*2026/01/16 09:57:54.20 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/09/03 19:52:39.000 END TIME : UTC 2024/09/03 19:53:03.000 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 121 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 36.14 2 Depth metres 0.15 36.02 3 Temperature 'deg C (ITS90)' 9.685 19.05 4 Conductivity S/m 2.06744 3.54489 5 Conductance:Specific S/m 2.34672 4.99238 6 Salinity PSS-78 14.15 31.75 7 Speed:Sound m/s 1485.32 1498.53 8 Density kg/m^3 1009.149 1024.628 $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 : 226 LATITUDE : 49 10.76920 N ! (deg min) LONGITUDE : 124 49.52720 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240903_195239 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:05 121 121 MERGEHDR 1.3 2026/01/16 09:54:03 121 121 HDREDIT2 3.2 2026/01/16 09:55:10 ? ? REMOVECH 8.2 2026/01/16 09:56:21 121 121 CALIB 12.1 2026/01/16 09:56:54 121 121 CLEAN 5.3 2026/01/16 09:57:54 121 121 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:10 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 09:56:21 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:54 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 19.050 2.06744 2.34672 14.15 1495.44 1009.149 0.45 0.45 18.843 2.14476 2.44595 14.80 1495.55 1009.691 0.75 0.76 18.519 2.35829 2.70949 16.55 1496.53 1011.089 1.05 1.06 18.213 2.52524 2.92184 17.97 1497.20 1012.237 1.35 1.36 17.910 2.72202 3.17180 19.66 1498.18 1013.588 1.65 1.66 17.591 2.84936 3.34505 20.83 1498.53 1014.554 1.95 1.96 17.407 2.89094 3.40858 21.26 1498.45 1014.923 2.25 2.27 17.229 2.92942 3.46852 21.67 1498.37 1015.273 2.55 2.57 17.031 2.95979 3.52094 22.02 1498.16 1015.587 2.85 2.87 16.839 3.02759 3.61813 22.69 1498.32 1016.137 3.15 3.17 16.671 3.07613 3.69094 23.18 1498.37 1016.555 3.45 3.47 16.507 3.12479 3.76415 23.68 1498.43 1016.974 3.75 3.77 16.275 3.16893 3.83880 24.19 1498.28 1017.414 4.05 4.07 16.090 3.19407 3.88666 24.52 1498.08 1017.704 4.35 4.37 15.971 3.20668 3.91334 24.70 1497.91 1017.868 4.65 4.67 15.741 3.23817 3.97412 25.11 1497.66 1018.235 4.95 4.97 15.394 3.28106 4.06134 25.71 1497.23 1018.762 5.25 5.27 15.023 3.32270 4.15103 26.31 1496.74 1019.307 5.55 5.57 14.821 3.36272 4.22228 26.80 1496.66 1019.724 5.85 5.87 14.578 3.38396 4.27507 27.16 1496.28 1020.049 6.15 6.17 14.215 3.43531 4.38015 27.87 1495.93 1020.674 6.45 6.47 13.520 3.48408 4.52242 28.83 1494.75 1021.548 6.75 6.77 13.031 3.52546 4.63496 29.59 1494.00 1022.228 7.05 7.07 12.595 3.53740 4.70457 30.04 1493.07 1022.664 7.35 7.37 12.265 3.54311 4.75389 30.36 1492.32 1022.974 7.65 7.67 12.086 3.54489 4.77931 30.52 1491.90 1023.135 7.95 7.97 11.878 3.54461 4.80583 30.69 1491.39 1023.304 8.25 8.26 11.748 3.54383 4.82173 30.79 1491.06 1023.406 8.55 8.56 11.638 3.54370 4.83607 30.88 1490.79 1023.497 8.85 8.86 11.566 3.54035 4.84101 30.91 1490.58 1023.533 9.15 9.16 11.518 3.53787 4.84404 30.92 1490.43 1023.555 9.45 9.46 11.421 3.53419 4.85188 30.97 1490.15 1023.609 9.75 9.76 11.336 3.53417 4.86322 31.04 1489.95 1023.681 10.05 10.06 11.299 3.53325 4.86684 31.06 1489.85 1023.705 10.35 10.36 11.277 3.53127 4.86708 31.06 1489.77 1023.710 10.65 10.65 11.233 3.52918 4.87011 31.08 1489.64 1023.732 10.95 10.95 11.185 3.52845 4.87562 31.11 1489.52 1023.768 11.25 11.25 11.158 3.52685 4.87693 31.12 1489.44 1023.779 11.55 11.55 11.105 3.52625 4.88332 31.16 1489.30 1023.820 11.85 11.85 11.080 3.52447 4.88420 31.16 1489.22 1023.828 12.15 12.15 11.062 3.52592 4.88864 31.19 1489.20 1023.855 12.45 12.45 11.030 3.52461 4.89125 31.21 1489.11 1023.874 12.75 12.75 11.013 3.52472 4.89371 31.22 1489.07 1023.890 13.05 13.04 10.980 3.52245 4.89497 31.23 1488.97 1023.901 13.35 13.34 10.959 3.52186 4.89704 31.24 1488.91 1023.915 13.65 13.64 10.917 3.52071 4.90113 31.26 1488.80 1023.943 13.95 13.94 10.895 3.51784 4.90012 31.25 1488.71 1023.940 14.25 14.24 10.863 3.51592 4.90186 31.26 1488.61 1023.954 14.55 14.54 10.821 3.51483 4.90612 31.29 1488.50 1023.982 14.85 14.84 10.788 3.51435 4.90993 31.31 1488.42 1024.007 15.15 15.14 10.782 3.51409 4.91047 31.31 1488.40 1024.012 15.45 15.43 10.768 3.51305 4.91091 31.31 1488.36 1024.017 15.75 15.73 10.736 3.51300 4.91526 31.34 1488.28 1024.044 16.05 16.03 10.732 3.51114 4.91319 31.32 1488.25 1024.035 16.35 16.33 10.682 3.50802 4.91570 31.34 1488.10 1024.054 16.65 16.63 10.651 3.50754 4.91933 31.36 1488.02 1024.077 16.95 16.93 10.631 3.50554 4.91921 31.36 1487.95 1024.079 17.25 17.23 10.590 3.50267 4.92087 31.36 1487.81 1024.093 17.55 17.52 10.561 3.50272 4.92494 31.39 1487.75 1024.119 17.85 17.82 10.544 3.50175 4.92595 31.39 1487.69 1024.127 18.15 18.12 10.532 3.50178 4.92763 31.40 1487.67 1024.139 18.45 18.42 10.514 3.50105 4.92905 31.41 1487.62 1024.149 18.75 18.72 10.495 3.50030 4.93068 31.42 1487.57 1024.161 19.05 19.02 10.479 3.49905 4.93117 31.42 1487.52 1024.166 19.35 19.32 10.464 3.49945 4.93378 31.44 1487.49 1024.183 19.65 19.61 10.442 3.49847 4.93545 31.45 1487.43 1024.195 19.95 19.91 10.392 3.49584 4.93881 31.46 1487.27 1024.218 20.25 20.21 10.363 3.49355 4.93959 31.47 1487.17 1024.226 20.55 20.51 10.344 3.49269 4.94097 31.47 1487.12 1024.236 20.85 20.81 10.305 3.48870 4.94079 31.47 1486.98 1024.239 21.15 21.11 10.254 3.48819 4.94721 31.51 1486.85 1024.279 21.45 21.41 10.238 3.48643 4.94704 31.50 1486.79 1024.281 21.75 21.70 10.223 3.48618 4.94869 31.51 1486.75 1024.292 22.05 22.00 10.207 3.48579 4.95038 31.52 1486.71 1024.304 22.35 22.30 10.204 3.48534 4.95018 31.52 1486.70 1024.304 22.65 22.60 10.184 3.48377 4.95074 31.52 1486.64 1024.310 22.95 22.90 10.183 3.48426 4.95166 31.53 1486.65 1024.316 23.25 23.20 10.165 3.48365 4.95325 31.54 1486.60 1024.328 23.55 23.50 10.149 3.48315 4.95483 31.55 1486.56 1024.339 23.85 23.79 10.140 3.48385 4.95708 31.56 1486.55 1024.353 24.15 24.09 10.173 3.48128 4.94873 31.51 1486.60 1024.306 24.45 24.39 10.071 3.47847 4.95914 31.57 1486.31 1024.371 24.75 24.69 10.037 3.47798 4.96325 31.59 1486.23 1024.398 25.05 24.99 10.029 3.47778 4.96419 31.60 1486.21 1024.405 25.35 25.29 10.004 3.47543 4.96437 31.59 1486.12 1024.408 25.65 25.59 9.970 3.47445 4.96776 31.61 1486.02 1024.431 25.95 25.88 9.956 3.47403 4.96918 31.62 1485.99 1024.441 26.25 26.18 9.954 3.47350 4.96865 31.62 1485.98 1024.439 26.55 26.48 9.950 3.47365 4.96945 31.62 1485.98 1024.445 26.85 26.78 9.939 3.47379 4.97121 31.63 1485.96 1024.457 27.15 27.08 9.931 3.47275 4.97091 31.63 1485.93 1024.457 27.45 27.38 9.928 3.47257 4.97106 31.63 1485.92 1024.459 27.75 27.68 9.921 3.47160 4.97062 31.63 1485.90 1024.458 28.05 27.97 9.903 3.47173 4.97344 31.64 1485.86 1024.476 28.35 28.27 9.893 3.47097 4.97377 31.64 1485.83 1024.480 28.65 28.57 9.881 3.47143 4.97611 31.66 1485.81 1024.495 28.95 28.87 9.885 3.47135 4.97539 31.65 1485.82 1024.492 29.25 29.17 9.869 3.47068 4.97671 31.66 1485.78 1024.501 29.55 29.47 9.865 3.47051 4.97711 31.66 1485.77 1024.505 29.85 29.76 9.849 3.46945 4.97788 31.67 1485.72 1024.512 30.15 30.06 9.836 3.46903 4.97910 31.67 1485.68 1024.520 30.45 30.36 9.814 3.46842 4.98141 31.69 1485.62 1024.536 30.75 30.66 9.806 3.46725 4.98083 31.68 1485.59 1024.534 31.05 30.96 9.789 3.46676 4.98257 31.69 1485.55 1024.546 31.35 31.26 9.769 3.46559 4.98379 31.70 1485.49 1024.555 31.65 31.56 9.755 3.46498 4.98484 31.70 1485.45 1024.563 31.95 31.85 9.746 3.46516 4.98641 31.71 1485.43 1024.574 32.25 32.15 9.739 3.46507 4.98726 31.72 1485.42 1024.580 32.55 32.45 9.739 3.46548 4.98794 31.72 1485.43 1024.585 32.85 32.75 9.737 3.46403 4.98601 31.71 1485.41 1024.576 33.15 33.05 9.736 3.46573 4.98864 31.73 1485.43 1024.592 33.45 33.35 9.748 3.46611 4.98751 31.72 1485.47 1024.586 33.75 33.64 9.740 3.46367 4.98511 31.70 1485.43 1024.574 34.05 33.94 9.717 3.46383 4.98871 31.72 1485.38 1024.597 34.35 34.24 9.716 3.46392 4.98897 31.73 1485.38 1024.600 34.65 34.54 9.713 3.46254 4.98739 31.71 1485.36 1024.592 34.95 34.84 9.696 3.46295 4.99035 31.73 1485.33 1024.611 35.25 35.14 9.694 3.46393 4.99214 31.75 1485.34 1024.622 35.55 35.44 9.694 3.46326 4.99114 31.74 1485.33 1024.618 35.85 35.73 9.691 3.46293 4.99111 31.74 1485.33 1024.619 36.14 36.02 9.685 3.46319 4.99238 31.75 1485.32 1024.628