LAST CHANGED : 2023/12/22 CRUISE NAME(S) : FKt230918 CRUISE DATES : 2023/09/18 to 2023/09/22 SHIP NAME : Falkor (too) PORTS : Puerto Ayora, Galapagos, Ecuador to Golfito, Costa Rica CHIEF SCIENTIST : Katleen Robert DATABASE NAME : a_ftoo DATA FILES : ftoo2023_260_07041.raw to ftoo2023_264_00000.raw STATUS : to do done ------ ----------- averaged [ X ] at sea loaded [ X ] at sea 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 : wh300 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 2023/09/18 01:59:22 off 120 70 2 7 2 -1.33 0.00 0001 2023/09/18 15:18:45 off 120 70 2 7 2 -1.33 0.00 0001 2023/09/19 01:18:44 off 120 70 2 7 2 -1.33 0.00 0001 HEADING : PRIMARY : heading from gyro1 CORRECTION : heading correction from seapath NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) POSITIONS : gps positions from posmv_gps CALIBRATION : (check original processing parameters) (1) transducer alignment original transducer alignment: -1.33 additional rotation 0 final transducer angle is: -1.33 (2) scale factor original scale factor 1 additional scale factor (none) (3) ADCP (dx=starboard, dy=fwd) meters from GPS original: 1 -14 correction 0 0 final offset 1 -14 COMMENTS : Data below the bottom was removed, as well as small bits of data at the the bottom of the sonars range was removed. For this cruise, there was no need to perform any additional calibrations. PROCESSOR : Jamie Ash --- final processing parameters from dbinfo.txt ---------- ## (determined from "sonar"): model = wh ## (determined from "sonar"): frequency = 300 ## (determined from "sonar"): instname = wh300 ## (determined from "sonar"): pingtype = bb beamangle 20 cruisename FKt230918 datatype uhdas dbname a_ftoo ens_len 120 fixfile a_ftoo.gps frequency 300 hcorr_inst seapath instname wh300 model wh pingtype bb proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar wh300 txy_file a_ftoo.agt xducer_dx 1 xducer_dy -14 yearbase 2023 ================================================== POST PROCESSING STEPS: ================================================== ------------------------------------------------------------------------------ ### 1. Check visual oddities ------------------------------------------------------------------------------ # I ran this to look for gaps in the cruise track. plot_nav.py nav/a*.gps # I ran this to look for gaps in the heading correction. figview.py # I ran this to look for missing heading correction values or missing positions. dataviewer.py # A single gap in the heading correction exists. So I will need to run # patch_hcorr.py # I ran this to interpolate for missing heading correction fixes. cd cal/rotate patch_hcorr.py cd ../.. # I ran this. catwt.py catxy.py **watertrack** ----------- Number of edited points: 21 out of 22 median mean std amplitude 1.0050 1.0059 0.0136 phase -0.0530 -0.0710 0.4298 ----------- **transducer-gps offset** ----------- guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from a_ftoo.agt calculation done at 2023/12/06 20:58:32 xducer_dx = -0.762537 xducer_dy = 0.844931 signal = 353.702780 ----------- ------------------------------------------------------------------------------ ### 2. ADCP calibration ------------------------------------------------------------------------------ # Not needed here. Calibrations from earlier cruises with better # statistics were entered into the UHDAS processing at sea. ------------------------------------------------------------------------------ ### 3. Editing points ------------------------------------------------------------------------------ # To go through the dataset and edit out bad values. dataviewer.py -e # To recompute the calibration residuals. quick_adcp.py --steps2rerun navsteps:calib --auto ------------------------------------------------------------------------------ ### 4. Check edited, calibrated dataset against original dataset ------------------------------------------------------------------------------ # Has this corrected the problems in the original? dataviewer.py -c . ../wh300.orig # To compare this sonar with another sonar. dataviewer.py -c ./ ../os38nb ------------------------------------------------------------------------------ ### 5. Make plots and files ------------------------------------------------------------------------------ # To divy up the cruise into sections I ran this. quick_web.py --interactive ### Run this to extract matlab files quick_adcp.py --steps2rerun matfiles --auto ### Run this to extract a netCDF file adcp_nc.py adcpdb contour/wh300 FKt230918 wh300 --ship_name "Falkor (too)" ### Run this to look at the headers ncdump -h contour/wh300.nc | egrep '(cruise_id|sonar|yearbase)'