*2026/01/16 09:57:49.85 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/04/25 21:12:01.000 END TIME : UTC 2024/04/25 21:12:21.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 105 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 31.48 2 Depth metres 0.15 31.43 3 Temperature 'deg C (ITS90)' 10.648 10.71 4 Conductivity S/m 3.06546 3.17404 5 Conductance:Specific S/m 4.29633 4.45044 6 Salinity PSS-78 27 28.06 7 Speed:Sound m/s 1482.6 1484.31 8 Density kg/m^3 1020.616 1021.578 $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 : 96 LATITUDE : 49 16.71910 N ! (deg min) LONGITUDE : 125 48.52590 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240425_211201 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:58 105 105 MERGEHDR 1.3 2026/01/16 09:53:50 105 105 HDREDIT2 3.2 2026/01/16 09:55:04 ? ? REMOVECH 8.2 2026/01/16 09:56:16 105 105 CALIB 12.1 2026/01/16 09:56:48 105 105 CLEAN 5.3 2026/01/16 09:57:49 105 105 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:04 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 09:56:16 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 10.710 3.08567 4.32051 27.17 1482.91 1020.737 0.45 0.45 10.709 3.08089 4.31385 27.13 1482.86 1020.702 0.75 0.75 10.705 3.07754 4.30964 27.10 1482.81 1020.681 1.05 1.05 10.694 3.07142 4.30239 27.04 1482.71 1020.644 1.35 1.35 10.694 3.07175 4.30286 27.05 1482.72 1020.648 1.65 1.65 10.681 3.06603 4.29642 27.00 1482.63 1020.616 1.95 1.95 10.679 3.06575 4.29633 27.00 1482.62 1020.617 2.25 2.25 10.670 3.06546 4.29693 27.00 1482.60 1020.622 2.55 2.55 10.666 3.07342 4.30859 27.08 1482.69 1020.686 2.85 2.85 10.661 3.07535 4.31195 27.11 1482.70 1020.706 3.15 3.15 10.655 3.07500 4.31215 27.11 1482.68 1020.709 3.45 3.45 10.654 3.07566 4.31320 27.11 1482.69 1020.716 3.75 3.75 10.652 3.07795 4.31665 27.14 1482.72 1020.736 4.05 4.04 10.650 3.07740 4.31611 27.13 1482.71 1020.735 4.35 4.34 10.650 3.08093 4.32110 27.17 1482.76 1020.763 4.65 4.64 10.648 3.08327 4.32463 27.19 1482.78 1020.784 4.95 4.94 10.649 3.08524 4.32719 27.21 1482.82 1020.799 5.25 5.24 10.648 3.08621 4.32875 27.22 1482.83 1020.808 5.55 5.54 10.648 3.08708 4.32991 27.23 1482.85 1020.816 5.85 5.84 10.650 3.08745 4.33029 27.23 1482.86 1020.819 6.15 6.14 10.653 3.08780 4.33039 27.23 1482.87 1020.821 6.45 6.44 10.656 3.08893 4.33162 27.24 1482.90 1020.828 6.75 6.74 10.657 3.08931 4.33194 27.24 1482.91 1020.831 7.05 7.04 10.659 3.09152 4.33488 27.26 1482.95 1020.848 7.35 7.34 10.663 3.09222 4.33539 27.27 1482.97 1020.852 7.65 7.64 10.667 3.09281 4.33571 27.27 1483.00 1020.855 7.95 7.94 10.669 3.09306 4.33578 27.27 1483.01 1020.856 8.25 8.24 10.669 3.09356 4.33644 27.28 1483.02 1020.861 8.55 8.54 10.670 3.09406 4.33704 27.28 1483.03 1020.865 8.85 8.84 10.671 3.09447 4.33753 27.28 1483.05 1020.869 9.15 9.14 10.672 3.09430 4.33712 27.28 1483.05 1020.868 9.45 9.44 10.673 3.09551 4.33876 27.29 1483.07 1020.878 9.75 9.74 10.675 3.09834 4.34249 27.32 1483.12 1020.900 10.05 10.04 10.679 3.09907 4.34301 27.32 1483.14 1020.903 10.35 10.34 10.682 3.10115 4.34552 27.34 1483.18 1020.918 10.65 10.64 10.682 3.10194 4.34662 27.35 1483.19 1020.925 10.95 10.93 10.681 3.10230 4.34724 27.35 1483.20 1020.930 11.25 11.23 10.681 3.10223 4.34712 27.35 1483.20 1020.930 11.55 11.53 10.684 3.10224 4.34685 27.35 1483.21 1020.930 11.85 11.83 10.685 3.10281 4.34749 27.35 1483.23 1020.935 12.15 12.13 10.685 3.10386 4.34903 27.36 1483.25 1020.944 12.45 12.43 10.685 3.10426 4.34958 27.37 1483.26 1020.949 12.75 12.73 10.682 3.10527 4.35134 27.38 1483.26 1020.960 13.05 13.03 10.677 3.10538 4.35207 27.38 1483.26 1020.965 13.35 13.33 10.670 3.10606 4.35390 27.40 1483.25 1020.977 13.65 13.63 10.671 3.10726 4.35548 27.41 1483.27 1020.987 13.95 13.93 10.668 3.10796 4.35683 27.42 1483.28 1020.996 14.25 14.23 10.665 3.10899 4.35864 27.43 1483.29 1021.007 14.55 14.53 10.662 3.11078 4.36143 27.45 1483.31 1021.023 14.85 14.83 10.661 3.11207 4.36341 27.46 1483.32 1021.036 15.15 15.13 10.660 3.11199 4.36340 27.46 1483.32 1021.037 15.45 15.43 10.659 3.11236 4.36401 27.46 1483.33 1021.042 15.75 15.73 10.662 3.11281 4.36431 27.47 1483.35 1021.044 16.05 16.03 10.665 3.11345 4.36491 27.47 1483.37 1021.049 16.35 16.33 10.666 3.11341 4.36467 27.47 1483.37 1021.048 16.65 16.63 10.667 3.11359 4.36483 27.47 1483.38 1021.050 16.95 16.93 10.667 3.11377 4.36502 27.47 1483.39 1021.053 17.25 17.22 10.667 3.11488 4.36656 27.48 1483.41 1021.062 17.55 17.52 10.669 3.11621 4.36826 27.49 1483.43 1021.073 17.85 17.82 10.668 3.11709 4.36963 27.50 1483.45 1021.081 18.15 18.12 10.666 3.11787 4.37096 27.51 1483.45 1021.090 18.45 18.42 10.665 3.11882 4.37236 27.52 1483.47 1021.099 18.75 18.72 10.665 3.12009 4.37418 27.53 1483.49 1021.110 19.05 19.02 10.663 3.12325 4.37887 27.57 1483.52 1021.137 19.35 19.32 10.663 3.12805 4.38562 27.61 1483.59 1021.175 19.65 19.62 10.663 3.12997 4.38829 27.63 1483.61 1021.190 19.95 19.92 10.662 3.13076 4.38948 27.64 1483.63 1021.198 20.25 20.22 10.662 3.13160 4.39070 27.65 1483.64 1021.206 20.55 20.52 10.662 3.13293 4.39257 27.66 1483.66 1021.218 20.85 20.82 10.661 3.13276 4.39238 27.66 1483.66 1021.218 21.15 21.12 10.661 3.13381 4.39386 27.67 1483.68 1021.227 21.45 21.42 10.662 3.13461 4.39494 27.68 1483.69 1021.234 21.75 21.72 10.661 3.13501 4.39558 27.68 1483.70 1021.239 22.05 22.02 10.661 3.13544 4.39612 27.69 1483.71 1021.243 22.35 22.32 10.662 3.13609 4.39702 27.69 1483.72 1021.249 22.65 22.62 10.662 3.13579 4.39659 27.69 1483.73 1021.248 22.95 22.91 10.662 3.13575 4.39649 27.69 1483.73 1021.249 23.25 23.21 10.662 3.13611 4.39703 27.69 1483.74 1021.253 23.55 23.51 10.661 3.13669 4.39791 27.70 1483.75 1021.259 23.85 23.81 10.661 3.13653 4.39771 27.70 1483.75 1021.260 24.15 24.11 10.661 3.13726 4.39872 27.70 1483.77 1021.266 24.45 24.41 10.660 3.13918 4.40148 27.72 1483.79 1021.283 24.75 24.71 10.662 3.14041 4.40308 27.73 1483.81 1021.292 25.05 25.01 10.662 3.14118 4.40408 27.74 1483.83 1021.299 25.35 25.31 10.662 3.14172 4.40488 27.74 1483.84 1021.305 25.65 25.61 10.661 3.14267 4.40630 27.75 1483.85 1021.314 25.95 25.91 10.661 3.14286 4.40662 27.76 1483.86 1021.317 26.25 26.21 10.661 3.14330 4.40722 27.76 1483.87 1021.321 26.55 26.51 10.662 3.14353 4.40742 27.76 1483.88 1021.323 26.85 26.81 10.661 3.14421 4.40842 27.77 1483.89 1021.330 27.15 27.11 10.662 3.14412 4.40824 27.77 1483.90 1021.331 27.45 27.41 10.660 3.14535 4.41017 27.78 1483.91 1021.342 27.75 27.71 10.661 3.14497 4.40960 27.78 1483.91 1021.341 28.05 28.01 10.660 3.14535 4.41019 27.78 1483.92 1021.345 28.35 28.30 10.659 3.14673 4.41219 27.79 1483.94 1021.357 28.65 28.60 10.659 3.14880 4.41519 27.82 1483.97 1021.375 28.95 28.90 10.658 3.15213 4.41990 27.85 1484.01 1021.402 29.25 29.20 10.658 3.15251 4.42052 27.85 1484.02 1021.406 29.55 29.50 10.656 3.15433 4.42327 27.87 1484.04 1021.423 29.85 29.80 10.657 3.15673 4.42648 27.89 1484.08 1021.441 30.15 30.10 10.658 3.15961 4.43045 27.92 1484.12 1021.464 30.45 30.40 10.659 3.16404 4.43648 27.96 1484.18 1021.498 30.75 30.70 10.661 3.16877 4.44297 28.01 1484.24 1021.534 31.05 31.00 10.658 3.17101 4.44643 28.03 1484.26 1021.554 31.48 31.43 10.660 3.17404 4.45044 28.06 1484.31 1021.578