*2026/01/16 09:57:49.36 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/04/24 15:22:12.000 END TIME : UTC 2024/04/24 15:22:37.000 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 126 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 37.75 2 Depth metres 0.15 37.57 3 Temperature 'deg C (ITS90)' 9.647 11.847 4 Conductivity S/m 3.38143 3.49734 5 Conductance:Specific S/m 4.58934 5.02248 6 Salinity PSS-78 29.16 31.95 7 Speed:Sound m/s 1485.46 1489.47 8 Density kg/m^3 1022.09 1024.803 $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 : 85 LATITUDE : 48 51.07680 N ! (deg min) LONGITUDE : 125 7.53470 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240424_152212 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:57 126 126 MERGEHDR 1.3 2026/01/16 09:53:49 126 126 HDREDIT2 3.2 2026/01/16 09:55:03 ? ? REMOVECH 8.2 2026/01/16 09:56:15 126 126 CALIB 12.1 2026/01/16 09:56:48 126 126 CLEAN 5.3 2026/01/16 09:57:49 126 126 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:03 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 09:56:15 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:48 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 11.837 3.38192 4.59035 29.17 1489.30 1022.094 0.45 0.45 11.840 3.38143 4.58934 29.16 1489.31 1022.090 0.75 0.75 11.839 3.38200 4.59022 29.17 1489.32 1022.096 1.05 1.05 11.844 3.38393 4.59227 29.18 1489.35 1022.108 1.35 1.35 11.847 3.38740 4.59659 29.21 1489.41 1022.133 1.65 1.65 11.836 3.39464 4.60784 29.29 1489.47 1022.197 1.95 1.94 11.807 3.39495 4.61187 29.32 1489.40 1022.223 2.25 2.24 11.784 3.39581 4.61594 29.34 1489.36 1022.249 2.55 2.54 11.777 3.39702 4.61843 29.36 1489.36 1022.264 2.85 2.84 11.785 3.39848 4.61934 29.37 1489.40 1022.270 3.15 3.14 11.782 3.40151 4.62384 29.40 1489.43 1022.296 3.45 3.44 11.746 3.40539 4.63366 29.46 1489.39 1022.354 3.75 3.74 11.697 3.40764 4.64294 29.52 1489.30 1022.411 4.05 4.04 11.653 3.41014 4.65189 29.58 1489.22 1022.466 4.35 4.34 11.560 3.41825 4.67490 29.74 1489.08 1022.603 4.65 4.64 11.454 3.42057 4.69160 29.84 1488.84 1022.706 4.95 4.94 11.343 3.42400 4.71067 29.97 1488.60 1022.822 5.25 5.23 11.177 3.42478 4.73336 30.11 1488.19 1022.963 5.55 5.53 11.025 3.43636 4.76941 30.35 1487.94 1023.175 5.85 5.83 10.914 3.44409 4.79496 30.51 1487.76 1023.326 6.15 6.13 10.781 3.44641 4.81596 30.65 1487.45 1023.454 6.45 6.43 10.689 3.44845 4.83130 30.74 1487.24 1023.547 6.75 6.73 10.620 3.45021 4.84304 30.82 1487.09 1023.618 7.05 7.03 10.543 3.45040 4.85380 30.89 1486.90 1023.685 7.35 7.33 10.468 3.45152 4.86573 30.96 1486.73 1023.757 7.65 7.63 10.449 3.45177 4.86870 30.98 1486.69 1023.776 7.95 7.92 10.435 3.45220 4.87117 31.00 1486.66 1023.792 8.25 8.22 10.420 3.45217 4.87313 31.01 1486.63 1023.805 8.55 8.52 10.396 3.45235 4.87669 31.03 1486.58 1023.828 8.85 8.82 10.364 3.45303 4.88206 31.06 1486.51 1023.861 9.15 9.12 10.334 3.45572 4.89013 31.12 1486.46 1023.909 9.45 9.42 10.306 3.45671 4.89534 31.15 1486.41 1023.941 9.75 9.72 10.286 3.45949 4.90214 31.20 1486.40 1023.981 10.05 10.01 10.255 3.46172 4.90951 31.24 1486.35 1024.025 10.35 10.31 10.205 3.46338 4.91884 31.30 1486.25 1024.081 10.65 10.61 10.173 3.46497 4.92565 31.35 1486.19 1024.122 10.95 10.91 10.145 3.46714 4.93267 31.39 1486.15 1024.164 11.25 11.21 10.118 3.46906 4.93919 31.44 1486.11 1024.203 11.55 11.51 10.098 3.47043 4.94391 31.47 1486.08 1024.231 11.85 11.81 10.075 3.47109 4.94805 31.49 1486.03 1024.257 12.15 12.11 10.056 3.47213 4.95226 31.52 1486.00 1024.283 12.45 12.40 10.043 3.47185 4.95365 31.53 1485.97 1024.292 12.75 12.70 10.033 3.47273 4.95636 31.55 1485.96 1024.309 13.05 13.00 10.022 3.47331 4.95873 31.56 1485.94 1024.324 13.35 13.30 10.008 3.47656 4.96536 31.61 1485.95 1024.363 13.65 13.60 9.991 3.47785 4.96963 31.63 1485.93 1024.389 13.95 13.90 9.981 3.48034 4.97456 31.67 1485.94 1024.418 14.25 14.20 9.974 3.48131 4.97705 31.68 1485.94 1024.433 14.55 14.49 9.970 3.48173 4.97814 31.69 1485.94 1024.441 14.85 14.79 9.967 3.48141 4.97816 31.69 1485.93 1024.443 15.15 15.09 9.965 3.48218 4.97959 31.70 1485.94 1024.452 15.45 15.39 9.962 3.48269 4.98067 31.71 1485.94 1024.459 15.75 15.69 9.959 3.48339 4.98208 31.72 1485.95 1024.469 16.05 15.99 9.958 3.48361 4.98258 31.72 1485.95 1024.473 16.35 16.28 9.954 3.48371 4.98320 31.72 1485.95 1024.478 16.65 16.58 9.952 3.48369 4.98353 31.73 1485.95 1024.481 16.95 16.88 9.950 3.48375 4.98396 31.73 1485.95 1024.484 17.25 17.18 9.948 3.48377 4.98426 31.73 1485.95 1024.488 17.55 17.48 9.947 3.48442 4.98537 31.74 1485.96 1024.495 17.85 17.78 9.947 3.48507 4.98616 31.74 1485.97 1024.501 18.15 18.08 9.948 3.48436 4.98502 31.74 1485.97 1024.495 18.45 18.37 9.949 3.48598 4.98726 31.75 1486.00 1024.509 18.75 18.67 9.950 3.48635 4.98767 31.75 1486.01 1024.513 19.05 18.97 9.952 3.48700 4.98830 31.76 1486.03 1024.517 19.35 19.27 9.954 3.48730 4.98847 31.76 1486.04 1024.519 19.65 19.57 9.954 3.48796 4.98943 31.77 1486.05 1024.526 19.95 19.87 9.957 3.48873 4.99002 31.77 1486.08 1024.530 20.25 20.17 9.962 3.49064 4.99205 31.79 1486.12 1024.542 20.55 20.46 9.968 3.49109 4.99189 31.79 1486.14 1024.542 20.85 20.76 9.971 3.49215 4.99289 31.79 1486.17 1024.549 21.15 21.06 9.972 3.49314 4.99426 31.80 1486.19 1024.558 21.45 21.36 9.973 3.49443 4.99587 31.81 1486.21 1024.568 21.75 21.66 9.977 3.49567 4.99716 31.82 1486.24 1024.576 22.05 21.96 9.979 3.49631 4.99766 31.83 1486.26 1024.580 22.35 22.25 9.979 3.49662 4.99813 31.83 1486.27 1024.583 22.65 22.55 9.979 3.49677 4.99843 31.83 1486.27 1024.586 22.95 22.85 9.978 3.49732 4.99927 31.84 1486.28 1024.592 23.25 23.15 9.977 3.49734 4.99947 31.84 1486.28 1024.595 23.55 23.45 9.961 3.49684 5.00105 31.85 1486.24 1024.606 23.85 23.75 9.949 3.49597 5.00154 31.85 1486.21 1024.611 24.15 24.05 9.946 3.49637 5.00253 31.86 1486.21 1024.617 24.45 24.34 9.942 3.49509 5.00122 31.85 1486.19 1024.612 24.75 24.64 9.936 3.49520 5.00224 31.85 1486.18 1024.619 25.05 24.94 9.931 3.49485 5.00249 31.85 1486.17 1024.622 25.35 25.24 9.926 3.49460 5.00284 31.86 1486.15 1024.625 25.65 25.54 9.926 3.49488 5.00331 31.86 1486.16 1024.629 25.95 25.84 9.925 3.49505 5.00369 31.86 1486.17 1024.633 26.25 26.14 9.918 3.49539 5.00519 31.87 1486.16 1024.643 26.55 26.43 9.911 3.49415 5.00435 31.86 1486.13 1024.640 26.85 26.73 9.899 3.49407 5.00604 31.87 1486.10 1024.651 27.15 27.03 9.880 3.49289 5.00705 31.88 1486.04 1024.659 27.45 27.33 9.870 3.49266 5.00809 31.88 1486.02 1024.667 27.75 27.63 9.868 3.49228 5.00790 31.88 1486.01 1024.667 28.05 27.93 9.864 3.49214 5.00820 31.88 1486.01 1024.670 28.35 28.22 9.863 3.49324 5.00990 31.90 1486.02 1024.681 28.65 28.52 9.865 3.49269 5.00886 31.89 1486.03 1024.676 28.95 28.82 9.867 3.49380 5.01025 31.90 1486.05 1024.685 29.25 29.12 9.872 3.49414 5.00992 31.90 1486.07 1024.684 29.55 29.42 9.873 3.49397 5.00960 31.89 1486.08 1024.684 29.85 29.72 9.869 3.49431 5.01055 31.90 1486.08 1024.690 30.15 30.02 9.864 3.49383 5.01065 31.90 1486.06 1024.693 30.45 30.31 9.859 3.49400 5.01165 31.91 1486.06 1024.700 30.75 30.61 9.856 3.49350 5.01131 31.90 1486.05 1024.699 31.05 30.91 9.850 3.49325 5.01184 31.91 1486.03 1024.704 31.35 31.21 9.846 3.49332 5.01247 31.91 1486.03 1024.709 31.65 31.51 9.842 3.49274 5.01226 31.91 1486.02 1024.709 31.95 31.81 9.835 3.49272 5.01321 31.91 1486.00 1024.716 32.25 32.10 9.829 3.49288 5.01429 31.92 1486.00 1024.724 32.55 32.40 9.821 3.49217 5.01444 31.92 1485.97 1024.726 32.85 32.70 9.814 3.49151 5.01458 31.92 1485.95 1024.729 33.15 33.00 9.808 3.49142 5.01530 31.92 1485.94 1024.734 33.45 33.30 9.800 3.49116 5.01608 31.93 1485.92 1024.740 33.75 33.60 9.798 3.49029 5.01503 31.92 1485.91 1024.736 34.05 33.89 9.804 3.49028 5.01427 31.92 1485.93 1024.733 34.35 34.19 9.803 3.49096 5.01529 31.92 1485.94 1024.740 34.65 34.49 9.794 3.48930 5.01426 31.92 1485.90 1024.736 34.95 34.79 9.776 3.48795 5.01485 31.92 1485.84 1024.741 35.25 35.09 9.761 3.48693 5.01565 31.92 1485.79 1024.748 35.55 35.39 9.748 3.48555 5.01549 31.92 1485.75 1024.749 35.85 35.69 9.729 3.48426 5.01637 31.92 1485.69 1024.756 36.15 35.98 9.716 3.48450 5.01861 31.93 1485.66 1024.771 36.45 36.28 9.705 3.48409 5.01956 31.94 1485.64 1024.778 36.75 36.58 9.700 3.48339 5.01924 31.94 1485.62 1024.777 37.05 36.88 9.690 3.48111 5.01740 31.92 1485.57 1024.769 37.35 37.18 9.660 3.47968 5.01972 31.93 1485.48 1024.785 37.75 37.57 9.647 3.48023 5.02248 31.95 1485.46 1024.803