*2026/01/16 09:57:51.73 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/06/11 22:33:52.000 END TIME : UTC 2024/06/11 22:34:17.000 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 37.66 2 Depth metres 0.15 37.5 3 Temperature 'deg C (ITS90)' 9.186 15.432 4 Conductivity S/m 3.07285 3.54196 5 Conductance:Specific S/m 3.80004 5.07855 6 Salinity PSS-78 23.89 32.28 7 Speed:Sound m/s 1484.17 1496.01 8 Density kg/m^3 1017.339 1025.134 $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 : 149 LATITUDE : 48 53.13410 N ! (deg min) LONGITUDE : 125 2.64140 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240611_223352 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:01 126 126 MERGEHDR 1.3 2026/01/16 09:53:54 126 126 HDREDIT2 3.2 2026/01/16 09:55:06 ? ? REMOVECH 8.2 2026/01/16 09:56:18 126 126 CALIB 12.1 2026/01/16 09:56:51 126 126 CLEAN 5.3 2026/01/16 09:57:51 126 126 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:06 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 09:56:18 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:51 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 15.432 3.07285 3.80004 23.89 1495.18 1017.339 0.45 0.45 15.412 3.07569 3.80547 23.92 1495.16 1017.373 0.75 0.75 15.358 3.09158 3.83019 24.09 1495.19 1017.515 1.05 1.05 15.303 3.10825 3.85605 24.27 1495.22 1017.663 1.35 1.35 15.282 3.12543 3.87940 24.43 1495.34 1017.792 1.65 1.65 15.281 3.12886 3.88377 24.46 1495.38 1017.817 1.95 1.95 15.285 3.13393 3.88969 24.50 1495.44 1017.849 2.25 2.25 15.292 3.14039 3.89709 24.55 1495.53 1017.889 2.55 2.55 15.280 3.14551 3.90455 24.61 1495.56 1017.932 2.85 2.85 15.268 3.15079 3.91226 24.66 1495.58 1017.976 3.15 3.16 15.268 3.15640 3.91923 24.71 1495.65 1018.015 3.45 3.46 15.166 3.18978 3.97072 25.06 1495.73 1018.308 3.75 3.76 15.023 3.24726 4.05675 25.65 1495.95 1018.793 4.05 4.06 14.771 3.31331 4.16544 26.40 1496.01 1019.419 4.35 4.36 14.009 3.41249 4.37397 27.82 1495.16 1020.663 4.65 4.66 13.276 3.51138 4.58689 29.27 1494.42 1021.925 4.95 4.95 12.577 3.54196 4.71293 30.10 1493.04 1022.703 5.25 5.25 12.175 3.53716 4.75738 30.38 1492.00 1022.994 5.55 5.55 11.730 3.53274 4.80904 30.70 1490.85 1023.326 5.85 5.85 11.291 3.52951 4.86286 31.04 1489.72 1023.666 6.15 6.15 11.056 3.52487 4.88806 31.19 1489.08 1023.827 6.45 6.45 10.961 3.52251 4.89769 31.25 1488.82 1023.890 6.75 6.75 10.865 3.52027 4.90766 31.30 1488.55 1023.954 7.05 7.05 10.793 3.51893 4.91564 31.35 1488.36 1024.005 7.35 7.34 10.728 3.51679 4.92169 31.39 1488.17 1024.045 7.65 7.64 10.670 3.51462 4.92655 31.42 1488.01 1024.078 7.95 7.94 10.634 3.51398 4.93059 31.44 1487.91 1024.104 8.25 8.24 10.604 3.51350 4.93417 31.46 1487.83 1024.127 8.55 8.54 10.582 3.51257 4.93588 31.47 1487.77 1024.140 8.85 8.84 10.555 3.51244 4.93949 31.49 1487.71 1024.163 9.15 9.14 10.505 3.51074 4.94395 31.52 1487.57 1024.193 9.45 9.43 10.461 3.50974 4.94869 31.55 1487.45 1024.223 9.75 9.73 10.429 3.50901 4.95215 31.57 1487.36 1024.246 10.05 10.03 10.397 3.50786 4.95499 31.58 1487.27 1024.265 10.35 10.33 10.376 3.50788 4.95805 31.60 1487.22 1024.285 10.65 10.63 10.358 3.50714 4.95950 31.61 1487.17 1024.296 10.95 10.93 10.322 3.50582 4.96271 31.63 1487.07 1024.317 11.25 11.23 10.290 3.50449 4.96531 31.64 1486.98 1024.335 11.55 11.52 10.264 3.50365 4.96768 31.66 1486.91 1024.351 11.85 11.82 10.241 3.50209 4.96879 31.66 1486.83 1024.360 12.15 12.12 10.222 3.50070 4.96948 31.66 1486.77 1024.366 12.45 12.42 10.194 3.50028 4.97286 31.68 1486.70 1024.388 12.75 12.72 10.169 3.50033 4.97647 31.71 1486.64 1024.411 13.05 13.02 10.139 3.49925 4.97910 31.72 1486.56 1024.429 13.35 13.32 10.096 3.49582 4.98038 31.72 1486.41 1024.440 13.65 13.61 10.052 3.49410 4.98417 31.74 1486.28 1024.465 13.95 13.91 10.023 3.49204 4.98541 31.75 1486.19 1024.475 14.25 14.21 9.997 3.49065 4.98705 31.76 1486.11 1024.487 14.55 14.51 9.967 3.48906 4.98903 31.77 1486.02 1024.501 14.85 14.81 9.931 3.48665 4.99076 31.78 1485.90 1024.514 15.15 15.11 9.887 3.48773 4.99866 31.83 1485.81 1024.562 15.45 15.41 9.871 3.48679 4.99951 31.83 1485.76 1024.569 15.75 15.70 9.846 3.48570 5.00161 31.84 1485.69 1024.583 16.05 16.00 9.821 3.48557 5.00503 31.86 1485.63 1024.605 16.35 16.30 9.792 3.48561 5.00925 31.89 1485.56 1024.631 16.65 16.60 9.768 3.48395 5.01022 31.89 1485.48 1024.639 16.95 16.90 9.739 3.48339 5.01360 31.91 1485.40 1024.661 17.25 17.20 9.716 3.48330 5.01689 31.93 1485.35 1024.682 17.55 17.49 9.692 3.48298 5.01988 31.95 1485.29 1024.701 17.85 17.79 9.676 3.48166 5.02026 31.95 1485.23 1024.705 18.15 18.09 9.656 3.48001 5.02076 31.95 1485.17 1024.710 18.45 18.39 9.637 3.47921 5.02233 31.96 1485.11 1024.721 18.75 18.69 9.617 3.47852 5.02426 31.97 1485.06 1024.734 19.05 18.99 9.604 3.47899 5.02690 31.99 1485.03 1024.751 19.35 19.29 9.594 3.47948 5.02908 32.00 1485.02 1024.764 19.65 19.58 9.585 3.47918 5.02987 32.00 1485.00 1024.771 19.95 19.88 9.580 3.47897 5.03030 32.01 1484.99 1024.774 20.25 20.18 9.572 3.47862 5.03105 32.01 1484.97 1024.780 20.55 20.48 9.564 3.47853 5.03202 32.02 1484.95 1024.787 20.85 20.78 9.557 3.47794 5.03217 32.02 1484.93 1024.790 21.15 21.08 9.555 3.47790 5.03247 32.02 1484.93 1024.793 21.45 21.37 9.549 3.47801 5.03338 32.02 1484.92 1024.799 21.75 21.67 9.538 3.47802 5.03500 32.03 1484.90 1024.810 22.05 21.97 9.520 3.47759 5.03713 32.05 1484.85 1024.824 22.35 22.27 9.494 3.47591 5.03846 32.05 1484.77 1024.834 22.65 22.57 9.487 3.47615 5.03987 32.06 1484.76 1024.844 22.95 22.87 9.485 3.47700 5.04126 32.07 1484.77 1024.853 23.25 23.16 9.479 3.47719 5.04242 32.08 1484.76 1024.861 23.55 23.46 9.478 3.47647 5.04157 32.07 1484.75 1024.857 23.85 23.76 9.475 3.47688 5.04259 32.08 1484.75 1024.864 24.15 24.06 9.475 3.47762 5.04369 32.08 1484.77 1024.872 24.45 24.36 9.476 3.47715 5.04283 32.08 1484.77 1024.868 24.75 24.66 9.480 3.47748 5.04270 32.08 1484.79 1024.868 25.05 24.96 9.471 3.47683 5.04318 32.08 1484.76 1024.873 25.35 25.25 9.461 3.47567 5.04295 32.08 1484.73 1024.873 25.65 25.55 9.453 3.47695 5.04593 32.10 1484.73 1024.891 25.95 25.85 9.454 3.47853 5.04813 32.11 1484.75 1024.905 26.25 26.15 9.452 3.47822 5.04792 32.11 1484.75 1024.905 26.55 26.45 9.450 3.47923 5.04965 32.12 1484.76 1024.916 26.85 26.75 9.445 3.47975 5.05115 32.13 1484.76 1024.926 27.15 27.04 9.444 3.48028 5.05215 32.14 1484.77 1024.932 27.45 27.34 9.437 3.48006 5.05284 32.14 1484.75 1024.938 27.75 27.64 9.429 3.47989 5.05378 32.15 1484.73 1024.945 28.05 27.94 9.421 3.47972 5.05463 32.15 1484.72 1024.951 28.35 28.24 9.418 3.47950 5.05479 32.15 1484.71 1024.953 28.65 28.54 9.412 3.47968 5.05594 32.16 1484.70 1024.961 28.95 28.83 9.402 3.47969 5.05744 32.17 1484.68 1024.971 29.25 29.13 9.389 3.47923 5.05857 32.18 1484.65 1024.979 29.55 29.43 9.375 3.47879 5.06003 32.18 1484.61 1024.990 29.85 29.73 9.361 3.47816 5.06121 32.19 1484.57 1024.998 30.15 30.03 9.342 3.47682 5.06211 32.19 1484.51 1025.005 30.45 30.33 9.333 3.47681 5.06343 32.20 1484.49 1025.014 30.75 30.62 9.315 3.47639 5.06533 32.21 1484.45 1025.027 31.05 30.92 9.305 3.47597 5.06622 32.22 1484.42 1025.033 31.35 31.22 9.298 3.47550 5.06662 32.22 1484.40 1025.037 31.65 31.52 9.289 3.47575 5.06837 32.23 1484.38 1025.049 31.95 31.82 9.285 3.47570 5.06887 32.23 1484.38 1025.053 32.25 32.12 9.283 3.47579 5.06929 32.23 1484.38 1025.057 32.55 32.41 9.280 3.47563 5.06942 32.24 1484.37 1025.059 32.85 32.71 9.277 3.47574 5.07008 32.24 1484.37 1025.064 33.15 33.01 9.274 3.47513 5.06959 32.24 1484.36 1025.062 33.45 33.31 9.272 3.47499 5.06968 32.24 1484.36 1025.064 33.75 33.61 9.266 3.47452 5.06985 32.24 1484.34 1025.067 34.05 33.91 9.269 3.47505 5.07024 32.24 1484.36 1025.070 34.35 34.20 9.267 3.47369 5.06855 32.23 1484.34 1025.062 34.65 34.50 9.257 3.47426 5.07091 32.24 1484.33 1025.077 34.95 34.80 9.244 3.47333 5.07139 32.24 1484.29 1025.081 35.25 35.10 9.241 3.47471 5.07391 32.26 1484.30 1025.097 35.55 35.40 9.239 3.47335 5.07225 32.25 1484.29 1025.089 35.85 35.70 9.235 3.47329 5.07266 32.25 1484.28 1025.093 36.15 35.99 9.229 3.47301 5.07319 32.25 1484.27 1025.097 36.45 36.29 9.225 3.47271 5.07339 32.25 1484.26 1025.099 36.75 36.59 9.211 3.47227 5.07481 32.26 1484.22 1025.109 37.05 36.89 9.197 3.47140 5.07555 32.26 1484.18 1025.115 37.35 37.19 9.186 3.47230 5.07855 32.28 1484.17 1025.134 37.66 37.50 9.190 3.47235 5.07799 32.28 1484.18 1025.132