*2026/01/16 10:37:56.35 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/24 19:27:47.000 END TIME : UTC 2025/06/24 19:28:13.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 133 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 39.85 2 Depth metres 0.15 39.75 3 Temperature 'deg C (ITS90)' 12.962 13.763 4 Conductivity S/m 3.36035 3.46164 5 Conductance:Specific S/m 4.33965 4.55891 6 Salinity PSS-78 27.56 29.03 7 Speed:Sound m/s 1492.94 1494.04 8 Density kg/m^3 1020.503 1021.961 $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 : 2025-087 AGENCY : Pacific Biological Station COUNTRY : Canada PROJECT : PSSI SCIENTIST : Deeg C. PLATFORM : Other Vessel *LOCATION GEOGRAPHIC AREA : West Coast Vancouver Island EVENT NUMBER : 185 LATITUDE : 49 15.20050 N ! (deg min) LONGITUDE : 125 51.45380 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20250624_192747 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 10:33:32 133 133 MERGEHDR 1.3 2026/01/16 10:35:46 133 133 HDREDIT2 3.2 2026/01/16 10:36:17 ? ? REMOVECH 8.2 2026/01/16 10:36:47 133 133 CALIB 12.1 2026/01/16 10:37:19 133 133 CLEAN 5.3 2026/01/16 10:37:56 133 133 $END $REMARKS -HEADER EDITS: 2026/01/16 10:36:17 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 10:36:47 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 10:37:19 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 10:37:42 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 13.752 3.37362 4.35284 27.65 1494.04 1020.567 0.45 0.45 13.763 3.36649 4.34239 27.58 1494.00 1020.510 0.75 0.75 13.717 3.36035 4.33965 27.56 1493.82 1020.503 1.05 1.05 13.402 3.40316 4.43096 28.18 1493.50 1021.043 1.35 1.35 13.195 3.44785 4.51352 28.74 1493.47 1021.521 1.65 1.65 13.178 3.44891 4.51694 28.77 1493.45 1021.543 1.95 1.95 13.163 3.44919 4.51899 28.78 1493.42 1021.558 2.25 2.25 13.125 3.44705 4.52069 28.79 1493.31 1021.573 2.55 2.55 13.111 3.44792 4.52355 28.81 1493.28 1021.592 2.85 2.84 13.083 3.44716 4.52585 28.82 1493.21 1021.609 3.15 3.14 13.046 3.44438 4.52664 28.82 1493.09 1021.619 3.45 3.44 13.020 3.44235 4.52697 28.82 1493.01 1021.626 3.75 3.74 13.000 3.44248 4.52962 28.84 1492.97 1021.644 4.05 4.04 12.989 3.44466 4.53371 28.87 1492.97 1021.669 4.35 4.34 12.983 3.44513 4.53513 28.88 1492.96 1021.679 4.65 4.64 12.978 3.44512 4.53572 28.88 1492.96 1021.684 4.95 4.94 12.974 3.44490 4.53590 28.88 1492.95 1021.687 5.25 5.24 12.971 3.44426 4.53533 28.88 1492.94 1021.685 5.55 5.54 12.971 3.44374 4.53470 28.87 1492.94 1021.683 5.85 5.84 12.969 3.44404 4.53538 28.88 1492.94 1021.688 6.15 6.14 12.969 3.44442 4.53585 28.88 1492.95 1021.692 6.45 6.44 12.970 3.44647 4.53846 28.90 1492.98 1021.707 6.75 6.74 12.967 3.44639 4.53869 28.90 1492.98 1021.710 7.05 7.04 12.968 3.44630 4.53847 28.90 1492.98 1021.710 7.35 7.33 12.969 3.44757 4.53995 28.91 1493.00 1021.719 7.65 7.63 12.973 3.44689 4.53862 28.90 1493.01 1021.713 7.95 7.93 12.980 3.44708 4.53804 28.90 1493.04 1021.710 8.25 8.23 12.988 3.44660 4.53645 28.89 1493.05 1021.702 8.55 8.53 13.004 3.45104 4.54039 28.92 1493.15 1021.723 8.85 8.83 13.009 3.45384 4.54351 28.94 1493.20 1021.740 9.15 9.13 13.009 3.45386 4.54350 28.94 1493.20 1021.741 9.45 9.43 13.014 3.45396 4.54304 28.93 1493.22 1021.740 9.75 9.73 13.016 3.45566 4.54502 28.95 1493.25 1021.751 10.05 10.03 13.020 3.45624 4.54534 28.95 1493.27 1021.754 10.35 10.33 13.021 3.45613 4.54497 28.95 1493.28 1021.753 10.65 10.63 13.023 3.45697 4.54586 28.95 1493.29 1021.759 10.95 10.93 13.026 3.45685 4.54536 28.95 1493.31 1021.757 11.25 11.23 13.027 3.45657 4.54489 28.95 1493.31 1021.756 11.55 11.53 13.027 3.45615 4.54429 28.94 1493.31 1021.754 11.85 11.82 13.029 3.45755 4.54599 28.96 1493.33 1021.764 12.15 12.12 13.029 3.45714 4.54537 28.95 1493.34 1021.762 12.45 12.42 13.030 3.45743 4.54569 28.95 1493.35 1021.765 12.75 12.72 13.029 3.45755 4.54599 28.96 1493.35 1021.768 13.05 13.02 13.027 3.45675 4.54508 28.95 1493.34 1021.764 13.35 13.32 13.026 3.45798 4.54686 28.96 1493.36 1021.775 13.65 13.62 13.027 3.45801 4.54683 28.96 1493.36 1021.776 13.95 13.92 13.027 3.45708 4.54556 28.95 1493.36 1021.771 14.25 14.22 13.028 3.45716 4.54556 28.95 1493.37 1021.772 14.55 14.52 13.027 3.45689 4.54533 28.95 1493.37 1021.772 14.85 14.82 13.028 3.45623 4.54435 28.94 1493.37 1021.768 15.15 15.12 13.027 3.45660 4.54499 28.95 1493.37 1021.773 15.45 15.42 13.028 3.45751 4.54606 28.95 1493.39 1021.780 15.75 15.72 13.027 3.45718 4.54568 28.95 1493.39 1021.779 16.05 16.01 13.027 3.45751 4.54609 28.95 1493.40 1021.782 16.35 16.31 13.026 3.45736 4.54605 28.95 1493.40 1021.784 16.65 16.61 13.025 3.45689 4.54549 28.95 1493.40 1021.782 16.95 16.91 13.024 3.45714 4.54596 28.95 1493.40 1021.786 17.25 17.21 13.022 3.45800 4.54738 28.96 1493.41 1021.795 17.55 17.51 13.022 3.45682 4.54584 28.95 1493.40 1021.788 17.85 17.81 13.022 3.45599 4.54475 28.94 1493.40 1021.783 18.15 18.11 13.021 3.45718 4.54644 28.96 1493.41 1021.794 18.45 18.41 13.021 3.45720 4.54644 28.96 1493.42 1021.795 18.75 18.71 13.022 3.45766 4.54686 28.96 1493.43 1021.799 19.05 19.01 13.024 3.45748 4.54650 28.96 1493.44 1021.798 19.35 19.31 13.023 3.45743 4.54655 28.96 1493.44 1021.799 19.65 19.61 13.022 3.45678 4.54580 28.95 1493.43 1021.797 19.95 19.91 13.019 3.45697 4.54634 28.95 1493.43 1021.801 20.25 20.20 13.021 3.45667 4.54579 28.95 1493.44 1021.799 20.55 20.50 13.022 3.45737 4.54655 28.96 1493.46 1021.805 20.85 20.80 13.021 3.45617 4.54505 28.94 1493.44 1021.798 21.15 21.10 13.020 3.45704 4.54632 28.95 1493.46 1021.806 21.45 21.40 13.020 3.45698 4.54630 28.95 1493.46 1021.807 21.75 21.70 13.018 3.45740 4.54701 28.96 1493.47 1021.813 22.05 22.00 13.017 3.45867 4.54883 28.97 1493.48 1021.824 22.35 22.30 13.018 3.45864 4.54868 28.97 1493.49 1021.824 22.65 22.60 13.017 3.45822 4.54821 28.97 1493.49 1021.823 22.95 22.90 13.018 3.45826 4.54817 28.97 1493.49 1021.824 23.25 23.20 13.017 3.45887 4.54909 28.97 1493.50 1021.831 23.55 23.50 13.018 3.45897 4.54915 28.97 1493.51 1021.832 23.85 23.80 13.017 3.45902 4.54932 28.97 1493.51 1021.834 24.15 24.10 13.015 3.45994 4.55071 28.98 1493.52 1021.843 24.45 24.39 13.015 3.46037 4.55137 28.99 1493.53 1021.848 24.75 24.69 13.012 3.46031 4.55157 28.99 1493.53 1021.851 25.05 24.99 13.011 3.45927 4.55037 28.98 1493.52 1021.846 25.35 25.29 13.010 3.45976 4.55109 28.99 1493.53 1021.851 25.65 25.59 13.010 3.46089 4.55265 29.00 1493.54 1021.861 25.95 25.89 13.008 3.46142 4.55350 29.00 1493.55 1021.867 26.25 26.19 13.006 3.46164 4.55407 29.01 1493.55 1021.872 26.55 26.49 13.005 3.46142 4.55393 29.00 1493.55 1021.872 26.85 26.79 13.003 3.46069 4.55323 29.00 1493.54 1021.870 27.15 27.09 13.000 3.46087 4.55374 29.00 1493.55 1021.875 27.45 27.39 12.999 3.46104 4.55414 29.00 1493.55 1021.878 27.75 27.69 12.998 3.46028 4.55328 29.00 1493.54 1021.875 28.05 27.99 12.997 3.46101 4.55436 29.01 1493.55 1021.882 28.35 28.29 12.996 3.46086 4.55427 29.01 1493.55 1021.883 28.65 28.58 12.995 3.46019 4.55352 29.00 1493.55 1021.880 28.95 28.88 12.994 3.46070 4.55430 29.01 1493.56 1021.886 29.25 29.18 12.992 3.46065 4.55443 29.01 1493.56 1021.888 29.55 29.48 12.991 3.46063 4.55450 29.01 1493.56 1021.890 29.85 29.78 12.990 3.46065 4.55470 29.01 1493.56 1021.892 30.15 30.08 12.990 3.46058 4.55465 29.01 1493.56 1021.893 30.45 30.38 12.985 3.45987 4.55426 29.00 1493.55 1021.893 30.75 30.68 12.984 3.46007 4.55464 29.01 1493.55 1021.897 31.05 30.98 12.983 3.46004 4.55468 29.01 1493.56 1021.898 31.35 31.28 12.983 3.46009 4.55475 29.01 1493.56 1021.900 31.65 31.58 12.982 3.45978 4.55454 29.00 1493.56 1021.900 31.95 31.88 12.980 3.46011 4.55519 29.01 1493.56 1021.905 32.25 32.18 12.976 3.45995 4.55539 29.01 1493.56 1021.908 32.55 32.47 12.974 3.45976 4.55549 29.01 1493.55 1021.910 32.85 32.77 12.972 3.45992 4.55583 29.01 1493.56 1021.914 33.15 33.07 12.971 3.45981 4.55580 29.01 1493.56 1021.915 33.45 33.37 12.971 3.45972 4.55580 29.01 1493.56 1021.916 33.75 33.67 12.968 3.45983 4.55620 29.01 1493.56 1021.920 34.05 33.97 12.968 3.46027 4.55683 29.02 1493.57 1021.925 34.35 34.27 12.966 3.45997 4.55663 29.02 1493.57 1021.925 34.65 34.57 12.966 3.46031 4.55710 29.02 1493.57 1021.929 34.95 34.87 12.965 3.45981 4.55652 29.02 1493.57 1021.927 35.25 35.17 12.966 3.46039 4.55725 29.02 1493.58 1021.932 35.55 35.47 12.967 3.46013 4.55680 29.02 1493.59 1021.931 35.85 35.77 12.967 3.46009 4.55674 29.02 1493.59 1021.932 36.15 36.07 12.968 3.45977 4.55618 29.01 1493.60 1021.930 36.45 36.37 12.967 3.46056 4.55731 29.02 1493.61 1021.937 36.75 36.66 12.968 3.45937 4.55564 29.01 1493.60 1021.930 37.05 36.96 12.967 3.46008 4.55668 29.02 1493.61 1021.937 37.35 37.26 12.967 3.46007 4.55668 29.02 1493.62 1021.938 37.65 37.56 12.967 3.45989 4.55647 29.01 1493.62 1021.938 37.95 37.86 12.969 3.46022 4.55669 29.02 1493.63 1021.940 38.25 38.16 12.968 3.45982 4.55620 29.01 1493.63 1021.939 38.55 38.46 12.968 3.46033 4.55684 29.02 1493.64 1021.944 38.85 38.76 12.968 3.46055 4.55716 29.02 1493.65 1021.947 39.15 39.06 12.965 3.45983 4.55662 29.02 1493.64 1021.945 39.45 39.36 12.963 3.46091 4.55821 29.03 1493.65 1021.956 39.85 39.75 12.962 3.46134 4.55891 29.03 1493.66 1021.961