LAST CHANGED : 2024/12/06 12:46:13 CRUISE NAME(S) : FKt241011 CRUISE DATES : 2024/10/11 17:50:19 to 2024/12/03 10:25:30 PORTS : Valparaiso, Chile to Punta Arenas, Chile CHIEF SCIENTIST : Jeffrey Marlow DATABASE NAME : aship DATA FILES : ftoo2024_284_63916.raw to ftoo2024_337_36000.raw STATUS : to do done ------ ----------- averaged [ X ] loaded [ X ] 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 2024/10/29 23:32:45 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 0.15 final transducer angle is: 0.21 - (0.15) = -0.06 (2) scale factor original scale factor 1 additional scale factor 1.003 (3) ADCP (dx=starboard, dy=fwd) meters from GPS xducer_dx xducer_dy original: 1 -10 correction 0 0 final offset 1 -10 COMMENTS : Artifacts of data collection were removed. UVSHIP was applied to the os38nb and os38bb. PROCESSOR : Jamie --- original 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 FKt241011 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 figview.py ------------------------------------------------------------------------------------ ### 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 ### UVSHIP was run. quick_adcp.py --steps2rerun navsteps:calib --refuv_source uvship --auto ### Check the calibrations. catwt.py catxy.py **watertrack** ------------ Number of edited points: 62 out of 78 amp = 1.0038 + -0.0000 (t - 307.9) phase = 0.14 + -0.0036 (t - 307.9) median mean std amplitude 1.0030 1.0038 0.0100 phase 0.1550 0.1376 0.7408 ------------ **transducer-gps offset** ----------- guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from aship.agt calculation done at 2024/12/23 20:11:41 xducer_dx = -1.186928 xducer_dy = 0.552502 signal = 3448.620228 ----------- Apply calibration now quick_adcp.py --steps2rerun rotate:navsteps:calib --rotate_amplitude 1.003 --rotate_angle 0.15 --auto **watertrack** ------------ Number of edited points: 62 out of 78 amp = 1.0006 + -0.0000 (t - 307.9) phase = -0.01 + -0.0034 (t - 307.9) median mean std amplitude 0.9995 1.0006 0.0099 phase 0.0125 -0.0096 0.7478 ------------ -------------------------------------------------------------------------- ### 5. Check edited, calibrated dataset against original dataset --------------------------------------------------------------------------- ### Run this to compare this sonar with another sonar (after both are finished) dataviewer.py -c ../wh300 . dataviewer.py -c ../os38bb_edit . ### I removed a few more points, then recalculated the calibration coefficients. quick_adcp.py --steps2rerun navsteps:calib --auto ------------------------------------------------------------------------------------ ### 6. Make plots and files ------------------------------------------------------------------------------------ ### Create the figures. mkdir webpy cp ../wh300/webpy/section_info.txt webpy/ quick_web.py --redo ### Run this to extract a netCDF file adcp_nc.py adcpdb contour/os38nb FKt241011 os38nb --ship_name "Falkor (too)" ### Run this to look at the headers ncdump -h contour/os38nb.nc ------------------------------------------------------------------------------------ ### 7. Final dbdinfo ------------------------------------------------------------------------------------ ## (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 FKt241011 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 uvship sonar os38nb txy_file aship.agt xducer_dx 1 xducer_dy -10 yearbase 2024