),navg=10)
The "as.vector" is needed since fun.fastT.cal isn't expecting an ATS object.
The sequence of dpar calls is my way of being lazy and avoiding entering
today's date (when the data were taken).
Note that fun.fastT.cal is expecting a VOLTAGE change of about 0.5 V.
It doesn't work if the calibrated "t.4.5m" signal is used.