LAST CHANGED : 2024/06/07 13:59:33 CRUISE NAME(S) : rr2407 CRUISE DATES : 2024/06/06 to 2024/06/07 SHIP NAME : R. Revelle PORTS : Morehead City, NC to Woods Hole, MA CHIEF SCIENTIST : Magdalena Andres DATABASE NAME : a_rr DATA FILES : rr2024_157_72859.raw to rr2024_162_50400.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 : os150 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 2024/06/06 20:17:20 off 180 60 8 6 4 41.78 0.00 0001 HEADING : PRIMARY : heading from gyro CORRECTION : heading correction from seapath380 NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) POSITIONS : gps positions from seapath380 CALIBRATION : (check original processing parameters) (1) transducer alignment original transducer alignment: 41.78 additional rotation 0 final transducer angle is: (original transducer angle) - (rotate_angle) (2) scale factor original scale factor 1 additional scale factor 1.0055 (3) ADCP (dx=starboard, dy=fwd) meters from GPS original: xducer_dx=0 xducer_dy=0 correction -1 9 final offset -1 9 final = original + corrections COMMENTS : We reprocessed data incrementally with no bottom detection in order to recover data that was lost by incorrectly identifying the bottom. After editing, applied a correction to the gps position in relation to the adcp transducer. PROCESSOR : A.S. Genz --- original processing parameters from dbinfo.txt ---------- # # written 2024/06/08 17:48:07 # this file contains CODAS quick_adcp.py info #name, value pairs #-------------------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 150 ## (determined from "sonar"): instname = os150 ## (determined from "sonar"): pingtype = nb badbeam None beam_order None beamangle 30 configtype python cruisename RR2407 datatype uhdas dbname aship ens_len 180 fixfile aship.gps hcorr_inst seapath380 pgmin 50 pingpref None proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar os150nb txy_file aship.agt xducer_dx -1 xducer_dy 9 yearbase 2024 ================================================== POST PROCESSING STEPS: ================================================== Data was reprocessed incrementally throughout the cruise. The q_py.cnt code was updated to include the following: --incremental --py_gbindirbase gbin --max_search_depth -1 # do not look for the bottom --ens_len 180 --------------------- ### 2. ADCP calibration --------------------- Once editing was completed, I calibrated the dataset ### Run this: (to check dxdy statistics calibration after patching hcorr) catxy.py Original **transducer-gps offset** ----------- guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from aship.gps calculation done at 2024/06/11 15:03:03 xducer_dx = -0.939103 xducer_dy = 9.222461 signal = 776.907132 ----------- # apply offset quick_adcp.py --steps2rerun navsteps:calib --xducer_dx -1 --xducer_dy 9 --auto #check calibration catxy.py #Updated **transducer-gps offset** ----------- guessing ADCP (dx=starboard, dy=fwd) meters from GPS positions from aship.agt calculation done at 2024/06/11 15:19:16 xducer_dx = -0.126785 xducer_dy = 0.485872 signal = 776.904017 ----------- ### Run this: (to check watertrack calibration after applying horizontal offset) catwt.py #Original **watertrack** ----------- Number of edited points: 44 out of 45 median mean std amplitude 1.0050 1.0063 0.0054 phase -0.0285 0.0052 0.3316 ----------- # apply scale factor quick_adcp.py --steps2rerun rotate:navsteps:calib --rotate_amplitude 1.0055 --auto # check catwt.py #UPDated **watertrack** ----------- Number of edited points: 45 out of 45 median mean std amplitude 0.9990 1.0004 0.0069 phase -0.0230 0.0142 0.3366 ----------- ------------------------- ### 6. Make plots and files ------------------------- ### Run this: quick_web.py --redo --interactive open webpy/index.html ### Run this to extract matlab files quick_adcp.py --steps2rerun matfiles --auto ### Run this to extract a netCDF file adcp_nc.py adcpdb/aship contour/os150nb RR2407 os150nb --ship_name "R. Revelle" ncdump -h contour/os150nb.nc ### Run this to look at the headers ncdump contour/os150nb.nc -h