LAST CHANGED : 2017/12/17 02:32:40 CRUISE NAME(S) : FK171110 CRUISE DATES : 2017/11/10 to 2017/12/16 SHIP NAME : Falkor PORTS : Apia, Samoa CHIEF SCIENTIST : K. Rubin DATABASE NAME : a_fk DATA FILES : fk2017_311_23706.raw to fk2017_350_08826.raw STATUS : to do done ------ ----------- averaged [ x ] loaded [ x ] NOTE: heading correction instrument exists NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) check heading correction [ x ] calibration [ x ] edited [ x ] re-check heading correction [ x ] check editing [ x ] figures [ x ] INSTRUMENT : os75 ACQUISITION : PROGRAM : uhdas PROCESSING: : python LOGGING : PARAMETERS : BT : bottom track mode (on or off) SI : sampling interval or averaging period for ensemble (sec) NB : number of bins BL : bin length (m) TD : transducer depth (m) BK : blanking length (m) HO : heading offset applied by DAS (deg) HB : heading bias (deg) CRPH : compensation for roll-pitch-heading, 1:on, 0:off) yy/mm/dd hh:mm:ss BT SI NB BL TD BK HO HB CRPH 2017/11/08 06:40:09 off 300 55 16 7 8 44.47 0.00 0001 HEADING : PRIMARY : heading from gyro CORRECTION : heading correction from seapath NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) POSITIONS : gps positions from cnav CALIBRATION : (check original processing parameters) 44.47 additional rotation 0 final transducer angle is: (original transducer angle) - (rotate_angle) 44.47 - 0 original scale factor 1 additional scale factor (none) gps and sonar offset: dx dy adjustment: --xducer_dx -1 --xducer_dy 2 COMMENTS : No gaps in heading correction PROCESSOR : U. Pinho --- processing parameters ---------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 75 ## (determined from "sonar"): instname = os75 ## (determined from "sonar"): pingtype = nb beamangle 30 cruisename FK171110 datatype uhdas ens_len 300 fixfile a_fk.gps frequency 75 hcorr_inst seapath instname os75 model os pingtype nb proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar os75nb txy_file a_fk.agt xducer_dx 1 xducer_dy 16 yearbase 2017 # POST-PROCESSING -------------- cd os75nb plot_nav.py nav/a_fk.gps Cruising close to Samoa Islands, went South West and back to Samoa, Apia port. (1) review the data (a) check calibration:heading correction device: figview.py cal/rotate/*png conclude: no action needed figview.py . (b) check calibration: **watertrack** ------------ Number of edited points: 25 out of 38 amp = 0.9992 + -0.0000 (t - 323.0) phase = -0.01 + -0.0060 (t - 323.0) median mean std amplitude 0.9990 0.9992 0.0103 phase 0.0090 -0.0106 0.4490 ------------ **bottomtrack** ------------ tail: cannot open 'cal/botmtrk/btcaluv.out' for reading: No such file or directory ------------ **transducer-gps offset** ------------ guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from a_fk.agt calculation done at 2017/12/17 02:32:39 xducer_dx = -0.907959 xducer_dy = 1.653488 signal = 1811.718736 ------------ (c) look at the data: dataviewer.py (2) edit "gautoedit" cd edit gautoedit.py -n5 # apply editing: cd .. quick_adcp.py --steps2rerun apply_edit:navsteps:calib --auto # check editing -- looks OK dataviewer.py **watertrack** ------------ Number of edited points: 24 out of 38 amp = 0.9991 + -0.0001 (t - 323.3) phase = -0.02 + -0.0088 (t - 323.3) median mean std amplitude 0.9980 0.9991 0.0059 phase -0.0250 -0.0173 0.3613 ------------ **transducer-gps offset** ------------ guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from a_fk.agt calculation done at 2018/02/16 00:34:22 xducer_dx = -0.798772 xducer_dy = 1.616153 signal = 1811.718736 ------------ quick_adcp.py --steps2rerun navsteps:calib --xducer_dx -1 --xducer_dy 2 --auto **transducer-gps offset** ------------ guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from a_fk.agt calculation done at 2018/02/16 00:39:26 xducer_dx = -0.116188 xducer_dy = 0.359399 signal = 1811.718736 ------------ **watertrack** ------------ Number of edited points: 24 out of 38 amp = 0.9990 + -0.0001 (t - 323.3) phase = -0.02 + -0.0090 (t - 323.3) median mean std amplitude 0.9985 0.9990 0.0059 phase -0.0155 -0.0228 0.3473 ------------ figview.py cal/watertrk/wtcal1.png (3) make web plots quick_web.py --interactive - view with a browser, look at webpy/index.html (4) Extract data: quick_adcp.py --steps2rerun matfiles --auto You can extract NetCDF files as well. adcp_nc.py adcpdb contour/os75nb_short FK171110 os75nb adcp_nc.py --long adcpdb contour/os75nb_long FK171110 os75nb To check netcdf file: ncdump -h contour/os75nb_short.nc # cat cruise_info.txt at the top of this file!