*2026/01/16 09:57:57.40 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/11/26 22:27:12.000 END TIME : UTC 2024/11/26 22:27:38.200 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 132 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 39.45 2 Depth metres 0.15 39.31 3 Temperature 'deg C (ITS90)' 8.63 10.958 4 Conductivity S/m 1.95745 3.49592 5 Conductance:Specific S/m 2.91028 4.88467 6 Salinity PSS-78 17.47 31.12 7 Speed:Sound m/s 1463.32 1488.64 8 Density kg/m^3 1013.476 1023.972 $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 : 315 LATITUDE : 48 56.27860 N ! (deg min) LONGITUDE : 125 6.02410 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241126_222712 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:10 132 132 MERGEHDR 1.3 2026/01/16 09:54:13 132 132 HDREDIT2 3.2 2026/01/16 09:55:16 ? ? REMOVECH 8.2 2026/01/16 09:56:25 132 132 CALIB 12.1 2026/01/16 09:56:59 132 132 CLEAN 5.3 2026/01/16 09:57:57 132 132 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:16 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 09:56:25 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:59 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 8.630 1.95745 2.91028 17.47 1463.32 1013.476 0.45 0.45 8.738 1.99776 2.96073 17.81 1464.16 1013.729 0.75 0.75 9.414 2.53122 3.67765 22.64 1472.65 1017.410 1.05 1.05 9.502 2.97508 4.31141 26.98 1478.27 1020.780 1.35 1.35 9.640 3.05321 4.40705 27.66 1479.61 1021.289 1.65 1.65 9.821 3.11357 4.47077 28.12 1480.85 1021.623 1.95 1.95 9.910 3.18117 4.55624 28.73 1481.91 1022.082 2.25 2.25 10.040 3.19991 4.56603 28.81 1482.49 1022.128 2.55 2.55 10.163 3.25809 4.63278 29.29 1483.53 1022.484 2.85 2.85 10.264 3.29475 4.67160 29.57 1484.24 1022.690 3.15 3.15 10.356 3.32576 4.70324 29.81 1484.86 1022.857 3.45 3.45 10.447 3.33816 4.70866 29.85 1485.25 1022.881 3.75 3.75 10.518 3.34394 4.70739 29.85 1485.51 1022.870 4.05 4.05 10.563 3.34486 4.70272 29.83 1485.64 1022.842 4.35 4.34 10.601 3.34805 4.70224 29.83 1485.79 1022.838 4.65 4.64 10.633 3.35415 4.70650 29.86 1485.95 1022.860 4.95 4.94 10.658 3.36727 4.72158 29.97 1486.17 1022.942 5.25 5.24 10.678 3.37238 4.72614 30.00 1486.29 1022.966 5.55 5.54 10.698 3.37376 4.72545 30.00 1486.36 1022.962 5.85 5.84 10.717 3.37545 4.72527 30.00 1486.44 1022.961 6.15 6.14 10.727 3.37589 4.72459 30.00 1486.47 1022.958 6.45 6.44 10.733 3.37547 4.72325 29.99 1486.49 1022.951 6.75 6.74 10.738 3.37659 4.72405 29.99 1486.52 1022.956 7.05 7.04 10.743 3.37678 4.72368 29.99 1486.54 1022.955 7.35 7.33 10.753 3.37726 4.72299 29.99 1486.58 1022.952 7.65 7.63 10.764 3.38050 4.72613 30.01 1486.65 1022.969 7.95 7.93 10.773 3.39160 4.74040 30.11 1486.81 1023.048 8.25 8.23 10.785 3.40113 4.75217 30.20 1486.96 1023.113 8.55 8.53 10.801 3.40316 4.75291 30.20 1487.03 1023.117 8.85 8.83 10.813 3.40378 4.75220 30.20 1487.07 1023.113 9.15 9.13 10.819 3.40537 4.75355 30.21 1487.11 1023.121 9.45 9.43 10.828 3.40702 4.75474 30.22 1487.15 1023.128 9.75 9.73 10.834 3.41112 4.75958 30.25 1487.22 1023.156 10.05 10.02 10.842 3.41506 4.76408 30.29 1487.30 1023.181 10.35 10.32 10.850 3.41623 4.76458 30.29 1487.34 1023.184 10.65 10.62 10.861 3.41846 4.76633 30.30 1487.39 1023.194 10.95 10.92 10.868 3.42125 4.76928 30.33 1487.45 1023.211 11.25 11.22 10.870 3.42286 4.77119 30.34 1487.48 1023.222 11.55 11.52 10.874 3.42590 4.77484 30.37 1487.53 1023.243 11.85 11.82 10.881 3.42729 4.77589 30.37 1487.57 1023.250 12.15 12.12 10.887 3.42860 4.77691 30.38 1487.61 1023.256 12.45 12.42 10.893 3.42961 4.77755 30.39 1487.64 1023.260 12.75 12.71 10.902 3.43285 4.78080 30.41 1487.70 1023.279 13.05 13.01 10.909 3.43770 4.78674 30.45 1487.78 1023.312 13.35 13.31 10.909 3.44032 4.79030 30.48 1487.82 1023.333 13.65 13.61 10.916 3.44203 4.79174 30.49 1487.86 1023.341 13.95 13.91 10.926 3.44513 4.79481 30.51 1487.93 1023.359 14.25 14.21 10.927 3.44496 4.79438 30.51 1487.94 1023.358 14.55 14.51 10.928 3.44738 4.79763 30.53 1487.97 1023.377 14.85 14.81 10.934 3.44833 4.79813 30.53 1488.00 1023.380 15.15 15.10 10.939 3.44889 4.79827 30.54 1488.03 1023.382 15.45 15.40 10.942 3.44984 4.79924 30.54 1488.05 1023.388 15.75 15.70 10.943 3.44962 4.79868 30.54 1488.06 1023.386 16.05 16.00 10.945 3.45027 4.79940 30.54 1488.07 1023.391 16.35 16.30 10.946 3.45074 4.79995 30.55 1488.08 1023.395 16.65 16.60 10.947 3.45161 4.80103 30.56 1488.10 1023.402 16.95 16.90 10.949 3.45240 4.80182 30.56 1488.12 1023.408 17.25 17.20 10.950 3.45434 4.80440 30.58 1488.15 1023.423 17.55 17.50 10.951 3.45560 4.80604 30.59 1488.17 1023.433 17.85 17.79 10.951 3.45736 4.80843 30.61 1488.20 1023.448 18.15 18.09 10.952 3.45764 4.80865 30.61 1488.21 1023.450 18.45 18.39 10.953 3.45825 4.80934 30.61 1488.23 1023.455 18.75 18.69 10.955 3.45776 4.80848 30.61 1488.23 1023.452 19.05 18.99 10.956 3.45960 4.81092 30.63 1488.26 1023.466 19.35 19.29 10.956 3.46050 4.81216 30.63 1488.27 1023.474 19.65 19.59 10.955 3.46075 4.81256 30.64 1488.28 1023.478 19.95 19.89 10.955 3.46071 4.81262 30.64 1488.28 1023.479 20.25 20.18 10.956 3.46099 4.81288 30.64 1488.29 1023.482 20.55 20.48 10.956 3.46124 4.81317 30.64 1488.30 1023.485 20.85 20.78 10.957 3.46161 4.81358 30.64 1488.31 1023.488 21.15 21.08 10.956 3.46278 4.81530 30.66 1488.33 1023.499 21.45 21.38 10.957 3.46307 4.81561 30.66 1488.34 1023.502 21.75 21.68 10.957 3.46460 4.81776 30.67 1488.36 1023.515 22.05 21.98 10.955 3.46408 4.81721 30.67 1488.36 1023.513 22.35 22.28 10.950 3.46467 4.81869 30.68 1488.36 1023.523 22.65 22.58 10.952 3.46429 4.81796 30.67 1488.36 1023.520 22.95 22.87 10.949 3.46505 4.81942 30.68 1488.37 1023.530 23.25 23.17 10.951 3.46549 4.81970 30.69 1488.38 1023.532 23.55 23.47 10.953 3.46574 4.81979 30.69 1488.40 1023.534 23.85 23.77 10.952 3.46496 4.81886 30.68 1488.39 1023.530 24.15 24.07 10.955 3.46601 4.81986 30.69 1488.41 1023.537 24.45 24.37 10.956 3.46543 4.81902 30.68 1488.41 1023.533 24.75 24.67 10.952 3.46551 4.81962 30.68 1488.41 1023.538 25.05 24.97 10.954 3.46639 4.82060 30.69 1488.43 1023.545 25.35 25.26 10.954 3.46621 4.82029 30.69 1488.43 1023.544 25.65 25.56 10.956 3.46624 4.82009 30.69 1488.44 1023.544 25.95 25.86 10.957 3.46646 4.82030 30.69 1488.45 1023.547 26.25 26.16 10.958 3.46673 4.82049 30.69 1488.46 1023.549 26.55 26.46 10.958 3.46727 4.82124 30.70 1488.47 1023.554 26.85 26.76 10.958 3.46707 4.82104 30.69 1488.48 1023.555 27.15 27.06 10.957 3.46792 4.82232 30.70 1488.49 1023.563 27.45 27.36 10.956 3.46838 4.82304 30.71 1488.50 1023.568 27.75 27.65 10.957 3.46831 4.82290 30.71 1488.50 1023.569 28.05 27.95 10.957 3.46930 4.82426 30.72 1488.52 1023.577 28.35 28.25 10.955 3.46985 4.82533 30.72 1488.52 1023.585 28.65 28.55 10.953 3.47039 4.82631 30.73 1488.53 1023.591 28.95 28.85 10.951 3.47125 4.82776 30.74 1488.54 1023.601 29.25 29.15 10.950 3.47161 4.82833 30.74 1488.55 1023.605 29.55 29.45 10.948 3.47176 4.82893 30.75 1488.55 1023.610 29.85 29.75 10.946 3.47222 4.82971 30.75 1488.56 1023.616 30.15 30.05 10.944 3.47403 4.83258 30.77 1488.58 1023.633 30.45 30.34 10.943 3.47444 4.83325 30.78 1488.58 1023.638 30.75 30.64 10.940 3.47525 4.83479 30.79 1488.59 1023.648 31.05 30.94 10.937 3.47681 4.83739 30.81 1488.60 1023.664 31.35 31.24 10.933 3.47794 4.83945 30.82 1488.61 1023.677 31.65 31.54 10.927 3.48026 4.84349 30.85 1488.63 1023.701 31.95 31.84 10.922 3.48141 4.84585 30.86 1488.64 1023.715 32.25 32.14 10.915 3.48195 4.84747 30.87 1488.63 1023.726 32.55 32.44 10.908 3.48418 4.85149 30.90 1488.64 1023.750 32.85 32.73 10.899 3.48467 4.85339 30.91 1488.63 1023.763 33.15 33.03 10.892 3.48529 4.85519 30.93 1488.63 1023.774 33.45 33.33 10.886 3.48600 4.85700 30.94 1488.62 1023.786 33.75 33.63 10.872 3.48714 4.86054 30.96 1488.61 1023.808 34.05 33.93 10.858 3.48833 4.86406 30.98 1488.59 1023.830 34.35 34.23 10.849 3.48942 4.86684 31.00 1488.58 1023.847 34.65 34.53 10.844 3.49014 4.86853 31.01 1488.58 1023.858 34.95 34.82 10.837 3.49023 4.86959 31.02 1488.57 1023.866 35.25 35.12 10.833 3.49119 4.87151 31.03 1488.58 1023.878 35.55 35.42 10.831 3.49089 4.87129 31.03 1488.58 1023.878 35.85 35.72 10.831 3.49136 4.87203 31.04 1488.58 1023.883 36.15 36.02 10.830 3.49257 4.87386 31.05 1488.60 1023.895 36.45 36.32 10.825 3.49193 4.87364 31.05 1488.59 1023.895 36.75 36.62 10.813 3.49241 4.87586 31.06 1488.57 1023.910 37.05 36.92 10.807 3.49258 4.87699 31.07 1488.56 1023.918 37.35 37.21 10.803 3.49222 4.87697 31.07 1488.55 1023.919 37.65 37.51 10.808 3.49239 4.87658 31.07 1488.57 1023.918 37.95 37.81 10.810 3.49326 4.87745 31.07 1488.59 1023.924 38.25 38.11 10.811 3.49372 4.87800 31.08 1488.60 1023.928 38.55 38.41 10.811 3.49439 4.87895 31.08 1488.61 1023.934 38.85 38.71 10.801 3.49515 4.88131 31.10 1488.60 1023.949 39.15 39.01 10.788 3.49569 4.88396 31.11 1488.58 1023.966 39.45 39.31 10.785 3.49592 4.88467 31.12 1488.58 1023.972