*2026/01/16 09:57:57.00 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/11/25 20:53:33.000 END TIME : UTC 2024/11/25 20:54:00.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 138 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 41.16 2 Depth metres 0.15 41.05 3 Temperature 'deg C (ITS90)' 7.651 10.944 4 Conductivity S/m 0.10311 3.47954 5 Conductance:Specific S/m 0.1579 4.87556 6 Salinity PSS-78 0.78 31.04 7 Speed:Sound m/s 1438.68 1488.3 8 Density kg/m^3 1000.489 1023.937 $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 : 299 LATITUDE : 49 10.54940 N ! (deg min) LONGITUDE : 124 49.58930 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241125_205333 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:09 138 138 MERGEHDR 1.3 2026/01/16 09:54:11 138 138 HDREDIT2 3.2 2026/01/16 09:55:15 ? ? REMOVECH 8.2 2026/01/16 09:56:25 138 138 CALIB 12.1 2026/01/16 09:56:58 138 138 CLEAN 5.3 2026/01/16 09:57:57 138 138 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:15 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 09:56:25 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:58 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 7.651 0.10311 0.15790 0.78 1438.68 1000.489 0.45 0.46 7.712 0.10641 0.16265 0.80 1438.97 1000.507 0.75 0.76 7.760 0.12002 0.18318 0.91 1439.31 1000.590 1.05 1.07 7.868 0.13367 0.20334 1.02 1439.90 1000.668 1.35 1.38 8.263 0.19753 0.29693 1.51 1442.18 1001.037 1.65 1.68 8.721 0.46996 0.69684 3.75 1446.85 1002.757 1.95 1.98 9.010 1.37915 2.02754 11.82 1457.93 1009.031 2.25 2.29 9.310 2.39852 3.49536 21.41 1470.78 1016.467 2.55 2.59 9.622 2.79313 4.03376 25.09 1476.43 1019.291 2.85 2.89 9.910 2.92500 4.18938 26.18 1478.84 1020.105 3.15 3.19 10.133 3.01765 4.29458 26.93 1480.57 1020.656 3.45 3.49 10.340 3.10727 4.39621 27.66 1482.21 1021.190 3.75 3.79 10.479 3.15565 4.44718 28.03 1483.17 1021.456 4.05 4.08 10.546 3.19070 4.48810 28.32 1483.77 1021.674 4.35 4.38 10.602 3.23137 4.53817 28.68 1484.40 1021.943 4.65 4.68 10.659 3.24522 4.55036 28.77 1484.72 1022.006 4.95 4.98 10.714 3.27789 4.58905 29.04 1485.26 1022.213 5.25 5.28 10.759 3.29627 4.60900 29.19 1485.60 1022.320 5.55 5.58 10.781 3.30309 4.61566 29.24 1485.74 1022.355 5.85 5.88 10.796 3.30862 4.62155 29.28 1485.85 1022.388 6.15 6.18 10.809 3.32138 4.63765 29.40 1486.04 1022.476 6.45 6.48 10.825 3.32941 4.64679 29.46 1486.18 1022.525 6.75 6.78 10.837 3.33629 4.65475 29.52 1486.30 1022.569 7.05 7.08 10.850 3.34452 4.66458 29.59 1486.44 1022.623 7.35 7.38 10.868 3.35363 4.67498 29.66 1486.59 1022.679 7.65 7.67 10.896 3.36913 4.69295 29.79 1486.85 1022.777 7.95 7.97 10.916 3.37586 4.69965 29.84 1486.99 1022.813 8.25 8.27 10.926 3.37628 4.69895 29.84 1487.03 1022.809 8.55 8.57 10.927 3.37958 4.70337 29.87 1487.07 1022.835 8.85 8.87 10.926 3.38364 4.70919 29.91 1487.12 1022.868 9.15 9.17 10.925 3.38835 4.71588 29.96 1487.18 1022.906 9.45 9.47 10.929 3.39305 4.72193 30.00 1487.25 1022.940 9.75 9.77 10.938 3.39424 4.72241 30.00 1487.29 1022.943 10.05 10.07 10.944 3.39914 4.72842 30.05 1487.37 1022.977 10.35 10.37 10.938 3.40311 4.73471 30.09 1487.41 1023.013 10.65 10.66 10.934 3.40367 4.73598 30.10 1487.41 1023.022 10.95 10.96 10.941 3.40708 4.73986 30.13 1487.47 1023.043 11.25 11.26 10.939 3.40843 4.74199 30.14 1487.49 1023.057 11.55 11.56 10.934 3.41183 4.74734 30.18 1487.52 1023.088 11.85 11.86 10.939 3.41244 4.74753 30.18 1487.54 1023.089 12.15 12.16 10.940 3.41375 4.74922 30.19 1487.57 1023.100 12.45 12.46 10.939 3.41668 4.75345 30.22 1487.60 1023.124 12.75 12.76 10.937 3.41913 4.75707 30.25 1487.63 1023.146 13.05 13.06 10.932 3.42082 4.76008 30.27 1487.64 1023.164 13.35 13.35 10.926 3.42091 4.76108 30.27 1487.63 1023.171 13.65 13.65 10.911 3.42019 4.76201 30.28 1487.59 1023.179 13.95 13.95 10.918 3.42189 4.76354 30.29 1487.63 1023.188 14.25 14.25 10.919 3.42299 4.76491 30.30 1487.65 1023.197 14.55 14.55 10.918 3.42457 4.76716 30.31 1487.68 1023.210 14.85 14.85 10.916 3.42479 4.76781 30.32 1487.68 1023.215 15.15 15.15 10.915 3.42708 4.77116 30.34 1487.71 1023.235 15.45 15.45 10.912 3.42742 4.77201 30.35 1487.71 1023.241 15.75 15.75 10.908 3.42873 4.77436 30.36 1487.72 1023.256 16.05 16.04 10.905 3.42963 4.77601 30.38 1487.73 1023.266 16.35 16.34 10.901 3.42975 4.77673 30.38 1487.72 1023.272 16.65 16.64 10.897 3.42994 4.77746 30.38 1487.72 1023.277 16.95 16.94 10.896 3.43078 4.77882 30.39 1487.73 1023.286 17.25 17.24 10.886 3.42998 4.77898 30.39 1487.70 1023.289 17.55 17.54 10.873 3.43058 4.78150 30.41 1487.68 1023.305 17.85 17.84 10.879 3.43143 4.78196 30.41 1487.71 1023.309 18.15 18.14 10.882 3.43203 4.78245 30.42 1487.73 1023.312 18.45 18.43 10.879 3.43270 4.78375 30.43 1487.73 1023.321 18.75 18.73 10.874 3.43344 4.78541 30.44 1487.74 1023.332 19.05 19.03 10.872 3.43446 4.78706 30.45 1487.75 1023.342 19.35 19.33 10.871 3.43421 4.78693 30.45 1487.75 1023.343 19.65 19.63 10.870 3.43456 4.78755 30.45 1487.75 1023.348 19.95 19.93 10.868 3.43560 4.78924 30.46 1487.76 1023.358 20.25 20.23 10.860 3.43542 4.79005 30.47 1487.75 1023.365 20.55 20.53 10.857 3.43644 4.79193 30.48 1487.75 1023.377 20.85 20.83 10.860 3.43692 4.79221 30.48 1487.77 1023.379 21.15 21.12 10.860 3.43748 4.79297 30.49 1487.78 1023.385 21.45 21.42 10.859 3.43803 4.79379 30.49 1487.79 1023.391 21.75 21.72 10.859 3.43948 4.79585 30.51 1487.82 1023.403 22.05 22.02 10.862 3.44158 4.79832 30.53 1487.85 1023.418 22.35 22.32 10.864 3.44331 4.80056 30.54 1487.88 1023.431 22.65 22.62 10.862 3.44369 4.80134 30.55 1487.89 1023.437 22.95 22.92 10.854 3.44469 4.80379 30.56 1487.88 1023.452 23.25 23.22 10.854 3.44451 4.80356 30.56 1487.89 1023.452 23.55 23.51 10.853 3.44472 4.80399 30.56 1487.89 1023.456 23.85 23.81 10.850 3.44480 4.80446 30.57 1487.89 1023.460 24.15 24.11 10.849 3.44631 4.80672 30.58 1487.91 1023.474 24.45 24.41 10.858 3.44756 4.80720 30.59 1487.95 1023.477 24.75 24.71 10.863 3.45177 4.81249 30.62 1488.02 1023.507 25.05 25.01 10.858 3.45019 4.81089 30.61 1487.99 1023.500 25.35 25.31 10.841 3.45103 4.81436 30.63 1487.96 1023.521 25.65 25.61 10.834 3.45140 4.81579 30.64 1487.96 1023.531 25.95 25.91 10.803 3.44877 4.81629 30.64 1487.85 1023.538 26.25 26.20 10.797 3.44841 4.81656 30.65 1487.84 1023.541 26.55 26.50 10.796 3.44923 4.81792 30.65 1487.85 1023.550 26.85 26.80 10.792 3.44900 4.81815 30.66 1487.84 1023.553 27.15 27.10 10.785 3.45005 4.82057 30.67 1487.84 1023.568 27.45 27.40 10.780 3.44918 4.82002 30.67 1487.82 1023.566 27.75 27.70 10.773 3.45084 4.82319 30.69 1487.83 1023.586 28.05 28.00 10.772 3.45206 4.82511 30.70 1487.84 1023.597 28.35 28.30 10.770 3.45302 4.82675 30.71 1487.85 1023.608 28.65 28.59 10.766 3.45473 4.82961 30.73 1487.87 1023.625 28.95 28.89 10.765 3.45478 4.82985 30.73 1487.87 1023.628 29.25 29.19 10.765 3.45600 4.83160 30.75 1487.89 1023.639 29.55 29.49 10.765 3.45559 4.83094 30.74 1487.89 1023.636 29.85 29.79 10.772 3.45771 4.83291 30.76 1487.94 1023.648 30.15 30.09 10.766 3.45819 4.83447 30.77 1487.93 1023.658 30.45 30.39 10.791 3.46362 4.83875 30.80 1488.07 1023.681 30.75 30.69 10.801 3.46602 4.84068 30.81 1488.13 1023.692 31.05 30.98 10.817 3.46798 4.84118 30.82 1488.20 1023.695 31.35 31.28 10.824 3.46970 4.84263 30.83 1488.24 1023.703 31.65 31.58 10.827 3.47073 4.84373 30.84 1488.26 1023.710 31.95 31.88 10.832 3.47201 4.84486 30.85 1488.30 1023.718 32.25 32.18 10.827 3.47222 4.84579 30.85 1488.29 1023.724 32.55 32.48 10.824 3.47231 4.84629 30.86 1488.29 1023.728 32.85 32.78 10.818 3.47168 4.84623 30.85 1488.27 1023.730 33.15 33.08 10.812 3.47097 4.84616 30.85 1488.25 1023.731 33.45 33.37 10.798 3.47017 4.84681 30.86 1488.21 1023.737 33.75 33.67 10.786 3.47049 4.84892 30.87 1488.19 1023.751 34.05 33.97 10.781 3.47164 4.85122 30.88 1488.20 1023.766 34.35 34.27 10.779 3.47251 4.85267 30.89 1488.21 1023.775 34.65 34.57 10.780 3.47322 4.85358 30.90 1488.22 1023.781 34.95 34.87 10.778 3.47364 4.85446 30.91 1488.23 1023.787 35.25 35.17 10.778 3.47481 4.85606 30.92 1488.24 1023.797 35.55 35.47 10.777 3.47648 4.85858 30.94 1488.27 1023.813 35.85 35.76 10.774 3.47596 4.85823 30.93 1488.26 1023.812 36.15 36.06 10.767 3.47622 4.85948 30.94 1488.25 1023.821 36.45 36.36 10.765 3.47686 4.86072 30.95 1488.26 1023.829 36.75 36.66 10.764 3.47764 4.86191 30.96 1488.27 1023.837 37.05 36.96 10.761 3.47769 4.86241 30.96 1488.26 1023.841 37.35 37.26 10.758 3.47858 4.86408 30.97 1488.27 1023.852 37.65 37.56 10.756 3.47842 4.86410 30.97 1488.27 1023.854 37.95 37.85 10.753 3.47838 4.86441 30.97 1488.27 1023.857 38.25 38.15 10.750 3.47792 4.86416 30.97 1488.26 1023.857 38.55 38.45 10.746 3.47848 4.86549 30.98 1488.26 1023.866 38.85 38.75 10.741 3.47879 4.86663 30.99 1488.26 1023.874 39.15 39.05 10.735 3.47857 4.86715 30.99 1488.24 1023.878 39.45 39.35 10.730 3.47903 4.86849 31.00 1488.24 1023.887 39.75 39.65 10.723 3.47921 4.86965 31.01 1488.23 1023.896 40.05 39.95 10.719 3.47954 4.87077 31.01 1488.23 1023.903 40.35 40.24 10.711 3.47892 4.87089 31.01 1488.21 1023.906 40.65 40.54 10.702 3.47862 4.87180 31.02 1488.18 1023.913 40.95 40.84 10.676 3.47866 4.87536 31.04 1488.12 1023.936 41.16 41.05 10.682 3.47941 4.87556 31.04 1488.15 1023.937