*2026/01/16 09:57:58.23 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/12/12 18:50:02.000 END TIME : UTC 2024/12/12 18:50:27.000 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 37.79 2 Depth metres 0.15 37.65 3 Temperature 'deg C (ITS90)' 6.58 11.55 4 Conductivity S/m 0.94662 3.56938 5 Conductance:Specific S/m 1.49875 4.91834 6 Salinity PSS-78 8.44 31.41 7 Speed:Sound m/s 1443.81 1491 8 Density kg/m^3 1006.586 1024.116 $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 : 349 LATITUDE : 50 4.19390 N ! (deg min) LONGITUDE : 127 16.69440 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241212_185002 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:11 126 126 MERGEHDR 1.3 2026/01/16 09:54:16 126 126 HDREDIT2 3.2 2026/01/16 09:55:17 ? ? REMOVECH 8.2 2026/01/16 09:56:27 126 126 CALIB 12.1 2026/01/16 09:57:01 126 126 CLEAN 5.3 2026/01/16 09:57:58 126 126 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:17 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 09:56:27 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:57:01 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 6.580 0.94662 1.49875 8.44 1443.81 1006.586 0.45 0.46 6.839 1.29734 2.03736 11.77 1449.06 1009.185 0.75 0.76 7.854 1.91726 2.91785 17.46 1460.26 1013.557 1.05 1.06 8.264 2.17989 3.27665 19.86 1464.83 1015.383 1.35 1.36 8.439 2.40787 3.60044 22.03 1468.18 1017.063 1.65 1.66 8.486 2.62704 3.92256 24.21 1471.04 1018.759 1.95 1.96 8.736 2.86432 4.24522 26.44 1474.74 1020.470 2.25 2.26 9.228 3.03152 4.42843 27.76 1478.21 1021.432 2.55 2.56 9.439 3.12128 4.53158 28.50 1479.91 1021.980 2.85 2.86 9.591 3.17142 4.58415 28.88 1480.94 1022.258 3.15 3.16 9.762 3.19374 4.59365 28.97 1481.68 1022.301 3.45 3.46 9.889 3.20371 4.59129 28.97 1482.15 1022.281 3.75 3.76 9.960 3.21163 4.59323 28.99 1482.44 1022.288 4.05 4.05 9.992 3.22236 4.60441 29.07 1482.66 1022.348 4.35 4.35 10.012 3.23268 4.61653 29.16 1482.85 1022.414 4.65 4.65 10.028 3.24214 4.62792 29.24 1483.01 1022.476 4.95 4.95 10.047 3.24545 4.63016 29.26 1483.10 1022.488 5.25 5.25 10.069 3.25615 4.64250 29.35 1483.30 1022.555 5.55 5.55 10.097 3.26594 4.65279 29.42 1483.49 1022.611 5.85 5.85 10.145 3.27442 4.65841 29.47 1483.73 1022.639 6.15 6.15 10.198 3.29995 4.68763 29.68 1484.18 1022.796 6.45 6.45 10.231 3.31871 4.70998 29.84 1484.50 1022.917 6.75 6.75 10.271 3.32747 4.71700 29.89 1484.72 1022.954 7.05 7.04 10.314 3.33251 4.71839 29.91 1484.89 1022.960 7.35 7.34 10.372 3.33817 4.71861 29.91 1485.12 1022.958 7.65 7.64 10.421 3.34778 4.72573 29.97 1485.37 1022.994 7.95 7.94 10.459 3.35480 4.73054 30.01 1485.55 1023.019 8.25 8.24 10.501 3.36274 4.73614 30.05 1485.76 1023.048 8.55 8.54 10.526 3.36746 4.73937 30.08 1485.89 1023.065 8.85 8.84 10.541 3.37147 4.74309 30.11 1485.98 1023.085 9.15 9.14 10.550 3.37202 4.74260 30.10 1486.02 1023.083 9.45 9.44 10.558 3.37242 4.74209 30.10 1486.05 1023.081 9.75 9.73 10.571 3.37406 4.74273 30.11 1486.10 1023.085 10.05 10.03 10.604 3.37763 4.74338 30.11 1486.24 1023.087 10.35 10.33 10.643 3.38260 4.74508 30.13 1486.40 1023.094 10.65 10.63 10.675 3.39293 4.75536 30.21 1486.61 1023.149 10.95 10.93 10.694 3.39469 4.75532 30.21 1486.69 1023.149 11.25 11.23 10.711 3.39820 4.75797 30.23 1486.78 1023.163 11.55 11.53 10.727 3.39879 4.75660 30.22 1486.83 1023.156 11.85 11.83 10.745 3.40099 4.75733 30.23 1486.91 1023.160 12.15 12.13 10.766 3.40248 4.75664 30.22 1486.98 1023.155 12.45 12.42 10.800 3.41280 4.76654 30.30 1487.20 1023.208 12.75 12.72 10.842 3.42037 4.77145 30.34 1487.40 1023.233 13.05 13.02 10.904 3.42827 4.77419 30.36 1487.66 1023.244 13.35 13.32 10.977 3.44818 4.79219 30.50 1488.09 1023.337 13.65 13.62 11.054 3.45344 4.78920 30.49 1488.35 1023.316 13.95 13.92 11.106 3.45865 4.78964 30.49 1488.55 1023.315 14.25 14.22 11.140 3.46966 4.80034 30.57 1488.77 1023.372 14.55 14.52 11.168 3.47459 4.80335 30.60 1488.90 1023.387 14.85 14.82 11.184 3.47671 4.80414 30.60 1488.97 1023.391 15.15 15.11 11.187 3.47450 4.80076 30.58 1488.96 1023.373 15.45 15.41 11.190 3.47607 4.80256 30.59 1488.99 1023.384 15.75 15.71 11.196 3.48380 4.81238 30.66 1489.10 1023.439 16.05 16.01 11.211 3.48526 4.81238 30.67 1489.16 1023.439 16.35 16.31 11.210 3.48783 4.81612 30.69 1489.19 1023.461 16.65 16.61 11.213 3.48665 4.81407 30.68 1489.19 1023.451 16.95 16.91 11.232 3.48666 4.81161 30.66 1489.24 1023.437 17.25 17.21 11.251 3.48993 4.81352 30.68 1489.34 1023.447 17.55 17.50 11.261 3.49757 4.82276 30.74 1489.45 1023.498 17.85 17.80 11.303 3.50932 4.83341 30.82 1489.70 1023.554 18.15 18.10 11.337 3.51308 4.83409 30.83 1489.83 1023.556 18.45 18.40 11.371 3.51909 4.83778 30.86 1490.00 1023.574 18.75 18.70 11.399 3.51992 4.83514 30.85 1490.08 1023.558 19.05 19.00 11.403 3.52358 4.83967 30.88 1490.14 1023.584 19.35 19.30 11.418 3.52612 4.84123 30.89 1490.21 1023.592 19.65 19.60 11.420 3.52950 4.84552 30.92 1490.26 1023.617 19.95 19.89 11.438 3.53348 4.84858 30.94 1490.36 1023.633 20.25 20.19 11.450 3.53929 4.85495 30.99 1490.46 1023.668 20.55 20.49 11.470 3.54429 4.85921 31.02 1490.57 1023.691 20.85 20.79 11.505 3.54955 4.86168 31.04 1490.73 1023.703 21.15 21.09 11.521 3.55153 4.86235 31.05 1490.79 1023.706 21.45 21.39 11.530 3.55233 4.86220 31.05 1490.83 1023.706 21.75 21.69 11.535 3.55264 4.86197 31.05 1490.85 1023.705 22.05 21.99 11.537 3.55232 4.86121 31.04 1490.86 1023.702 22.35 22.28 11.543 3.55446 4.86335 31.06 1490.90 1023.715 22.65 22.58 11.545 3.55690 4.86646 31.08 1490.94 1023.733 22.95 22.88 11.545 3.55740 4.86718 31.09 1490.95 1023.738 23.25 23.18 11.550 3.55957 4.86944 31.10 1490.99 1023.751 23.55 23.48 11.546 3.56071 4.87150 31.12 1491.00 1023.764 23.85 23.78 11.543 3.55970 4.87060 31.11 1490.98 1023.761 24.15 24.08 11.541 3.55967 4.87077 31.11 1490.99 1023.763 24.45 24.38 11.533 3.55997 4.87229 31.12 1490.97 1023.774 24.75 24.67 11.524 3.56087 4.87467 31.14 1490.97 1023.789 25.05 24.97 11.506 3.56247 4.87926 31.17 1490.95 1023.817 25.35 25.27 11.489 3.56115 4.87975 31.17 1490.89 1023.823 25.65 25.57 11.478 3.55985 4.87948 31.17 1490.85 1023.824 25.95 25.87 11.456 3.55904 4.88127 31.18 1490.80 1023.837 26.25 26.17 11.439 3.55935 4.88402 31.19 1490.76 1023.855 26.55 26.47 11.412 3.55742 4.88490 31.20 1490.68 1023.864 26.85 26.76 11.381 3.55469 4.88542 31.20 1490.57 1023.871 27.15 27.06 11.367 3.55347 4.88552 31.20 1490.53 1023.874 27.45 27.36 11.346 3.55297 4.88776 31.21 1490.47 1023.889 27.75 27.66 11.325 3.55282 4.89029 31.22 1490.43 1023.906 28.05 27.96 11.310 3.55278 4.89232 31.24 1490.39 1023.920 28.35 28.26 11.302 3.55231 4.89267 31.24 1490.37 1023.924 28.65 28.56 11.298 3.55351 4.89495 31.25 1490.38 1023.938 28.95 28.85 11.299 3.55419 4.89568 31.26 1490.40 1023.943 29.25 29.15 11.306 3.55569 4.89681 31.27 1490.44 1023.950 29.55 29.45 11.317 3.55847 4.89912 31.29 1490.50 1023.963 29.85 29.75 11.332 3.56062 4.90016 31.29 1490.57 1023.969 30.15 30.05 11.341 3.56189 4.90065 31.30 1490.61 1023.972 30.45 30.35 11.353 3.56343 4.90114 31.30 1490.66 1023.975 30.75 30.65 11.365 3.56634 4.90350 31.32 1490.73 1023.988 31.05 30.95 11.374 3.56938 4.90646 31.34 1490.79 1024.005 31.35 31.24 11.362 3.56847 4.90681 31.34 1490.76 1024.009 31.65 31.54 11.338 3.56479 4.90502 31.33 1490.66 1024.003 31.95 31.84 11.300 3.55903 4.90218 31.30 1490.50 1023.992 32.25 32.14 11.275 3.55674 4.90252 31.30 1490.42 1023.997 32.55 32.44 11.254 3.55533 4.90342 31.31 1490.35 1024.005 32.85 32.74 11.232 3.55507 4.90604 31.32 1490.30 1024.023 33.15 33.04 11.212 3.55159 4.90392 31.31 1490.21 1024.015 33.45 33.33 11.202 3.55146 4.90506 31.31 1490.19 1024.023 33.75 33.63 11.197 3.55357 4.90859 31.34 1490.21 1024.044 34.05 33.93 11.193 3.55745 4.91451 31.38 1490.25 1024.078 34.35 34.23 11.197 3.55967 4.91701 31.40 1490.29 1024.093 34.65 34.53 11.214 3.56178 4.91769 31.40 1490.36 1024.097 34.95 34.83 11.233 3.56199 4.91541 31.39 1490.42 1024.083 35.25 35.13 11.242 3.56209 4.91437 31.38 1490.44 1024.078 35.55 35.42 11.238 3.56152 4.91412 31.38 1490.43 1024.078 35.85 35.72 11.232 3.55962 4.91230 31.37 1490.40 1024.070 36.15 36.02 11.215 3.55753 4.91165 31.36 1490.34 1024.069 36.45 36.32 11.198 3.55956 4.91679 31.40 1490.33 1024.101 36.75 36.62 11.197 3.56051 4.91826 31.41 1490.34 1024.110 37.05 36.92 11.201 3.56000 4.91696 31.40 1490.35 1024.104 37.35 37.22 11.189 3.55935 4.91771 31.40 1490.32 1024.110 37.79 37.65 11.186 3.55949 4.91834 31.40 1490.32 1024.116