*2026/01/16 09:57:49.07 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/04/23 23:51:08.000 END TIME : UTC 2024/04/23 23:51:30.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 113 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 33.61 2 Depth metres 0.15 33.46 3 Temperature 'deg C (ITS90)' 9.939 12.297 4 Conductivity S/m 3.24648 3.51173 5 Conductance:Specific S/m 4.35341 5.02288 6 Salinity PSS-78 27.54 32 7 Speed:Sound m/s 1485.61 1489.03 8 Density kg/m^3 1020.759 1024.769 $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 : 82 LATITUDE : 48 58.19500 N ! (deg min) LONGITUDE : 125 5.28950 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240423_235108 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:57 113 113 MERGEHDR 1.3 2026/01/16 09:53:49 113 113 HDREDIT2 3.2 2026/01/16 09:55:03 ? ? REMOVECH 8.2 2026/01/16 09:56:15 113 113 CALIB 12.1 2026/01/16 09:56:48 113 113 CLEAN 5.3 2026/01/16 09:57:49 113 113 $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 12.281 3.24846 4.35677 27.57 1488.94 1020.776 0.45 0.45 12.297 3.24780 4.35392 27.55 1488.98 1020.760 0.75 0.75 12.292 3.24690 4.35341 27.54 1488.96 1020.759 1.05 1.05 12.285 3.24648 4.35362 27.55 1488.94 1020.762 1.35 1.35 12.278 3.24722 4.35536 27.56 1488.94 1020.773 1.65 1.65 12.268 3.24846 4.35824 27.58 1488.93 1020.792 1.95 1.95 12.263 3.24938 4.36007 27.59 1488.93 1020.803 2.25 2.25 12.250 3.25440 4.36827 27.64 1488.96 1020.850 2.55 2.55 12.237 3.26307 4.38148 27.74 1489.03 1020.925 2.85 2.85 12.203 3.27056 4.39555 27.83 1489.03 1021.006 3.15 3.15 12.060 3.29544 4.44607 28.17 1488.94 1021.298 3.45 3.44 11.876 3.32151 4.50357 28.56 1488.77 1021.631 3.75 3.74 11.653 3.34057 4.55698 28.91 1488.41 1021.947 4.05 4.04 11.516 3.34621 4.58190 29.08 1488.13 1022.098 4.35 4.34 11.439 3.35452 4.60296 29.22 1488.03 1022.221 4.65 4.64 11.317 3.36241 4.62925 29.39 1487.81 1022.378 4.95 4.94 11.227 3.37017 4.65153 29.54 1487.68 1022.509 5.25 5.24 11.154 3.37817 4.67187 29.67 1487.59 1022.628 5.55 5.54 11.069 3.38834 4.69707 29.84 1487.49 1022.775 5.85 5.84 11.007 3.39444 4.71363 29.95 1487.41 1022.872 6.15 6.14 10.964 3.40868 4.73901 30.12 1487.47 1023.016 6.45 6.44 10.920 3.41265 4.75037 30.20 1487.41 1023.084 6.75 6.73 10.886 3.41485 4.75787 30.25 1487.35 1023.129 7.05 7.03 10.833 3.41962 4.77163 30.34 1487.28 1023.210 7.35 7.33 10.750 3.42554 4.79094 30.47 1487.14 1023.324 7.65 7.63 10.703 3.43115 4.80507 30.56 1487.09 1023.407 7.95 7.93 10.637 3.43982 4.82618 30.70 1487.03 1023.529 8.25 8.23 10.573 3.44449 4.84138 30.80 1486.93 1023.619 8.55 8.53 10.505 3.44652 4.85363 30.88 1486.78 1023.693 8.85 8.83 10.476 3.44778 4.85929 30.92 1486.73 1023.728 9.15 9.13 10.456 3.44767 4.86193 30.93 1486.68 1023.745 9.45 9.42 10.429 3.44754 4.86541 30.95 1486.62 1023.767 9.75 9.72 10.401 3.44822 4.87025 30.98 1486.56 1023.797 10.05 10.02 10.349 3.44841 4.87765 31.03 1486.43 1023.843 10.35 10.32 10.309 3.44815 4.88277 31.06 1486.33 1023.875 10.65 10.62 10.297 3.44823 4.88453 31.07 1486.31 1023.887 10.95 10.92 10.281 3.44778 4.88611 31.08 1486.26 1023.898 11.25 11.22 10.232 3.44729 4.89231 31.12 1486.13 1023.937 11.55 11.51 10.205 3.44706 4.89573 31.14 1486.07 1023.959 11.85 11.81 10.185 3.44568 4.89645 31.14 1486.01 1023.966 12.15 12.11 10.150 3.44478 4.90007 31.16 1485.91 1023.989 12.45 12.41 10.118 3.44486 4.90472 31.19 1485.83 1024.018 12.75 12.71 10.110 3.44456 4.90541 31.20 1485.81 1024.024 13.05 13.01 10.104 3.44459 4.90632 31.20 1485.80 1024.031 13.35 13.31 10.095 3.44322 4.90564 31.20 1485.77 1024.029 13.65 13.61 10.083 3.44315 4.90709 31.20 1485.74 1024.039 13.95 13.90 10.074 3.44318 4.90839 31.21 1485.72 1024.048 14.25 14.20 10.060 3.44301 4.91019 31.22 1485.69 1024.060 14.55 14.50 10.036 3.44680 4.91896 31.28 1485.68 1024.111 14.85 14.80 10.023 3.44781 4.92220 31.30 1485.66 1024.131 15.15 15.10 10.002 3.44888 4.92672 31.33 1485.62 1024.158 15.45 15.40 9.984 3.45095 4.93217 31.37 1485.61 1024.191 15.75 15.70 9.978 3.45315 4.93618 31.40 1485.63 1024.214 16.05 15.99 9.977 3.45380 4.93731 31.40 1485.63 1024.222 16.35 16.29 9.987 3.46044 4.94538 31.46 1485.75 1024.267 16.65 16.59 9.995 3.46505 4.95074 31.50 1485.83 1024.297 16.95 16.89 10.003 3.46591 4.95090 31.50 1485.86 1024.299 17.25 17.19 10.006 3.46620 4.95086 31.50 1485.88 1024.300 17.55 17.49 10.007 3.46636 4.95093 31.50 1485.89 1024.301 17.85 17.79 10.007 3.46694 4.95176 31.51 1485.90 1024.307 18.15 18.08 10.008 3.46904 4.95471 31.53 1485.93 1024.325 18.45 18.38 10.004 3.47122 4.95829 31.55 1485.96 1024.346 18.75 18.68 10.002 3.47683 4.96668 31.61 1486.02 1024.394 19.05 18.98 9.999 3.47956 4.97097 31.64 1486.06 1024.419 19.35 19.28 9.996 3.48192 4.97477 31.67 1486.08 1024.441 19.65 19.58 9.994 3.48408 4.97804 31.69 1486.11 1024.460 19.95 19.88 9.992 3.48581 4.98091 31.71 1486.13 1024.478 20.25 20.17 9.984 3.48751 4.98439 31.73 1486.14 1024.499 20.55 20.47 9.984 3.48937 4.98710 31.75 1486.16 1024.515 20.85 20.77 9.983 3.49013 4.98835 31.76 1486.17 1024.523 21.15 21.07 9.986 3.49191 4.99045 31.78 1486.21 1024.536 21.45 21.37 9.982 3.49182 4.99095 31.78 1486.20 1024.540 21.75 21.67 9.981 3.49113 4.98998 31.77 1486.20 1024.536 22.05 21.96 9.987 3.49219 4.99071 31.78 1486.23 1024.541 22.35 22.26 9.987 3.49236 4.99094 31.78 1486.23 1024.543 22.65 22.56 9.980 3.49191 4.99131 31.78 1486.22 1024.547 22.95 22.86 9.979 3.49226 4.99191 31.79 1486.22 1024.552 23.25 23.16 9.977 3.49307 4.99332 31.80 1486.23 1024.561 23.55 23.46 9.974 3.49473 4.99625 31.82 1486.25 1024.578 23.85 23.76 9.969 3.49470 4.99687 31.82 1486.24 1024.583 24.15 24.05 9.969 3.49571 4.99826 31.83 1486.26 1024.592 24.45 24.35 9.970 3.49672 4.99959 31.84 1486.28 1024.601 24.75 24.65 9.969 3.49747 5.00077 31.85 1486.29 1024.609 25.05 24.95 9.970 3.49850 5.00216 31.86 1486.31 1024.618 25.35 25.25 9.966 3.50002 5.00492 31.88 1486.32 1024.634 25.65 25.55 9.956 3.50011 5.00638 31.88 1486.30 1024.644 25.95 25.85 9.956 3.49976 5.00595 31.88 1486.30 1024.643 26.25 26.14 9.957 3.50037 5.00671 31.89 1486.32 1024.649 26.55 26.44 9.958 3.50107 5.00756 31.89 1486.33 1024.655 26.85 26.74 9.957 3.50086 5.00741 31.89 1486.33 1024.655 27.15 27.04 9.957 3.50086 5.00736 31.89 1486.34 1024.656 27.45 27.34 9.956 3.50140 5.00829 31.90 1486.35 1024.662 27.75 27.64 9.958 3.50243 5.00951 31.91 1486.37 1024.670 28.05 27.93 9.960 3.50322 5.01031 31.91 1486.39 1024.676 28.35 28.23 9.953 3.50363 5.01197 31.92 1486.38 1024.687 28.65 28.53 9.951 3.50347 5.01194 31.92 1486.38 1024.688 28.95 28.83 9.948 3.50370 5.01273 31.93 1486.38 1024.694 29.25 29.13 9.945 3.50442 5.01418 31.94 1486.39 1024.703 29.55 29.43 9.945 3.50382 5.01340 31.93 1486.38 1024.700 29.85 29.73 9.942 3.50438 5.01458 31.94 1486.39 1024.708 30.15 30.02 9.939 3.50429 5.01484 31.94 1486.38 1024.711 30.45 30.32 9.939 3.50469 5.01543 31.94 1486.39 1024.716 30.75 30.62 9.939 3.50494 5.01579 31.95 1486.40 1024.719 31.05 30.92 9.941 3.50582 5.01677 31.95 1486.42 1024.725 31.35 31.22 9.944 3.50636 5.01707 31.96 1486.44 1024.728 31.65 31.52 9.945 3.50678 5.01754 31.96 1486.45 1024.732 31.95 31.81 9.945 3.50834 5.01985 31.98 1486.48 1024.746 32.25 32.11 9.947 3.51016 5.02207 31.99 1486.51 1024.759 32.55 32.41 9.953 3.51124 5.02276 32.00 1486.54 1024.764 32.85 32.71 9.959 3.51173 5.02259 32.00 1486.57 1024.764 33.15 33.01 9.960 3.51141 5.02206 31.99 1486.57 1024.762 33.45 33.31 9.954 3.51142 5.02288 32.00 1486.56 1024.768 33.61 33.46 9.954 3.51133 5.02282 32.00 1486.56 1024.769