*2026/01/16 09:57:56.20 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/10/16 21:10:33.000 END TIME : UTC 2024/10/16 21:11:01.200 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 142 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 42.54 2 Depth metres 0.15 42.34 3 Temperature 'deg C (ITS90)' 10.177 13.196 4 Conductivity S/m 2.6532 3.58225 5 Conductance:Specific S/m 3.47316 5.05024 6 Salinity PSS-78 21.53 32.22 7 Speed:Sound m/s 1484.97 1491.26 8 Density kg/m^3 1015.95 1024.943 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 7 F R4 2 2 -99 ' ' 7 F R4 2 3 -99 ' ' 8 F R4 3 4 -99 ' ' 10 F R4 5 5 -99 ' ' 10 F R4 5 6 -99 ' ' 7 F R4 2 7 -99 ' ' 8 F R4 2 8 -99 ' ' 9 F R4 3 $END *ADMINISTRATION MISSION : 2024-087 AGENCY : Pacific Biological Station COUNTRY : Canada PROJECT : PSSI SCIENTIST : Deeg C. PLATFORM : Other Vessel *LOCATION GEOGRAPHIC AREA : West Coast Vancouver Island EVENT NUMBER : 276 LATITUDE : 48 58.88610 N ! (deg min) LONGITUDE : 124 58.70040 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241016_211033 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:08 142 142 MERGEHDR 1.3 2026/01/16 09:54:09 142 142 HDREDIT2 3.2 2026/01/16 09:55:13 ? ? REMOVECH 8.2 2026/01/16 09:56:24 142 142 CALIB 12.1 2026/01/16 09:56:57 142 142 CLEAN 5.3 2026/01/16 09:57:56 142 142 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:13 Applied edit header: C:\Users\huntingtons\Desktop\Misc_Projects\Castaway\castaway2023_HDR.txt Channel 2: Depth [metres] Format: F10.6 ==> F7.2 Channel 3: Temperature [deg C (ITS90)] Format: F14.6 ==> F8.3 Channel 4: Conductivity [mS/cm] Units: ms/cm ==> mS/cm Format: F14.6 ==> F9.1 Channel 5: Conductance:Specific [mS/cm] Name: Specific Conductance ==> Conductance:Specific Units: ms/cm ==> mS/cm Format: F14.6 ==> F9.1 Channel 6: Salinity [PSS-78] Format: F14.6 ==> F7.2 Channel 7: Speed:Sound [m/s] Name: Sound Velocity ==> Speed:Sound Format: F14.6 ==> F8.2 Channel 8: Density [kg/m^3] Format: F14.6 ==> F9.3 -REMOVECH 2026/01/16 09:56:24 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:57 Calibration type = Correct Mode: ONLY - calibration specs from Cal File only. Calibration file = C:\Users\huntingtons\Desktop\Misc_Projects\Castaway\recal-cond.CCF Calibrations applied: Ch Name Units Fmla Coefficents -- ----------------------------- --------- --- ----------------------------- 4 Conductivity S/m 10 0.0000000E+00 0.1000000E-03 5 Conductance:Specific S/m 10 0.0000000E+00 0.1000000E-03 -CLEAN functions: 2026/01/16 09:57:46 20 Reset #RECS, MIN & MAX values in header. Set header Start and End times from the data. $END *COMMENTS Data Processing Notes: The CastAway-CTD is a small profiling instrument that measures conductivity, temperature, and pressure. Its embedded firmware controls all of the instrument's functions. It is designed for profiling to depths of up to 100m at 5 Hz. It uses a six electrode flow-through conductivity cell with zero external field coupled with a rapid response thermistor (<5Hz) to attain high measurement accuracies. The instrument does not require a pump and is hydrodynamically designed to free fall rate of 1 m/s. Processing was done using the CastAway CTD data processing system which included the following steps: - Pressure correction to remove ambient atmospheric pressure. - Removal of records obtained while the system was stationary. - De-spiking of conductivity data to remove erratic measurements near the water surface that can be caused by air bubbles trapped in the conductivity flow cell. - Bin-averaging with 0.3db bins with linear interpolation used to fill empty bins or the nearest available value for surface or bottom bins. - Combination of downcast and upcast data using a weighted average based on fall velocity. - Derivation of specific conductance, salinity, sound speed, density and depth for each pressure bin. The data were converted to IOS Header format. Calibration dates were taken from the original data file header: % Samples per second,5 % Electronics calibration date,0001-01-01 % Conductivity calibration date,2020-03-13 % Temperature calibration date,2020-03-12 % Pressure calibration date,2020-03-04 % *CALIBRATION $TABLE: CORRECTED CHANNELS ! Name Units Fmla Pad Coefficients ! ---------------------- ----- ---- ------ ------------ Conductivity S/m 10 -99 () (0 0.1E-03) Conductance:Specific S/m 10 -99 () (0 0.1E-03) $END !--1--- --2--- ---3--- ----4---- ----5---- --6--- ---7--- ---8---- !Pressu Depth Tempera Conductiv Conductan Salini Speed: Density !re ture ity ce: ty Sound ! Specific !------ ------ ------- --------- --------- ------ ------- -------- *END OF HEADER 0.15 0.15 13.196 2.65320 3.47316 21.53 1484.97 1015.950 0.45 0.45 12.871 2.76155 3.64595 22.69 1485.22 1016.903 0.75 0.75 12.751 3.04651 4.03498 25.36 1487.96 1018.989 1.05 1.05 12.597 3.20055 4.25642 26.89 1489.24 1020.200 1.35 1.35 12.534 3.29229 4.38576 27.79 1490.10 1020.909 1.65 1.65 12.525 3.34074 4.45134 28.25 1490.62 1021.267 1.95 1.95 12.488 3.35282 4.47185 28.39 1490.66 1021.384 2.25 2.25 12.415 3.37751 4.51353 28.68 1490.76 1021.621 2.55 2.55 12.348 3.40596 4.55971 29.00 1490.91 1021.881 2.85 2.85 12.278 3.42120 4.58882 29.20 1490.91 1022.050 3.15 3.15 12.204 3.44663 4.63201 29.49 1491.01 1022.295 3.45 3.45 12.100 3.48146 4.69195 29.91 1491.15 1022.636 3.75 3.75 12.035 3.50458 4.73146 30.18 1491.26 1022.861 4.05 4.04 11.945 3.51529 4.75747 30.36 1491.16 1023.015 4.35 4.34 11.795 3.53010 4.79700 30.62 1490.96 1023.249 4.65 4.64 11.688 3.54005 4.82452 30.81 1490.81 1023.412 4.95 4.94 11.624 3.54543 4.84030 30.91 1490.72 1023.507 5.25 5.24 11.570 3.54704 4.84969 30.97 1490.61 1023.565 5.55 5.54 11.507 3.54808 4.85946 31.03 1490.47 1023.626 5.85 5.84 11.476 3.54992 4.86608 31.08 1490.42 1023.667 6.15 6.14 11.424 3.55382 4.87841 31.16 1490.34 1023.741 6.45 6.43 11.373 3.56036 4.89423 31.27 1490.29 1023.834 6.75 6.73 11.324 3.56571 4.90821 31.36 1490.24 1023.917 7.05 7.03 11.275 3.56963 4.92020 31.44 1490.17 1023.989 7.35 7.33 11.224 3.57128 4.92944 31.50 1490.06 1024.046 7.65 7.63 11.196 3.57189 4.93408 31.53 1490.01 1024.075 7.95 7.93 11.173 3.57299 4.93869 31.56 1489.97 1024.104 8.25 8.23 11.150 3.57331 4.94237 31.58 1489.92 1024.127 8.55 8.53 11.132 3.57465 4.94662 31.61 1489.89 1024.154 8.85 8.82 11.123 3.57491 4.94829 31.62 1489.88 1024.165 9.15 9.12 11.114 3.57599 4.95102 31.64 1489.87 1024.182 9.45 9.42 11.099 3.57730 4.95485 31.67 1489.86 1024.206 9.75 9.72 11.075 3.57957 4.96124 31.71 1489.83 1024.244 10.05 10.02 11.042 3.58114 4.96799 31.75 1489.77 1024.286 10.35 10.32 11.014 3.58156 4.97241 31.78 1489.71 1024.314 10.65 10.62 10.996 3.58225 4.97594 31.80 1489.68 1024.336 10.95 10.91 10.980 3.58173 4.97743 31.81 1489.64 1024.347 11.25 11.21 10.967 3.58151 4.97893 31.82 1489.61 1024.358 11.55 11.51 10.949 3.58144 4.98135 31.84 1489.57 1024.374 11.85 11.81 10.928 3.58090 4.98349 31.85 1489.51 1024.389 12.15 12.11 10.911 3.58006 4.98464 31.85 1489.46 1024.398 12.45 12.41 10.888 3.57969 4.98735 31.87 1489.41 1024.416 12.75 12.70 10.872 3.57973 4.98952 31.88 1489.37 1024.430 13.05 13.00 10.849 3.57923 4.99205 31.90 1489.32 1024.448 13.35 13.30 10.836 3.57811 4.99229 31.90 1489.27 1024.451 13.65 13.60 10.830 3.57791 4.99294 31.90 1489.26 1024.457 13.95 13.90 10.826 3.57800 4.99359 31.91 1489.26 1024.462 14.25 14.20 10.820 3.57772 4.99403 31.91 1489.24 1024.466 14.55 14.50 10.818 3.57750 4.99396 31.91 1489.24 1024.467 14.85 14.79 10.819 3.57746 4.99379 31.91 1489.25 1024.467 15.15 15.09 10.816 3.57730 4.99397 31.91 1489.24 1024.470 15.45 15.39 10.811 3.57754 4.99497 31.91 1489.24 1024.477 15.75 15.69 10.807 3.57759 4.99559 31.92 1489.23 1024.482 16.05 15.99 10.804 3.57721 4.99558 31.92 1489.23 1024.483 16.35 16.29 10.801 3.57692 4.99563 31.92 1489.22 1024.485 16.65 16.59 10.796 3.57699 4.99641 31.92 1489.21 1024.491 16.95 16.88 10.789 3.57721 4.99766 31.93 1489.20 1024.500 17.25 17.18 10.773 3.57734 5.00004 31.94 1489.17 1024.516 17.55 17.48 10.761 3.57721 5.00152 31.95 1489.14 1024.526 17.85 17.78 10.757 3.57692 5.00173 31.95 1489.13 1024.529 18.15 18.08 10.747 3.57707 5.00330 31.96 1489.12 1024.539 18.45 18.38 10.740 3.57665 5.00373 31.97 1489.10 1024.544 18.75 18.68 10.733 3.57697 5.00508 31.98 1489.09 1024.553 19.05 18.97 10.720 3.57670 5.00656 31.98 1489.06 1024.563 19.35 19.27 10.708 3.57667 5.00828 31.99 1489.03 1024.575 19.65 19.57 10.696 3.57639 5.00949 32.00 1489.00 1024.584 19.95 19.87 10.678 3.57635 5.01198 32.02 1488.96 1024.600 20.25 20.17 10.673 3.57579 5.01190 32.02 1488.95 1024.602 20.55 20.47 10.659 3.57551 5.01352 32.03 1488.91 1024.613 20.85 20.76 10.646 3.57553 5.01538 32.04 1488.89 1024.625 21.15 21.06 10.634 3.57504 5.01628 32.04 1488.86 1024.632 21.45 21.36 10.625 3.57475 5.01720 32.05 1488.84 1024.640 21.75 21.66 10.613 3.57411 5.01797 32.05 1488.80 1024.646 22.05 21.96 10.599 3.57364 5.01937 32.06 1488.77 1024.656 22.35 22.26 10.589 3.57360 5.02072 32.07 1488.74 1024.666 22.65 22.56 10.583 3.57264 5.02009 32.06 1488.72 1024.664 22.95 22.85 10.576 3.57339 5.02219 32.08 1488.72 1024.677 23.25 23.15 10.571 3.57285 5.02220 32.08 1488.70 1024.679 23.55 23.45 10.567 3.57285 5.02272 32.08 1488.70 1024.683 23.85 23.75 10.563 3.57237 5.02257 32.08 1488.69 1024.684 24.15 24.05 10.560 3.57274 5.02352 32.08 1488.69 1024.691 24.45 24.35 10.556 3.57214 5.02327 32.08 1488.68 1024.691 24.75 24.64 10.552 3.57235 5.02405 32.09 1488.68 1024.697 25.05 24.94 10.548 3.57152 5.02355 32.08 1488.66 1024.696 25.35 25.24 10.544 3.57177 5.02449 32.09 1488.66 1024.703 25.65 25.54 10.542 3.57161 5.02449 32.09 1488.66 1024.704 25.95 25.84 10.541 3.57116 5.02396 32.08 1488.65 1024.702 26.25 26.14 10.539 3.57119 5.02436 32.09 1488.65 1024.706 26.55 26.44 10.536 3.57151 5.02516 32.09 1488.66 1024.712 26.85 26.73 10.533 3.57126 5.02534 32.09 1488.65 1024.714 27.15 27.03 10.532 3.57149 5.02568 32.09 1488.66 1024.717 27.45 27.33 10.529 3.57133 5.02593 32.09 1488.65 1024.720 27.75 27.63 10.522 3.57075 5.02613 32.10 1488.63 1024.723 28.05 27.93 10.517 3.57076 5.02684 32.10 1488.62 1024.729 28.35 28.23 10.514 3.57034 5.02660 32.10 1488.62 1024.729 28.65 28.52 10.510 3.56980 5.02654 32.10 1488.60 1024.730 28.95 28.82 10.505 3.57040 5.02809 32.11 1488.60 1024.740 29.25 29.12 10.495 3.56962 5.02831 32.11 1488.57 1024.744 29.55 29.42 10.486 3.56915 5.02897 32.11 1488.55 1024.749 29.85 29.72 10.476 3.56885 5.02995 32.12 1488.52 1024.757 30.15 30.02 10.469 3.56840 5.03034 32.12 1488.51 1024.760 30.45 30.31 10.457 3.56795 5.03134 32.12 1488.48 1024.768 30.75 30.61 10.447 3.56752 5.03213 32.13 1488.45 1024.775 31.05 30.91 10.442 3.56746 5.03288 32.13 1488.44 1024.780 31.35 31.21 10.426 3.56625 5.03342 32.13 1488.39 1024.786 31.65 31.51 10.407 3.56549 5.03506 32.14 1488.34 1024.797 31.95 31.81 10.393 3.56448 5.03557 32.14 1488.30 1024.802 32.25 32.11 10.389 3.56452 5.03622 32.15 1488.29 1024.808 32.55 32.40 10.386 3.56411 5.03604 32.15 1488.28 1024.808 32.85 32.70 10.380 3.56345 5.03597 32.15 1488.27 1024.809 33.15 33.00 10.377 3.56372 5.03671 32.15 1488.27 1024.815 33.45 33.30 10.376 3.56396 5.03729 32.15 1488.27 1024.820 33.75 33.60 10.375 3.56361 5.03695 32.15 1488.27 1024.819 34.05 33.90 10.374 3.56375 5.03726 32.15 1488.27 1024.822 34.35 34.19 10.374 3.56405 5.03762 32.16 1488.28 1024.825 34.65 34.49 10.372 3.56330 5.03687 32.15 1488.27 1024.823 34.95 34.79 10.369 3.56348 5.03752 32.15 1488.27 1024.828 35.25 35.09 10.365 3.56296 5.03738 32.15 1488.26 1024.828 35.55 35.39 10.356 3.56332 5.03923 32.16 1488.25 1024.840 35.85 35.69 10.352 3.56263 5.03884 32.16 1488.23 1024.840 36.15 35.98 10.346 3.56216 5.03901 32.16 1488.22 1024.843 36.45 36.28 10.334 3.56100 5.03902 32.16 1488.18 1024.845 36.75 36.58 10.326 3.56047 5.03945 32.16 1488.16 1024.849 37.05 36.88 10.318 3.56098 5.04133 32.17 1488.15 1024.861 37.35 37.18 10.310 3.56056 5.04189 32.18 1488.13 1024.866 37.65 37.48 10.295 3.55984 5.04293 32.18 1488.09 1024.874 37.95 37.77 10.280 3.55826 5.04287 32.18 1488.03 1024.876 38.25 38.07 10.272 3.55649 5.04155 32.17 1488.00 1024.871 38.55 38.37 10.262 3.55589 5.04214 32.17 1487.97 1024.876 38.85 38.67 10.242 3.55543 5.04427 32.18 1487.92 1024.890 39.15 38.97 10.229 3.55456 5.04500 32.19 1487.88 1024.896 39.45 39.27 10.212 3.55369 5.04608 32.19 1487.83 1024.905 39.75 39.57 10.201 3.55375 5.04778 32.20 1487.81 1024.916 40.05 39.86 10.193 3.55390 5.04920 32.21 1487.79 1024.926 40.35 40.16 10.189 3.55405 5.04990 32.22 1487.79 1024.931 40.65 40.46 10.187 3.55357 5.04950 32.21 1487.78 1024.930 40.95 40.76 10.185 3.55383 5.05016 32.22 1487.79 1024.935 41.25 41.06 10.185 3.55315 5.04923 32.21 1487.78 1024.932 41.55 41.36 10.183 3.55303 5.04936 32.21 1487.78 1024.934 41.85 41.65 10.181 3.55293 5.04954 32.21 1487.78 1024.936 42.15 41.95 10.179 3.55232 5.04890 32.21 1487.77 1024.934 42.54 42.34 10.177 3.55303 5.05024 32.22 1487.78 1024.943