LAST CHANGED : 2014/03/16 CRUISE NAME(S) : A16S_2014 (rb1307) CRUISE DATES : 2013/12/23 to 2014/02/04 SHIP NAME : Ronald H Brown PORTS : Recife, Brazil to Punta Arenas, Chile CHIEF SCIENTIST : R.Wanninkhof, L.Barbero DATABASE NAME : a_rb DATA FILES : rb2013_356_26341.raw to rb2014_034_64800.raw STATUS : to do done ------ ----------- averaged [ x ] loaded [ x ] at-sea processing 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 ] OK to release INSTRUMENT : os75 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 2013/12/23 07:24:04 off 300 80 8 5 8 22.00 0.00 0001 2013/12/24 08:24:05 off 300 80 8 5 8 22.00 0.00 0001 2013/12/26 10:24:02 off 300 80 8 5 8 22.00 0.00 0001 2013/12/28 12:24:04 off 300 80 8 5 8 22.00 0.00 0001 2013/12/29 13:24:06 off 300 80 8 5 8 22.00 0.00 0001 2014/01/01 16:24:05 off 300 80 8 5 8 22.00 0.00 0001 2014/01/02 17:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/04 19:24:06 off 300 80 8 5 8 22.00 0.00 0001 2014/01/08 23:24:02 off 300 80 8 5 8 22.00 0.00 0001 2014/01/11 01:24:05 off 300 80 8 5 8 22.00 0.00 0001 2014/01/12 02:24:06 off 300 80 8 5 8 22.00 0.00 0001 2014/01/13 03:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/14 04:24:02 off 300 80 8 5 8 22.00 0.00 0001 2014/01/15 05:24:03 off 300 80 8 5 8 22.00 0.00 0001 2014/01/16 06:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/17 07:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/18 08:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/19 09:24:05 off 300 80 8 5 8 22.00 0.00 0001 2014/01/20 10:24:02 off 300 80 8 5 8 22.00 0.00 0001 2014/01/21 11:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/22 12:24:03 off 300 80 8 5 8 22.00 0.00 0001 2014/01/23 13:24:04 off 300 80 8 5 8 22.00 0.00 0001 2014/01/24 14:24:06 off 300 80 8 5 8 22.00 0.00 0001 2014/01/25 15:24:02 off 300 80 8 5 8 22.00 0.00 0001 2014/01/28 18:24:06 off 300 80 8 5 8 22.00 0.00 0001 2014/01/29 08:05:00 off 300 80 8 5 8 22.00 0.00 0001 2014/01/30 06:04:59 off 300 80 8 5 8 22.00 0.00 0001 2014/01/30 12:05:00 off 300 80 8 5 8 22.00 0.00 0001 2014/01/30 14:05:00 off 300 80 8 5 8 22.00 0.00 0001 2014/01/31 15:05:03 off 300 80 8 5 8 22.00 0.00 0001 2014/02/01 16:05:02 off 300 80 8 5 8 22.00 0.00 0001 2014/02/02 17:05:02 off 300 80 8 5 8 22.00 0.00 0001 2014/02/03 18:05:04 off 300 80 8 5 8 22.00 0.00 0001 HEADING : PRIMARY : heading from mahrs CORRECTION : heading correction from posmv NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) POSITIONS : gps positions from gpsnav CALIBRATION : original transducer orientation: 22.00 transducer depth: 5.0 (check original processing parameters) additional rotation 0.5 final transducer angle is: (original transducer angle) - (rotate_angle) applied scale factor 1 additional scale factor (1.003) COMMENTS : no gaps in heading correction loud ship: under wayloss of deep signal in mid-latitudes ==> MAHRS is poorly calibrated/maintained and needs a latitude-dependent correction ==> POSMV is doing very badly: very little of the data are trustworthy, but in a gross sense it can provide the latitudinal correction for the MAHRS PROCESSOR : J Hummon --- processing parameters ---------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 75 ## (determined from "sonar"): pingtype = bb ## (determined from "sonar"): instname = os75 badbeam None beamangle 30 configtype python cruisename RB1307 datatype uhdas dbname aship ens_len 300 fixfile aship.gps hcorr_inst posmv pgmin 50 proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar os75bb txy_file aship.gps xducer_dx 0 xducer_dy 0 yearbase 2013 ================================================================== cd /home/data ln -s uhdas_data_archive/ron_brown/RB1307 . copy config, edit: mahrs=primary, posmv=hcorr_inst adcptree.py os75bb --datatype uhdas --cruisename RB1307 cd os75bb cat << EOF > q_py.cnt ####----- begin q_py.cnt------------ ## all lines after the first "#" sign are ignored --yearbase 2013 --cruisename RB1307 # used to identify configuration files # *must* match prefix of files in config dir --configtype python ## <=== USE THE NEW FILE WE CREATED --sonar os75bb --dbname aship --datatype uhdas --ens_len 300 --ping_headcorr ## applies heading correction. ## settings found in config files --proc_engine python ## use python to do calculations --max_search_depth 3000 #if the topography says the ocean is deeper # than this, do not autodetect the bottom. # (reduces likelihood of shallow scattering # layers being identified as the bottom) EOF (c) run quick_adcp.py: quick_adcp.py --cntfile q_py.cnt --auto ======================================================= (4) review the data (a) check calibration:heading correction device: figview.py cal/rotate/*png correct to gross posmv cd cal/rotate patch_hcorr.py - inspect the newhcorr*.png files: figview.py *.png - remove earlier time-dependent heading correction rotate unrotate.tmp - apply new heading correction rotate rotate_fixed.tmp - run navigation steps and inspect calibrations cd ../.. quick_adcp.py --steps2rerun navsteps:calib --auto (b) check calibration: adjust phase before editing: **watertrack** ------------ Number of edited points: 227 out of 232 amp = 1.0032 + -0.0001 (t - 376.4) phase = 0.48 + -0.0090 (t - 376.4) median mean std amplitude 1.0040 1.0032 0.0066 phase 0.5040 0.4808 0.3841 ------------ quick_adcp.py --steps2rerun rotate:navsteps:calib --rotate_angle 0.5 --rotate_amplitude 1.003 --auto **watertrack** ------------ Number of edited points: 227 out of 232 amp = 1.0002 + -0.0001 (t - 376.4) phase = -0.02 + -0.0090 (t - 376.4) median mean std amplitude 1.0010 1.0002 0.0065 phase 0.0120 -0.0200 0.3852 ------------ (5) edit "gautoedit" (go to "edit" directory with command line, type "gautoedit.py" # apply editing: cd .. quick_adcp.py --steps2rerun apply_edit:navsteps:calib --auto **watertrack** ------------ Number of edited points: 221 out of 227 amp = 1.0004 + -0.0001 (t - 376.4) phase = -0.02 + -0.0100 (t - 376.4) median mean std amplitude 1.0010 1.0004 0.0061 phase 0.0000 -0.0222 0.3783 ------------ make plots: quick_web.py --interactive - view with a browser, look at webpy/index.html (8) extract data adcp_nc.py adcpdb contour/os75bb RB1307 os75bb quick_adcp.py --steps2rerun matfiles --auto