*2026/01/16 09:57:57.46 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/11/27 15:54:38.000 END TIME : UTC 2024/11/27 15:54:56.600 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 94 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 27.93 2 Depth metres 0.15 27.84 3 Temperature 'deg C (ITS90)' 8.083 10.956 4 Conductivity S/m 1.84692 3.4861 5 Conductance:Specific S/m 2.78296 4.84771 6 Salinity PSS-78 16.61 30.88 7 Speed:Sound m/s 1460.36 1488.71 8 Density kg/m^3 1012.853 1023.706 $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 : 318 LATITUDE : 48 52.66110 N ! (deg min) LONGITUDE : 125 8.13730 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241127_155438 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:10 94 94 MERGEHDR 1.3 2026/01/16 09:54:13 94 94 HDREDIT2 3.2 2026/01/16 09:55:16 ? ? REMOVECH 8.2 2026/01/16 09:56:25 94 94 CALIB 12.1 2026/01/16 09:56:59 94 94 CLEAN 5.3 2026/01/16 09:57:57 94 94 $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 8.083 1.86302 2.81569 16.82 1460.36 1013.023 0.45 0.45 8.183 1.84692 2.78296 16.61 1460.51 1012.853 0.75 0.75 8.231 1.86598 2.80760 16.77 1460.91 1012.977 1.05 1.06 8.411 1.90301 2.84792 17.05 1461.96 1013.174 1.35 1.36 9.202 2.23828 3.27215 19.91 1468.53 1015.308 1.65 1.66 9.501 2.96130 4.29162 26.85 1478.11 1020.677 1.95 1.96 9.695 3.19766 4.60821 29.06 1481.53 1022.379 2.25 2.26 10.035 3.26904 4.66542 29.50 1483.31 1022.670 2.55 2.56 10.286 3.30924 4.68913 29.70 1484.47 1022.783 2.85 2.86 10.405 3.33406 4.70850 29.85 1485.08 1022.881 3.15 3.15 10.536 3.34009 4.69954 29.80 1485.50 1022.823 3.45 3.45 10.604 3.34893 4.70305 29.83 1485.79 1022.838 3.75 3.75 10.622 3.35561 4.71001 29.88 1485.92 1022.876 4.05 4.05 10.645 3.37160 4.72937 30.02 1486.18 1022.981 4.35 4.35 10.671 3.38654 4.74693 30.15 1486.43 1023.077 4.65 4.65 10.697 3.39559 4.75616 30.22 1486.61 1023.127 4.95 4.95 10.733 3.39991 4.75734 30.23 1486.76 1023.131 5.25 5.25 10.759 3.40532 4.76149 30.26 1486.89 1023.153 5.55 5.55 10.768 3.40755 4.76340 30.28 1486.95 1023.164 5.85 5.84 10.776 3.40934 4.76488 30.29 1486.99 1023.173 6.15 6.14 10.782 3.41168 4.76730 30.30 1487.04 1023.187 6.45 6.44 10.789 3.41726 4.77421 30.35 1487.13 1023.226 6.75 6.74 10.796 3.41982 4.77682 30.37 1487.18 1023.241 7.05 7.04 10.805 3.42174 4.77825 30.38 1487.23 1023.249 7.35 7.34 10.812 3.42259 4.77860 30.39 1487.26 1023.252 7.65 7.64 10.819 3.42401 4.77957 30.39 1487.31 1023.258 7.95 7.94 10.825 3.42599 4.78154 30.41 1487.35 1023.269 8.25 8.24 10.830 3.42709 4.78244 30.42 1487.38 1023.275 8.55 8.53 10.833 3.42825 4.78367 30.42 1487.41 1023.283 8.85 8.83 10.835 3.42956 4.78521 30.44 1487.43 1023.292 9.15 9.13 10.838 3.43089 4.78670 30.45 1487.46 1023.301 9.45 9.43 10.845 3.43320 4.78897 30.46 1487.51 1023.315 9.75 9.73 10.850 3.43651 4.79294 30.49 1487.57 1023.337 10.05 10.03 10.851 3.43782 4.79460 30.50 1487.59 1023.347 10.35 10.33 10.852 3.43985 4.79728 30.52 1487.62 1023.363 10.65 10.63 10.855 3.44350 4.80195 30.55 1487.68 1023.390 10.95 10.93 10.863 3.44557 4.80384 30.57 1487.73 1023.401 11.25 11.22 10.870 3.44628 4.80381 30.57 1487.76 1023.401 11.55 11.52 10.875 3.44878 4.80661 30.59 1487.81 1023.418 11.85 11.82 10.880 3.44998 4.80767 30.60 1487.84 1023.424 12.15 12.12 10.882 3.45017 4.80769 30.60 1487.85 1023.426 12.45 12.42 10.884 3.45271 4.81097 30.62 1487.89 1023.445 12.75 12.72 10.887 3.45304 4.81098 30.62 1487.90 1023.446 13.05 13.02 10.892 3.45285 4.81012 30.62 1487.92 1023.442 13.35 13.32 10.893 3.45429 4.81186 30.63 1487.95 1023.453 13.65 13.61 10.896 3.45540 4.81302 30.64 1487.97 1023.460 13.95 13.91 10.899 3.45490 4.81200 30.63 1487.98 1023.455 14.25 14.21 10.901 3.45631 4.81364 30.64 1488.00 1023.466 14.55 14.51 10.903 3.45787 4.81554 30.65 1488.03 1023.477 14.85 14.81 10.905 3.45922 4.81720 30.67 1488.06 1023.487 15.15 15.11 10.907 3.45986 4.81776 30.67 1488.08 1023.491 15.45 15.41 10.910 3.45997 4.81760 30.67 1488.09 1023.492 15.75 15.71 10.913 3.46060 4.81802 30.67 1488.11 1023.495 16.05 16.00 10.919 3.46172 4.81882 30.68 1488.14 1023.500 16.35 16.30 10.919 3.46296 4.82049 30.69 1488.16 1023.510 16.65 16.60 10.915 3.46382 4.82223 30.70 1488.17 1023.522 16.95 16.90 10.915 3.46436 4.82302 30.71 1488.18 1023.527 17.25 17.20 10.910 3.46407 4.82326 30.71 1488.17 1023.530 17.55 17.50 10.907 3.46472 4.82460 30.72 1488.17 1023.539 17.85 17.80 10.903 3.46516 4.82571 30.73 1488.17 1023.547 18.15 18.10 10.901 3.46643 4.82772 30.74 1488.19 1023.559 18.45 18.40 10.901 3.46677 4.82830 30.74 1488.19 1023.564 18.75 18.69 10.901 3.46801 4.82989 30.75 1488.21 1023.574 19.05 18.99 10.901 3.46884 4.83108 30.76 1488.23 1023.581 19.35 19.29 10.904 3.46858 4.83041 30.76 1488.24 1023.579 19.65 19.59 10.909 3.46883 4.82997 30.76 1488.26 1023.577 19.95 19.89 10.910 3.46915 4.83032 30.76 1488.27 1023.580 20.25 20.19 10.912 3.47004 4.83133 30.76 1488.29 1023.587 20.55 20.49 10.912 3.47028 4.83159 30.77 1488.30 1023.590 20.85 20.79 10.915 3.47122 4.83253 30.77 1488.32 1023.596 21.15 21.08 10.916 3.47139 4.83269 30.77 1488.33 1023.598 21.45 21.38 10.916 3.47229 4.83387 30.78 1488.35 1023.606 21.75 21.68 10.916 3.47298 4.83492 30.79 1488.36 1023.613 22.05 21.98 10.922 3.47397 4.83546 30.79 1488.39 1023.617 22.35 22.28 10.921 3.47475 4.83670 30.80 1488.40 1023.625 22.65 22.58 10.923 3.47446 4.83595 30.80 1488.41 1023.622 22.95 22.88 10.923 3.47497 4.83666 30.80 1488.42 1023.627 23.25 23.18 10.927 3.47674 4.83857 30.82 1488.46 1023.638 23.55 23.47 10.928 3.47749 4.83949 30.82 1488.47 1023.644 23.85 23.77 10.926 3.47795 4.84042 30.83 1488.48 1023.651 24.15 24.07 10.924 3.47809 4.84088 30.83 1488.48 1023.655 24.45 24.37 10.928 3.47835 4.84071 30.83 1488.50 1023.655 24.75 24.67 10.924 3.47862 4.84167 30.84 1488.49 1023.662 25.05 24.97 10.926 3.47902 4.84188 30.84 1488.51 1023.664 25.35 25.27 10.929 3.47956 4.84227 30.84 1488.53 1023.667 25.65 25.57 10.924 3.47988 4.84344 30.85 1488.52 1023.675 25.95 25.86 10.932 3.48172 4.84481 30.86 1488.57 1023.683 26.25 26.16 10.941 3.48385 4.84668 30.87 1488.62 1023.694 26.55 26.46 10.947 3.48447 4.84667 30.87 1488.65 1023.695 26.85 26.76 10.953 3.48478 4.84629 30.87 1488.67 1023.694 27.15 27.06 10.954 3.48491 4.84629 30.87 1488.68 1023.695 27.45 27.36 10.953 3.48521 4.84685 30.88 1488.69 1023.699 27.75 27.66 10.953 3.48549 4.84724 30.88 1488.70 1023.703 27.93 27.84 10.956 3.48610 4.84771 30.88 1488.71 1023.706