*2026/01/16 09:57:48.17 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/02/16 00:39:39.000 END TIME : UTC 2024/02/16 00:39:59.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 105 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 31.24 2 Depth metres 0.15 31.15 3 Temperature 'deg C (ITS90)' 8.654 9.966 4 Conductivity S/m 2.69825 3.34215 5 Conductance:Specific S/m 4.00884 4.78448 6 Salinity PSS-78 24.81 30.31 7 Speed:Sound m/s 1472.41 1484.38 8 Density kg/m^3 1019.205 1023.451 $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 : 58 LATITUDE : 48 53.09230 N ! (deg min) LONGITUDE : 125 7.03080 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240216_003939 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:56 105 105 MERGEHDR 1.3 2026/01/16 09:53:47 105 105 HDREDIT2 3.2 2026/01/16 09:55:02 ? ? REMOVECH 8.2 2026/01/16 09:56:14 105 105 CALIB 12.1 2026/01/16 09:56:46 105 105 CLEAN 5.3 2026/01/16 09:57:48 105 105 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:02 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 09:56:14 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:46 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 8.657 2.70053 4.01181 24.83 1472.44 1019.219 0.45 0.45 8.654 2.69825 4.00884 24.81 1472.41 1019.205 0.75 0.75 8.664 2.70014 4.01038 24.83 1472.47 1019.214 1.05 1.05 8.675 2.70317 4.01364 24.85 1472.54 1019.232 1.35 1.35 8.680 2.70393 4.01417 24.85 1472.57 1019.236 1.65 1.65 8.687 2.70664 4.01731 24.87 1472.63 1019.253 1.95 1.95 8.689 2.70853 4.01990 24.89 1472.67 1019.268 2.25 2.25 8.693 2.70863 4.01961 24.89 1472.68 1019.268 2.55 2.55 8.695 2.71120 4.02314 24.92 1472.73 1019.288 2.85 2.85 8.698 2.71303 4.02547 24.93 1472.76 1019.301 3.15 3.15 8.701 2.71328 4.02555 24.93 1472.78 1019.303 3.45 3.45 8.706 2.71552 4.02829 24.95 1472.83 1019.319 3.75 3.75 8.710 2.71735 4.03054 24.97 1472.86 1019.332 4.05 4.05 8.717 2.71869 4.03163 24.97 1472.91 1019.339 4.35 4.35 8.742 2.72171 4.03308 24.99 1473.02 1019.346 4.65 4.65 8.788 2.73360 4.04521 25.08 1473.31 1019.410 4.95 4.95 9.034 2.83383 4.16326 25.91 1475.27 1020.029 5.25 5.25 9.282 2.95393 4.30823 26.93 1477.46 1020.794 5.55 5.55 9.486 3.09841 4.49230 28.23 1479.80 1021.778 5.85 5.85 9.591 3.19487 4.61801 29.12 1481.28 1022.455 6.15 6.15 9.794 3.23589 4.65008 29.37 1482.33 1022.619 6.45 6.45 9.878 3.24913 4.65780 29.43 1482.72 1022.656 6.75 6.75 9.870 3.25452 4.66665 29.49 1482.77 1022.706 7.05 7.05 9.818 3.26174 4.68398 29.61 1482.73 1022.806 7.35 7.34 9.865 3.26608 4.68393 29.61 1482.91 1022.804 7.65 7.64 9.897 3.26803 4.68242 29.61 1483.02 1022.795 7.95 7.94 9.917 3.26907 4.68115 29.60 1483.09 1022.788 8.25 8.24 9.932 3.26975 4.68019 29.59 1483.15 1022.783 8.55 8.54 9.941 3.27172 4.68174 29.61 1483.20 1022.792 8.85 8.84 9.948 3.27550 4.68629 29.64 1483.27 1022.818 9.15 9.14 9.959 3.27682 4.68665 29.64 1483.32 1022.820 9.45 9.44 9.966 3.27778 4.68708 29.65 1483.35 1022.823 9.75 9.74 9.963 3.27786 4.68765 29.65 1483.35 1022.828 10.05 10.04 9.942 3.27671 4.68877 29.65 1483.29 1022.836 10.35 10.33 9.923 3.27454 4.68819 29.65 1483.21 1022.836 10.65 10.63 9.902 3.27222 4.68771 29.64 1483.13 1022.836 10.95 10.93 9.877 3.27131 4.68973 29.65 1483.06 1022.850 11.25 11.23 9.861 3.27085 4.69126 29.66 1483.02 1022.861 11.55 11.53 9.851 3.27078 4.69254 29.67 1482.99 1022.869 11.85 11.83 9.845 3.27047 4.69288 29.67 1482.98 1022.873 12.15 12.13 9.841 3.27076 4.69386 29.68 1482.98 1022.880 12.45 12.43 9.838 3.27092 4.69451 29.68 1482.98 1022.885 12.75 12.73 9.836 3.27141 4.69547 29.69 1482.98 1022.891 13.05 13.02 9.833 3.27279 4.69788 29.70 1482.99 1022.906 13.35 13.32 9.832 3.27331 4.69877 29.71 1483.00 1022.912 13.65 13.62 9.831 3.27508 4.70141 29.73 1483.03 1022.928 13.95 13.92 9.830 3.27655 4.70365 29.74 1483.05 1022.942 14.25 14.22 9.830 3.27959 4.70805 29.77 1483.09 1022.967 14.55 14.52 9.830 3.28003 4.70865 29.78 1483.10 1022.971 14.85 14.82 9.829 3.28021 4.70904 29.78 1483.10 1022.975 15.15 15.12 9.828 3.28008 4.70897 29.78 1483.11 1022.976 15.45 15.42 9.828 3.28031 4.70936 29.78 1483.11 1022.979 15.75 15.72 9.828 3.28098 4.71019 29.79 1483.13 1022.985 16.05 16.01 9.831 3.28150 4.71056 29.79 1483.15 1022.988 16.35 16.31 9.833 3.28167 4.71061 29.79 1483.16 1022.990 16.65 16.61 9.834 3.28289 4.71222 29.80 1483.18 1023.000 16.95 16.91 9.835 3.28356 4.71309 29.81 1483.19 1023.006 17.25 17.21 9.836 3.28366 4.71304 29.81 1483.20 1023.006 17.55 17.51 9.841 3.28707 4.71720 29.84 1483.26 1023.030 17.85 17.81 9.847 3.29198 4.72346 29.88 1483.34 1023.065 18.15 18.11 9.858 3.29532 4.72679 29.91 1483.42 1023.084 18.45 18.41 9.866 3.29579 4.72641 29.91 1483.45 1023.083 18.75 18.70 9.873 3.29659 4.72662 29.91 1483.48 1023.085 19.05 19.00 9.876 3.29832 4.72859 29.92 1483.52 1023.096 19.35 19.30 9.881 3.29970 4.72994 29.93 1483.55 1023.105 19.65 19.60 9.885 3.30119 4.73149 29.94 1483.59 1023.114 19.95 19.90 9.888 3.30217 4.73260 29.95 1483.61 1023.121 20.25 20.20 9.892 3.30410 4.73477 29.97 1483.65 1023.134 20.55 20.50 9.896 3.30451 4.73481 29.97 1483.67 1023.136 20.85 20.80 9.900 3.30459 4.73443 29.96 1483.68 1023.135 21.15 21.10 9.903 3.30536 4.73501 29.97 1483.71 1023.139 21.45 21.40 9.912 3.31620 4.74940 30.07 1483.87 1023.218 21.75 21.69 9.927 3.32195 4.75559 30.12 1483.98 1023.252 22.05 21.99 9.933 3.32417 4.75797 30.13 1484.03 1023.266 22.35 22.29 9.934 3.32508 4.75911 30.14 1484.05 1023.274 22.65 22.59 9.934 3.32636 4.76093 30.15 1484.07 1023.285 22.95 22.89 9.935 3.32770 4.76267 30.17 1484.09 1023.296 23.25 23.19 9.937 3.33065 4.76664 30.19 1484.14 1023.318 23.55 23.49 9.944 3.33227 4.76803 30.20 1484.18 1023.327 23.85 23.79 9.950 3.33220 4.76716 30.20 1484.20 1023.323 24.15 24.08 9.950 3.33293 4.76811 30.21 1484.22 1023.329 24.45 24.38 9.950 3.33336 4.76869 30.21 1484.23 1023.334 24.75 24.68 9.950 3.33350 4.76891 30.21 1484.23 1023.336 25.05 24.98 9.950 3.33314 4.76848 30.21 1484.23 1023.335 25.35 25.28 9.948 3.33273 4.76808 30.20 1484.23 1023.334 25.65 25.58 9.944 3.33231 4.76810 30.20 1484.22 1023.336 25.95 25.88 9.942 3.33224 4.76821 30.20 1484.22 1023.338 26.25 26.18 9.942 3.33248 4.76860 30.21 1484.22 1023.341 26.55 26.48 9.942 3.33305 4.76946 30.21 1484.23 1023.347 26.85 26.77 9.940 3.33330 4.76996 30.22 1484.24 1023.352 27.15 27.07 9.939 3.33411 4.77133 30.23 1484.25 1023.360 27.45 27.37 9.938 3.33461 4.77224 30.23 1484.26 1023.367 27.75 27.67 9.936 3.33585 4.77427 30.25 1484.27 1023.379 28.05 27.97 9.932 3.33691 4.77624 30.26 1484.28 1023.392 28.35 28.27 9.930 3.33721 4.77703 30.26 1484.28 1023.397 28.65 28.57 9.932 3.33764 4.77739 30.27 1484.30 1023.400 28.95 28.87 9.932 3.33807 4.77790 30.27 1484.31 1023.404 29.25 29.17 9.932 3.33799 4.77791 30.27 1484.31 1023.406 29.55 29.46 9.930 3.33844 4.77870 30.28 1484.32 1023.411 29.85 29.76 9.925 3.33919 4.78049 30.29 1484.32 1023.423 30.15 30.06 9.923 3.33996 4.78196 30.30 1484.33 1023.432 30.45 30.36 9.923 3.34076 4.78310 30.30 1484.34 1023.440 30.75 30.66 9.923 3.34082 4.78314 30.31 1484.35 1023.441 31.05 30.96 9.926 3.34139 4.78352 30.31 1484.37 1023.445 31.24 31.15 9.927 3.34215 4.78448 30.31 1484.38 1023.451