*2026/01/16 09:57:53.66 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/08/14 18:37:29.000 END TIME : UTC 2024/08/14 18:37:53.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 125 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 37.39 2 Depth metres 0.15 37.26 3 Temperature 'deg C (ITS90)' 9.709 20.299 4 Conductivity S/m 2.07745 3.58933 5 Conductance:Specific S/m 2.29677 5.04397 6 Salinity PSS-78 13.84 32.11 7 Speed:Sound m/s 1485.87 1503.22 8 Density kg/m^3 1008.649 1024.916 $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 : 203 LATITUDE : 49 10.76650 N ! (deg min) LONGITUDE : 124 49.50530 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240814_183729 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:04 125 125 MERGEHDR 1.3 2026/01/16 09:54:00 125 125 HDREDIT2 3.2 2026/01/16 09:55:09 ? ? REMOVECH 8.2 2026/01/16 09:56:20 125 125 CALIB 12.1 2026/01/16 09:56:53 125 125 CLEAN 5.3 2026/01/16 09:57:53 125 125 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:09 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 09:56:20 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:53 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 20.299 2.14594 2.36864 14.31 1499.33 1008.985 0.45 0.45 20.247 2.12464 2.34784 14.17 1499.03 1008.894 0.75 0.76 20.243 2.10329 2.32442 14.02 1498.86 1008.780 1.05 1.06 20.259 2.08210 2.30023 13.86 1498.73 1008.657 1.35 1.36 20.225 2.07745 2.29677 13.84 1498.61 1008.649 1.65 1.67 20.128 2.28287 2.52930 15.37 1500.04 1009.834 1.95 1.97 20.005 2.37643 2.64017 16.11 1500.50 1010.422 2.25 2.27 19.889 2.48494 2.76784 16.96 1501.11 1011.097 2.55 2.57 19.554 2.70093 3.03106 18.73 1502.10 1012.519 2.85 2.88 19.268 2.85664 3.22656 20.06 1502.74 1013.593 3.15 3.18 18.960 2.99379 3.40511 21.28 1503.20 1014.591 3.45 3.48 18.556 3.10530 3.56475 22.37 1503.22 1015.516 3.75 3.78 18.199 3.19519 3.69823 23.29 1503.19 1016.296 4.05 4.08 17.535 3.29462 3.87284 24.48 1502.53 1017.359 4.35 4.38 16.591 3.39583 4.08245 25.91 1501.25 1018.663 4.65 4.68 15.887 3.50156 4.28201 27.28 1500.62 1019.867 4.95 4.98 15.213 3.56033 4.42687 28.27 1499.62 1020.768 5.25 5.28 14.612 3.57994 4.51876 28.88 1498.39 1021.365 5.55 5.58 14.090 3.58420 4.58449 29.31 1497.19 1021.804 5.85 5.88 13.590 3.58933 4.65058 29.74 1496.05 1022.237 6.15 6.18 13.141 3.58821 4.70386 30.08 1494.95 1022.590 6.45 6.48 12.811 3.58563 4.74158 30.32 1494.12 1022.839 6.75 6.78 12.564 3.58430 4.77091 30.51 1493.51 1023.031 7.05 7.08 12.296 3.58313 4.80362 30.72 1492.85 1023.243 7.35 7.37 11.759 3.57186 4.85843 31.05 1491.40 1023.603 7.65 7.67 11.466 3.56498 4.88805 31.23 1490.60 1023.796 7.95 7.97 11.349 3.56121 4.89867 31.29 1490.27 1023.867 8.25 8.27 11.279 3.55957 4.90584 31.34 1490.08 1023.914 8.55 8.57 11.187 3.55825 4.91653 31.40 1489.84 1023.983 8.85 8.87 11.157 3.55814 4.92044 31.43 1489.77 1024.008 9.15 9.17 11.144 3.55817 4.92215 31.44 1489.74 1024.020 9.45 9.46 11.139 3.55775 4.92232 31.44 1489.73 1024.023 9.75 9.76 11.087 3.55521 4.92589 31.46 1489.57 1024.048 10.05 10.06 11.055 3.55421 4.92894 31.48 1489.48 1024.069 10.35 10.36 11.019 3.55312 4.93227 31.50 1489.39 1024.092 10.65 10.66 10.992 3.55190 4.93428 31.51 1489.31 1024.107 10.95 10.96 10.967 3.55125 4.93675 31.52 1489.24 1024.124 11.25 11.26 10.954 3.55196 4.93957 31.54 1489.22 1024.141 11.55 11.56 10.950 3.55157 4.93966 31.54 1489.21 1024.144 11.85 11.85 10.919 3.54941 4.94079 31.54 1489.12 1024.154 12.15 12.15 10.881 3.54840 4.94464 31.57 1489.01 1024.179 12.45 12.45 10.810 3.54580 4.95084 31.60 1488.81 1024.221 12.75 12.75 10.762 3.54180 4.95191 31.60 1488.64 1024.232 13.05 13.05 10.673 3.53880 4.96012 31.65 1488.39 1024.285 13.35 13.35 10.624 3.53767 4.96524 31.68 1488.26 1024.319 13.65 13.65 10.606 3.53844 4.96882 31.71 1488.23 1024.341 13.95 13.94 10.605 3.53824 4.96875 31.70 1488.23 1024.342 14.25 14.24 10.592 3.53801 4.97018 31.71 1488.20 1024.352 14.55 14.54 10.584 3.53770 4.97087 31.72 1488.18 1024.358 14.85 14.84 10.570 3.53671 4.97144 31.72 1488.13 1024.363 15.15 15.14 10.563 3.53689 4.97270 31.73 1488.12 1024.372 15.45 15.44 10.554 3.53639 4.97320 31.73 1488.10 1024.377 15.75 15.74 10.553 3.53612 4.97302 31.73 1488.10 1024.377 16.05 16.03 10.543 3.53602 4.97426 31.73 1488.08 1024.386 16.35 16.33 10.537 3.53516 4.97391 31.73 1488.06 1024.386 16.65 16.63 10.502 3.53389 4.97705 31.75 1487.96 1024.407 16.95 16.93 10.490 3.53397 4.97887 31.76 1487.93 1024.419 17.25 17.23 10.460 3.53171 4.97978 31.76 1487.84 1024.428 17.55 17.53 10.425 3.53093 4.98371 31.79 1487.74 1024.453 17.85 17.82 10.385 3.52942 4.98719 31.81 1487.63 1024.477 18.15 18.12 10.365 3.52936 4.98992 31.82 1487.58 1024.494 18.45 18.42 10.355 3.52923 4.99114 31.83 1487.56 1024.503 18.75 18.72 10.332 3.52800 4.99259 31.84 1487.49 1024.514 19.05 19.02 10.307 3.52620 4.99362 31.84 1487.41 1024.523 19.35 19.32 10.272 3.52483 4.99667 31.86 1487.31 1024.543 19.65 19.62 10.255 3.52472 4.99890 31.87 1487.27 1024.558 19.95 19.91 10.245 3.52400 4.99930 31.87 1487.24 1024.562 20.25 20.21 10.239 3.52423 5.00040 31.88 1487.23 1024.570 20.55 20.51 10.231 3.52356 5.00063 31.88 1487.21 1024.573 20.85 20.81 10.223 3.52320 5.00126 31.88 1487.19 1024.578 21.15 21.11 10.229 3.52337 5.00067 31.88 1487.21 1024.576 21.45 21.41 10.215 3.52219 5.00093 31.88 1487.17 1024.580 21.75 21.71 10.197 3.52181 5.00300 31.89 1487.12 1024.594 22.05 22.00 10.178 3.52072 5.00421 31.90 1487.06 1024.603 22.35 22.30 10.168 3.52018 5.00478 31.90 1487.04 1024.608 22.65 22.60 10.149 3.51934 5.00631 31.91 1486.98 1024.619 22.95 22.90 10.133 3.51960 5.00902 31.93 1486.95 1024.636 23.25 23.20 10.132 3.51939 5.00874 31.92 1486.95 1024.636 23.55 23.50 10.123 3.51928 5.00990 31.93 1486.93 1024.644 23.85 23.79 10.112 3.51889 5.01097 31.94 1486.90 1024.652 24.15 24.09 10.108 3.51870 5.01120 31.94 1486.90 1024.655 24.45 24.39 10.102 3.51833 5.01160 31.94 1486.88 1024.659 24.75 24.69 10.092 3.51817 5.01283 31.95 1486.86 1024.667 25.05 24.99 10.088 3.51769 5.01260 31.95 1486.85 1024.668 25.35 25.29 10.077 3.51741 5.01381 31.95 1486.82 1024.676 25.65 25.59 10.068 3.51724 5.01485 31.96 1486.80 1024.684 25.95 25.88 10.059 3.51662 5.01529 31.96 1486.77 1024.688 26.25 26.18 10.045 3.51659 5.01719 31.97 1486.74 1024.701 26.55 26.48 10.044 3.51619 5.01680 31.97 1486.74 1024.700 26.85 26.78 10.026 3.51620 5.01940 31.99 1486.70 1024.717 27.15 27.08 10.013 3.51508 5.01971 31.99 1486.66 1024.721 27.45 27.38 10.008 3.51544 5.02089 31.99 1486.65 1024.729 27.75 27.67 10.000 3.51473 5.02103 31.99 1486.63 1024.731 28.05 27.97 9.994 3.51446 5.02148 32.00 1486.62 1024.735 28.35 28.27 9.984 3.51440 5.02280 32.00 1486.59 1024.745 28.65 28.57 9.974 3.51393 5.02369 32.01 1486.57 1024.751 28.95 28.87 9.960 3.51279 5.02398 32.01 1486.52 1024.755 29.25 29.17 9.948 3.51235 5.02515 32.01 1486.49 1024.764 29.55 29.46 9.949 3.51221 5.02482 32.01 1486.50 1024.763 29.85 29.76 9.948 3.51264 5.02550 32.02 1486.50 1024.768 30.15 30.06 9.937 3.51226 5.02664 32.02 1486.47 1024.776 30.45 30.36 9.915 3.51170 5.02887 32.04 1486.42 1024.791 30.75 30.66 9.895 3.51054 5.03013 32.04 1486.36 1024.801 31.05 30.96 9.882 3.50805 5.02852 32.03 1486.30 1024.794 31.35 31.26 9.858 3.50655 5.02973 32.03 1486.22 1024.803 31.65 31.55 9.850 3.50682 5.03126 32.04 1486.21 1024.813 31.95 31.85 9.854 3.50756 5.03174 32.05 1486.24 1024.817 32.25 32.15 9.844 3.50617 5.03128 32.04 1486.20 1024.816 32.55 32.45 9.857 3.50866 5.03296 32.06 1486.27 1024.826 32.85 32.75 9.814 3.50555 5.03467 32.06 1486.12 1024.839 33.15 33.05 9.805 3.50579 5.03629 32.07 1486.11 1024.850 33.45 33.34 9.813 3.50580 5.03516 32.07 1486.13 1024.845 33.75 33.64 9.816 3.50542 5.03423 32.06 1486.14 1024.841 34.05 33.94 9.808 3.50505 5.03480 32.06 1486.12 1024.846 34.35 34.24 9.798 3.50479 5.03595 32.07 1486.10 1024.854 34.65 34.54 9.801 3.50532 5.03628 32.07 1486.11 1024.857 34.95 34.84 9.799 3.50387 5.03448 32.06 1486.10 1024.848 35.25 35.13 9.785 3.50345 5.03585 32.07 1486.06 1024.858 35.55 35.43 9.771 3.50325 5.03755 32.08 1486.03 1024.869 35.85 35.73 9.760 3.50217 5.03761 32.08 1485.99 1024.871 36.15 36.03 9.749 3.50258 5.03984 32.09 1485.97 1024.886 36.45 36.33 9.732 3.50276 5.04253 32.11 1485.94 1024.903 36.75 36.63 9.723 3.50155 5.04216 32.10 1485.90 1024.903 37.05 36.92 9.711 3.50135 5.04364 32.11 1485.87 1024.913 37.39 37.26 9.709 3.50142 5.04397 32.11 1485.87 1024.916