*2026/01/16 09:57:58.39 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/12/12 22:15:10.000 END TIME : UTC 2024/12/12 22:15:36.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 135 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 40.36 2 Depth metres 0.15 40.21 3 Temperature 'deg C (ITS90)' 7.638 10.742 4 Conductivity S/m 1.7992 3.50677 5 Conductance:Specific S/m 2.75634 4.90573 6 Salinity PSS-78 16.4 31.26 7 Speed:Sound m/s 1458.07 1488.61 8 Density kg/m^3 1012.742 1024.095 $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 : 355 LATITUDE : 50 0.17080 N ! (deg min) LONGITUDE : 127 10.25770 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241212_221510 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:11 135 135 MERGEHDR 1.3 2026/01/16 09:54:17 135 135 HDREDIT2 3.2 2026/01/16 09:55:17 ? ? REMOVECH 8.2 2026/01/16 09:56:27 135 135 CALIB 12.1 2026/01/16 09:57:01 135 135 CLEAN 5.3 2026/01/16 09:57:58 135 135 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:17 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 09:56:27 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:57:01 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 7.638 1.79920 2.75634 16.40 1458.07 1012.742 0.45 0.45 7.698 1.85254 2.83283 16.90 1458.93 1013.129 0.75 0.75 8.421 2.21454 3.31308 20.11 1465.75 1015.563 1.05 1.05 9.108 2.69677 3.95326 24.48 1473.75 1018.888 1.35 1.35 9.484 3.04705 4.41806 27.72 1479.10 1021.358 1.65 1.65 9.647 3.14163 4.53372 28.54 1480.71 1021.976 1.95 1.95 9.715 3.18261 4.58398 28.90 1481.40 1022.246 2.25 2.25 9.798 3.19825 4.59543 28.99 1481.82 1022.304 2.55 2.55 9.862 3.20658 4.59898 29.02 1482.10 1022.320 2.85 2.85 9.897 3.20924 4.59812 29.02 1482.23 1022.315 3.15 3.15 9.919 3.22177 4.61320 29.13 1482.45 1022.397 3.45 3.45 9.952 3.23036 4.62114 29.18 1482.64 1022.439 3.75 3.75 9.970 3.24309 4.63701 29.30 1482.85 1022.526 4.05 4.05 9.991 3.25598 4.65261 29.41 1483.07 1022.610 4.35 4.35 10.022 3.26880 4.66679 29.51 1483.31 1022.687 4.65 4.64 10.035 3.27384 4.67231 29.55 1483.41 1022.718 4.95 4.94 10.045 3.27698 4.67539 29.57 1483.48 1022.735 5.25 5.24 10.053 3.28013 4.67882 29.60 1483.55 1022.754 5.55 5.54 10.061 3.28408 4.68341 29.63 1483.62 1022.780 5.85 5.84 10.066 3.28529 4.68445 29.64 1483.65 1022.787 6.15 6.14 10.076 3.29033 4.69029 29.68 1483.74 1022.819 6.45 6.44 10.094 3.30049 4.70239 29.77 1483.92 1022.885 6.75 6.74 10.089 3.30524 4.70975 29.82 1483.97 1022.927 7.05 7.04 10.092 3.30806 4.71338 29.85 1484.02 1022.948 7.35 7.34 10.101 3.30889 4.71340 29.85 1484.05 1022.949 7.65 7.63 10.108 3.30895 4.71251 29.84 1484.08 1022.945 7.95 7.93 10.110 3.30927 4.71270 29.84 1484.09 1022.947 8.25 8.23 10.109 3.31010 4.71407 29.85 1484.10 1022.956 8.55 8.53 10.107 3.31009 4.71435 29.85 1484.10 1022.959 8.85 8.83 10.104 3.31130 4.71636 29.87 1484.12 1022.971 9.15 9.13 10.104 3.31179 4.71706 29.87 1484.13 1022.976 9.45 9.43 10.107 3.31357 4.71925 29.89 1484.16 1022.989 9.75 9.73 10.109 3.31510 4.72111 29.90 1484.19 1023.001 10.05 10.03 10.121 3.31705 4.72228 29.91 1484.25 1023.007 10.35 10.32 10.129 3.31677 4.72091 29.90 1484.27 1023.001 10.65 10.62 10.138 3.31917 4.72309 29.92 1484.33 1023.013 10.95 10.92 10.163 3.32250 4.72439 29.93 1484.44 1023.020 11.25 11.22 10.198 3.33431 4.73656 30.02 1484.68 1023.085 11.55 11.52 10.225 3.34244 4.74447 30.08 1484.85 1023.128 11.85 11.82 10.255 3.34795 4.74818 30.11 1485.00 1023.147 12.15 12.12 10.284 3.35091 4.74853 30.11 1485.12 1023.148 12.45 12.42 10.311 3.35402 4.74924 30.12 1485.23 1023.151 12.75 12.72 10.330 3.35608 4.74957 30.13 1485.31 1023.153 13.05 13.01 10.341 3.35687 4.74920 30.12 1485.35 1023.151 13.35 13.31 10.347 3.35859 4.75091 30.14 1485.39 1023.162 13.65 13.61 10.348 3.36020 4.75302 30.15 1485.42 1023.174 13.95 13.91 10.361 3.36254 4.75457 30.16 1485.49 1023.183 14.25 14.21 10.384 3.36718 4.75801 30.19 1485.61 1023.202 14.55 14.51 10.392 3.37129 4.76279 30.22 1485.68 1023.229 14.85 14.81 10.407 3.37765 4.76980 30.28 1485.80 1023.267 15.15 15.11 10.421 3.38604 4.77966 30.35 1485.95 1023.321 15.45 15.41 10.460 3.39214 4.78310 30.37 1486.12 1023.339 15.75 15.70 10.486 3.39461 4.78297 30.38 1486.23 1023.337 16.05 16.00 10.510 3.40035 4.78784 30.41 1486.36 1023.363 16.35 16.30 10.543 3.40527 4.79031 30.44 1486.51 1023.375 16.65 16.60 10.561 3.40921 4.79351 30.46 1486.61 1023.393 16.95 16.90 10.575 3.41065 4.79364 30.46 1486.67 1023.394 17.25 17.20 10.586 3.41124 4.79292 30.46 1486.71 1023.390 17.55 17.50 10.592 3.41136 4.79226 30.45 1486.73 1023.387 17.85 17.80 10.594 3.41211 4.79316 30.46 1486.75 1023.393 18.15 18.09 10.597 3.41308 4.79408 30.47 1486.77 1023.399 18.45 18.39 10.599 3.41381 4.79478 30.47 1486.79 1023.404 18.75 18.69 10.601 3.41430 4.79525 30.48 1486.81 1023.408 19.05 18.99 10.603 3.41458 4.79540 30.48 1486.82 1023.410 19.35 19.29 10.598 3.41346 4.79445 30.47 1486.80 1023.406 19.65 19.59 10.601 3.41500 4.79621 30.48 1486.83 1023.417 19.95 19.89 10.595 3.41491 4.79686 30.49 1486.82 1023.422 20.25 20.19 10.604 3.41655 4.79802 30.49 1486.86 1023.429 20.55 20.49 10.616 3.41815 4.79866 30.50 1486.92 1023.433 20.85 20.78 10.625 3.41832 4.79762 30.49 1486.95 1023.428 21.15 21.08 10.636 3.42066 4.79941 30.51 1487.01 1023.438 21.45 21.38 10.645 3.42217 4.80042 30.52 1487.06 1023.444 21.75 21.68 10.664 3.42721 4.80491 30.55 1487.17 1023.469 22.05 21.98 10.672 3.42944 4.80685 30.56 1487.22 1023.480 22.35 22.28 10.683 3.43083 4.80733 30.57 1487.27 1023.483 22.65 22.58 10.689 3.43453 4.81178 30.60 1487.34 1023.508 22.95 22.88 10.703 3.43900 4.81616 30.63 1487.43 1023.532 23.25 23.17 10.717 3.44010 4.81571 30.63 1487.49 1023.530 23.55 23.47 10.719 3.44177 4.81791 30.65 1487.51 1023.543 23.85 23.77 10.721 3.44416 4.82097 30.67 1487.55 1023.561 24.15 24.07 10.722 3.44686 4.82453 30.69 1487.59 1023.582 24.45 24.37 10.723 3.44935 4.82788 30.72 1487.63 1023.602 24.75 24.67 10.723 3.45180 4.83141 30.74 1487.66 1023.622 25.05 24.97 10.718 3.45304 4.83371 30.76 1487.67 1023.636 25.35 25.27 10.717 3.45544 4.83726 30.78 1487.70 1023.657 25.65 25.56 10.722 3.45852 4.84086 30.81 1487.76 1023.678 25.95 25.86 10.727 3.46143 4.84431 30.83 1487.81 1023.698 26.25 26.16 10.729 3.46216 4.84501 30.84 1487.83 1023.703 26.55 26.46 10.729 3.46289 4.84610 30.85 1487.84 1023.710 26.85 26.76 10.731 3.46339 4.84651 30.85 1487.85 1023.713 27.15 27.06 10.732 3.46332 4.84630 30.85 1487.86 1023.713 27.45 27.36 10.731 3.46408 4.84746 30.86 1487.87 1023.721 27.75 27.66 10.729 3.46556 4.84973 30.87 1487.89 1023.735 28.05 27.95 10.730 3.46626 4.85067 30.88 1487.91 1023.741 28.35 28.25 10.729 3.46942 4.85525 30.91 1487.94 1023.768 28.65 28.55 10.730 3.47028 4.85631 30.92 1487.96 1023.775 28.95 28.85 10.730 3.47049 4.85652 30.92 1487.97 1023.777 29.25 29.15 10.728 3.47031 4.85655 30.92 1487.97 1023.779 29.55 29.45 10.726 3.47001 4.85645 30.92 1487.96 1023.780 29.85 29.75 10.721 3.47036 4.85753 30.92 1487.96 1023.787 30.15 30.04 10.720 3.47072 4.85829 30.93 1487.97 1023.793 30.45 30.34 10.718 3.47144 4.85951 30.94 1487.97 1023.801 30.75 30.64 10.715 3.47283 4.86179 30.95 1487.99 1023.815 31.05 30.94 10.714 3.47317 4.86250 30.96 1487.99 1023.820 31.35 31.24 10.711 3.47391 4.86391 30.97 1488.00 1023.830 31.65 31.54 10.710 3.47484 4.86541 30.98 1488.01 1023.839 31.95 31.84 10.707 3.47605 4.86746 30.99 1488.03 1023.852 32.25 32.14 10.705 3.47605 4.86768 30.99 1488.03 1023.854 32.55 32.43 10.704 3.47719 4.86942 31.01 1488.04 1023.865 32.85 32.73 10.703 3.47741 4.86991 31.01 1488.05 1023.870 33.15 33.03 10.702 3.47755 4.87024 31.01 1488.05 1023.873 33.45 33.33 10.702 3.47772 4.87049 31.01 1488.06 1023.875 33.75 33.63 10.703 3.47804 4.87080 31.01 1488.07 1023.878 34.05 33.93 10.702 3.47857 4.87161 31.02 1488.08 1023.884 34.35 34.23 10.701 3.47893 4.87237 31.02 1488.08 1023.890 34.65 34.52 10.704 3.48089 4.87460 31.04 1488.12 1023.903 34.95 34.82 10.711 3.48274 4.87629 31.05 1488.16 1023.913 35.25 35.12 10.711 3.48441 4.87865 31.07 1488.19 1023.927 35.55 35.42 10.715 3.48493 4.87881 31.07 1488.21 1023.929 35.85 35.72 10.719 3.48528 4.87880 31.07 1488.23 1023.930 36.15 36.02 10.719 3.48489 4.87825 31.07 1488.23 1023.928 36.45 36.32 10.719 3.48553 4.87914 31.07 1488.24 1023.934 36.75 36.62 10.719 3.48524 4.87875 31.07 1488.24 1023.933 37.05 36.91 10.719 3.48652 4.88048 31.08 1488.26 1023.944 37.35 37.21 10.719 3.48638 4.88029 31.08 1488.27 1023.944 37.65 37.51 10.718 3.48655 4.88071 31.08 1488.27 1023.948 37.95 37.81 10.718 3.48831 4.88317 31.10 1488.30 1023.963 38.25 38.11 10.720 3.48915 4.88401 31.11 1488.32 1023.968 38.55 38.41 10.720 3.49301 4.88946 31.15 1488.37 1024.000 38.85 38.71 10.721 3.49711 4.89507 31.19 1488.42 1024.032 39.15 39.00 10.727 3.49905 4.89699 31.20 1488.47 1024.043 39.45 39.30 10.732 3.50316 4.90196 31.24 1488.53 1024.071 39.75 39.60 10.737 3.50458 4.90333 31.25 1488.57 1024.080 40.05 39.90 10.739 3.50638 4.90557 31.26 1488.60 1024.093 40.36 40.21 10.742 3.50677 4.90573 31.26 1488.61 1024.095