LAST CHANGED : 2023/12/22 CRUISE NAME(S) : FKt230508 CRUISE DATES : 2023/05/08 to 2023/05/13 SHIP NAME : Falkor (too) PORTS : San Juan, Puerto Rico to Colon, Panama CHIEF SCIENTIST : Paul Duncan DATABASE NAME : a_ftoo DATA FILES : ftoo2023_127_79635.raw to ftoo2023_132_43200.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 : ec150 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 2023/05/08 22:12:14 off 300 60 8 7 9 45.00 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: 45.00 additional rotation: 0 FIXME : rotation should be -0.1 final transducer angle is: 45.00 FIXME : Should be 45.1 (2) scale factor original scale factor 1 additional scale factor: 1.003 (3) ADCP (dx=starboard, dy=fwd) meters from GPS original: xducer_dx xducer_dy correction 0 0 final offset 0 0 COMMENTS : A scale factor was applied of 1.003 based on historic data from all cruises. Data below the bottom was removed, as well as small bits of data at the the bottom of the sonars range was removed. A strong scattering layer was present and data was removed at the editor's discretion. PROCESSOR : Jamie Ash --- final processing parameters from dbinfo.txt ---------- ## (determined from "sonar"): model = ec ## (determined from "sonar"): frequency = 150 ## (determined from "sonar"): instname = ec150 ## (determined from "sonar"): pingtype = cw beamangle 30 cruisename FKt230508 datatype uhdas dbname a_ftoo ens_len 300 fixfile a_ftoo.gps frequency 150 hcorr_inst seapath instname ec150 model ec pingtype cw proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar ec150cw txy_file a_ftoo.gps xducer_dx 0 xducer_dy 0 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 figview.py dataviewer.py catwt.py catxy.py # No need for patch_hcorr.py on this cruise. # Bad values in the reference layer exists, and will need to be removed in # editing. ------------------------------------------------------------------------------ ### 2. ADCP calibration ------------------------------------------------------------------------------ # I ran this to apply the calibration adjustment I ran. # quick_adcp.py --steps2rerun rotate:navsteps:calib --rotate_amplitude 1.003 --auto FIXME : rotate -0.1 ------------------------------------------------------------------------------ ### 3. Editing points ------------------------------------------------------------------------------ # To go through the dataset and edit out bad values I ran. dataviewer.py -e # To recompute the calibration residuals I ran. quick_adcp.py --steps2rerun navsteps:calib --auto # To check the calibration coefficients I ran. catxy.py catwt.py **watertrack** ----------- Number of edited points: 2 out of 2 median mean std amplitude 1.0050 1.0050 0.0198 phase -0.4920 -0.4920 0.1103 ----------- **transducer-gps offset** ----------- guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from a_ftoo.gps calculation done at 2023/12/16 00:48:17 xducer_dx = -0.850458 xducer_dy = 3.388373 signal = 95.907045 ----------- ------------------------------------------------------------------------------ ### 4. Check edited, calibrated dataset against original dataset ------------------------------------------------------------------------------ ### Run this to compare this sonar with another sonar (after both are finished) dataviewer.py -c ../ec150cw.orig . ### Run this to compare this sonar with another sonar (after both are finished) dataviewer.py -c . ../../FKt230508/ ### Final cleanup: Because this is a new instrument, we did not realize ### the original depths were too deep by one bin. A specialized program ### was used to correct this ("depth_change_ec"). A log of this change ### is appended to the end of this file. ------------------------------------------------------------------------------ ### 5. Make plots and files ------------------------------------------------------------------------------ # I ran this to divvy up the cruise sections. quick_web.py --interactive # I will not be extracting matlab files for this cruise. # I ran this to extract a netCDF file. adcp_nc.py adcpdb contour/ec150cw FKt230508 ec150cw --ship_name "Falkor (too)" # I ran this to look at the headers. ncdump -h contour/ec150cw | egrep '(cruise_id|sonar|yearbase)' ######################################### FKt230508_ec150cw_depth_change.log ../FKt230508/ec150cw/adcpdb/a_ftoo 127.92516 block = 0 ,bin = 8.1, blank = 8.6 131.12451 block = 1 ,bin = 8.1, blank = 8.6 132.16617 block = 2 ,bin = 8.1, blank = 8.6 ../FKt230508/ec150cw/adcpdb/a_ftoo 127.92516 block = 0 ,bin = 8.1, blank = 0.6 131.12451 block = 1 ,bin = 8.1, blank = 0.6 132.16617 block = 2 ,bin = 8.1, blank = 0.6