LAST CHANGED : 2024/06/06 11:51:27 CRUISE NAME(S) : FKt240524 CRUISE DATES : 2024/05/31 00:54:49 to 2024/06/06 11:51:09 SHIP NAME : Falkor (too) PORTS : Antofagasta, Chile to Puerto Mejillones, Chile CHIEF SCIENTIST : Armando Azua-Bustos and Lauren Seyler DATABASE NAME : a_ftoo DATA FILES : ftoo2024_149_65607.raw to ftoo2024_157_36000.raw STATUS : to do done ------ ----------- averaged [ x ] reprocessed loaded [ x ] reprocessed 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 : os38 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 2024/05/31 00:54:49 off 300 75 24 7 16 0.21 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: 0.21 additional rotation 0.3 final transducer angle is: (original transducer angle) - (rotate_angle) (2) scale factor original scale factor 1 additional scale factor 1.009 (3) ADCP (dx=starboard, dy=fwd) meters from GPS xducer_dx xducer_dy original: 1 -10 correction 0 0 final offset 1 -10 final = original + corrections COMMENTS : reprocess with - all beams (at-sea processing ignored beam 2) - no bottom detection (we were getting false bottoms) PROCESSOR : J.Hummon --- final processing parameters from dbinfo.txt ---------- #-------------------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 38 ## (determined from "sonar"): instname = os38 ## (determined from "sonar"): pingtype = nb badbeam None beam_order None beamangle 30 configtype python cruisename FKt240524 datatype uhdas dbname aship ens_len 300 fixfile aship.gps hcorr_inst seapath pgmin 50 pingpref None proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar os38nb txy_file aship.agt xducer_dx 1 xducer_dy -10 yearbase 2024 ================================================== POST PROCESSING STEPS: ================================================== -------------------------- ### 1. Check visual oddities -------------------------- -------------------------- ### Run this: (to look for gaps in the cruise track) plot_nav.py nav/a*.gps ### Run this: (to look for gaps in the heading correction, examine the ### character of the watertrack and bottom track calibration, etc figview.py ### Run this: (looking for missing heading correction values or missing positions) dataviewer.py ### Run this: (to check watertrack calibration after patching hcorr) catwt.py **watertrack** ------------ Number of edited points: 21 out of 21 amp = 1.0087 + -0.0008 (t - 154.2) phase = 0.30 + 0.0307 (t - 154.2) median mean std amplitude 1.0090 1.0087 0.0063 phase 0.2800 0.2980 0.2025 ------------ ### Run this: (to check dxdy statistics calibration after patching hcorr) catxy.py **transducer-gps offset** ------------ guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from aship.agt calculation done at 2024/07/13 01:09:38 xducer_dx = -2.336375 xducer_dy = -0.065787 signal = 289.136435 ------------ # too small a signal to apply --------------------- ### 2. ADCP calibration --------------------- quick_adcp.py --steps2rerun rotate:navsteps:calib --rotate_amplitude 1.009 --rotate_angle 0.3 --auto --------------------- ### Run this: (look at the watertrack calibration residuals remaining) catwt.py **watertrack** ------------ Number of edited points: 21 out of 21 amp = 0.9998 + -0.0009 (t - 154.2) phase = -0.01 + 0.0321 (t - 154.2) median mean std amplitude 1.0010 0.9998 0.0067 phase -0.0160 -0.0095 0.2014 ------------------- ### 3. Editing points ------------------- ### Run this: (to go through the dataset and edit out bad values) dataviewer.py -e ### Run this: (to recompute the calibration residuals) quick_adcp.py --steps2rerun navsteps:calib --auto ### Run this: catwt.py # not much change **watertrack** ------------ Number of edited points: 21 out of 21 amp = 1.0000 + -0.0008 (t - 154.2) phase = -0.02 + 0.0269 (t - 154.2) median mean std amplitude 1.0010 1.0000 0.0068 phase -0.0290 -0.0231 0.2072 -------------------------------------------------- ### 4. Re-check heading correction and other figures -------------------------------------------------- ### Run this: (Is there anything strange with any of the figures?) figview.py -------------------------------------------------------------- ### 5. Check edited, calibrated dataset against original dataset -------------------------------------------------------------- ### Run this: (Has this corrected the problems in the original?) dataviewer.py -c . ../os38nb.orig ### Run this to compare this sonar with another sonar (after both are finished) dataviewer.py -c ../ANOTHER_SONAR . <...> Use the comparison to determine if anything else needs to be done. ------------------------- ### 6. Make plots and files ------------------------- ### Run 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/os38nb FKt240524 os38nb --ship_name "Falkor (too)" ### Run this to look at the headers ncdump -h contour/os38nb.nc panelplotter.py contour/os38nb.nc ready for JASADCP