*2026/01/16 09:57:55.13 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/10/14 23:51:07.000 END TIME : UTC 2024/10/14 23:51:33.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 135 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 40.23 2 Depth metres 0.15 40.12 3 Temperature 'deg C (ITS90)' 13.676 14.731 4 Conductivity S/m 3.43973 3.65969 5 Conductance:Specific S/m 4.3288 4.71431 6 Salinity PSS-78 27.55 30.19 7 Speed:Sound m/s 1497.02 1497.87 8 Density kg/m^3 1020.292 1022.717 $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 : 257 LATITUDE : 49 11.95250 N ! (deg min) LONGITUDE : 125 46.01800 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241014_235107 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:07 135 135 MERGEHDR 1.3 2026/01/16 09:54:07 135 135 HDREDIT2 3.2 2026/01/16 09:55:12 ? ? REMOVECH 8.2 2026/01/16 09:56:23 135 135 CALIB 12.1 2026/01/16 09:56:56 135 135 CLEAN 5.3 2026/01/16 09:57:55 135 135 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:12 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 09:56:23 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:56 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 14.731 3.43973 4.32880 27.55 1497.14 1020.292 0.45 0.45 14.648 3.44795 4.34820 27.68 1497.03 1020.411 0.75 0.75 14.577 3.46294 4.37496 27.86 1497.02 1020.569 1.05 1.05 14.567 3.47043 4.38551 27.94 1497.08 1020.629 1.35 1.35 14.545 3.47286 4.39102 27.97 1497.05 1020.663 1.65 1.65 14.514 3.48882 4.41468 28.14 1497.15 1020.798 1.95 1.95 14.493 3.49998 4.43113 28.25 1497.22 1020.892 2.25 2.25 14.447 3.50414 4.44161 28.33 1497.16 1020.957 2.55 2.55 14.396 3.53021 4.48037 28.60 1497.31 1021.177 2.85 2.85 14.360 3.55026 4.51003 28.80 1497.44 1021.346 3.15 3.15 14.324 3.56142 4.52827 28.93 1497.48 1021.452 3.45 3.44 14.304 3.56798 4.53892 29.00 1497.50 1021.514 3.75 3.74 14.295 3.57314 4.54658 29.06 1497.54 1021.559 4.05 4.04 14.297 3.57715 4.55138 29.09 1497.59 1021.586 4.35 4.34 14.288 3.58584 4.56352 29.18 1497.67 1021.655 4.65 4.64 14.271 3.59279 4.57430 29.25 1497.70 1021.718 4.95 4.94 14.253 3.60671 4.59416 29.39 1497.81 1021.830 5.25 5.24 14.223 3.60785 4.59915 29.43 1497.76 1021.863 5.55 5.54 14.195 3.60912 4.60411 29.46 1497.71 1021.896 5.85 5.84 14.163 3.60924 4.60802 29.48 1497.64 1021.923 6.15 6.14 14.133 3.61234 4.61542 29.53 1497.60 1021.969 6.45 6.44 14.103 3.61707 4.62508 29.60 1497.59 1022.028 6.75 6.74 14.093 3.62181 4.63226 29.65 1497.62 1022.070 7.05 7.04 14.080 3.62479 4.63768 29.69 1497.62 1022.103 7.35 7.34 14.066 3.62692 4.64206 29.72 1497.62 1022.130 7.65 7.63 14.054 3.62743 4.64412 29.73 1497.60 1022.144 7.95 7.93 14.047 3.62869 4.64653 29.75 1497.60 1022.160 8.25 8.23 14.041 3.62991 4.64881 29.76 1497.60 1022.174 8.55 8.53 14.037 3.63090 4.65056 29.78 1497.61 1022.186 8.85 8.83 14.032 3.63311 4.65402 29.80 1497.63 1022.207 9.15 9.13 14.029 3.63664 4.65892 29.83 1497.66 1022.235 9.45 9.43 14.028 3.63798 4.66074 29.85 1497.68 1022.247 9.75 9.73 14.027 3.63910 4.66232 29.86 1497.69 1022.257 10.05 10.03 14.027 3.64103 4.66478 29.88 1497.72 1022.271 10.35 10.33 14.026 3.64361 4.66824 29.90 1497.75 1022.292 10.65 10.63 14.024 3.64701 4.67278 29.93 1497.78 1022.318 10.95 10.93 14.024 3.64911 4.67551 29.95 1497.81 1022.335 11.25 11.22 14.022 3.64926 4.67586 29.95 1497.81 1022.338 11.55 11.52 14.023 3.65039 4.67721 29.96 1497.83 1022.346 11.85 11.82 14.022 3.65108 4.67824 29.97 1497.84 1022.354 12.15 12.12 14.021 3.65033 4.67734 29.96 1497.84 1022.350 12.45 12.42 14.023 3.65059 4.67754 29.97 1497.85 1022.352 12.75 12.72 14.018 3.65168 4.67952 29.98 1497.85 1022.365 13.05 13.02 14.012 3.65404 4.68318 30.00 1497.87 1022.387 13.35 13.32 14.007 3.65503 4.68511 30.02 1497.87 1022.400 13.65 13.62 14.000 3.65547 4.68650 30.03 1497.87 1022.410 13.95 13.92 13.994 3.65699 4.68921 30.05 1497.87 1022.427 14.25 14.22 13.984 3.65726 4.69073 30.06 1497.86 1022.438 14.55 14.51 13.977 3.65823 4.69283 30.07 1497.86 1022.451 14.85 14.81 13.970 3.65863 4.69421 30.08 1497.85 1022.461 15.15 15.11 13.967 3.65865 4.69453 30.08 1497.85 1022.465 15.45 15.41 13.964 3.65829 4.69442 30.08 1497.84 1022.466 15.75 15.71 13.964 3.65926 4.69570 30.09 1497.85 1022.474 16.05 16.01 13.957 3.65969 4.69707 30.10 1497.85 1022.484 16.35 16.31 13.941 3.65948 4.69872 30.11 1497.81 1022.496 16.65 16.61 13.936 3.65939 4.69919 30.11 1497.81 1022.501 16.95 16.91 13.931 3.65886 4.69914 30.11 1497.79 1022.503 17.25 17.21 13.925 3.65730 4.69790 30.10 1497.77 1022.498 17.55 17.51 13.913 3.65717 4.69915 30.11 1497.74 1022.508 17.85 17.80 13.902 3.65717 4.70046 30.12 1497.72 1022.518 18.15 18.10 13.899 3.65657 4.70010 30.11 1497.71 1022.517 18.45 18.40 13.899 3.65717 4.70088 30.12 1497.72 1022.523 18.75 18.70 13.896 3.65653 4.70041 30.12 1497.71 1022.522 19.05 19.00 13.890 3.65669 4.70134 30.12 1497.70 1022.529 19.35 19.30 13.883 3.65604 4.70138 30.12 1497.68 1022.532 19.65 19.60 13.875 3.65519 4.70118 30.12 1497.66 1022.533 19.95 19.90 13.867 3.65546 4.70256 30.13 1497.65 1022.543 20.25 20.20 13.855 3.65429 4.70250 30.13 1497.61 1022.546 20.55 20.50 13.847 3.65416 4.70330 30.13 1497.60 1022.552 20.85 20.80 13.842 3.65334 4.70287 30.13 1497.58 1022.552 21.15 21.09 13.839 3.65345 4.70327 30.13 1497.58 1022.556 21.45 21.39 13.838 3.65320 4.70312 30.13 1497.58 1022.556 21.75 21.69 13.837 3.65279 4.70277 30.13 1497.58 1022.556 22.05 21.99 13.830 3.65226 4.70285 30.13 1497.56 1022.559 22.35 22.29 13.824 3.65185 4.70303 30.13 1497.55 1022.562 22.65 22.59 13.818 3.65198 4.70395 30.13 1497.54 1022.569 22.95 22.89 13.816 3.65182 4.70396 30.13 1497.54 1022.570 23.25 23.19 13.815 3.65186 4.70422 30.14 1497.54 1022.573 23.55 23.49 13.815 3.65189 4.70420 30.14 1497.55 1022.574 23.85 23.79 13.815 3.65178 4.70413 30.13 1497.55 1022.575 24.15 24.09 13.810 3.65154 4.70438 30.14 1497.54 1022.579 24.45 24.38 13.808 3.65100 4.70388 30.13 1497.54 1022.577 24.75 24.68 13.799 3.65131 4.70539 30.14 1497.52 1022.588 25.05 24.98 13.793 3.64974 4.70411 30.13 1497.50 1022.583 25.35 25.28 13.788 3.65093 4.70627 30.15 1497.50 1022.597 25.65 25.58 13.781 3.64851 4.70398 30.13 1497.46 1022.587 25.95 25.88 13.768 3.64807 4.70500 30.14 1497.43 1022.596 26.25 26.18 13.762 3.64659 4.70381 30.13 1497.41 1022.591 26.55 26.48 13.749 3.64623 4.70493 30.13 1497.38 1022.600 26.85 26.78 13.742 3.64650 4.70612 30.14 1497.37 1022.609 27.15 27.08 13.733 3.64558 4.70602 30.14 1497.34 1022.611 27.45 27.38 13.726 3.64569 4.70697 30.15 1497.33 1022.618 27.75 27.67 13.723 3.64546 4.70715 30.15 1497.32 1022.621 28.05 27.97 13.718 3.64459 4.70662 30.14 1497.31 1022.620 28.35 28.27 13.716 3.64439 4.70658 30.14 1497.31 1022.621 28.65 28.57 13.712 3.64477 4.70753 30.15 1497.31 1022.628 28.95 28.87 13.711 3.64488 4.70786 30.15 1497.31 1022.632 29.25 29.17 13.709 3.64374 4.70654 30.14 1497.30 1022.626 29.55 29.47 13.711 3.64403 4.70674 30.14 1497.31 1022.628 29.85 29.77 13.715 3.64428 4.70659 30.14 1497.33 1022.628 30.15 30.07 13.714 3.64457 4.70708 30.15 1497.33 1022.632 30.45 30.37 13.713 3.64459 4.70724 30.15 1497.33 1022.634 30.75 30.66 13.714 3.64476 4.70727 30.15 1497.34 1022.636 31.05 30.96 13.715 3.64425 4.70653 30.14 1497.35 1022.633 31.35 31.26 13.717 3.64481 4.70705 30.14 1497.36 1022.637 31.65 31.56 13.717 3.64519 4.70748 30.15 1497.37 1022.640 31.95 31.86 13.716 3.64535 4.70779 30.15 1497.38 1022.643 32.25 32.16 13.718 3.64531 4.70751 30.15 1497.38 1022.643 32.55 32.46 13.720 3.64541 4.70740 30.15 1497.39 1022.643 32.85 32.76 13.722 3.64517 4.70679 30.14 1497.40 1022.641 33.15 33.06 13.720 3.64570 4.70777 30.15 1497.41 1022.648 33.45 33.36 13.720 3.64591 4.70804 30.15 1497.41 1022.650 33.75 33.66 13.717 3.64589 4.70834 30.15 1497.41 1022.654 34.05 33.95 13.717 3.64526 4.70759 30.15 1497.41 1022.651 34.35 34.25 13.710 3.64606 4.70940 30.16 1497.41 1022.663 34.65 34.55 13.709 3.64516 4.70846 30.15 1497.40 1022.659 34.95 34.85 13.705 3.64525 4.70900 30.16 1497.40 1022.664 35.25 35.15 13.703 3.64523 4.70929 30.16 1497.39 1022.667 35.55 35.45 13.701 3.64627 4.71086 30.17 1497.41 1022.677 35.85 35.75 13.695 3.64572 4.71082 30.17 1497.39 1022.679 36.15 36.05 13.692 3.64544 4.71081 30.17 1497.39 1022.681 36.45 36.35 13.686 3.64508 4.71114 30.17 1497.37 1022.685 36.75 36.65 13.683 3.64538 4.71181 30.17 1497.37 1022.690 37.05 36.94 13.680 3.64496 4.71175 30.17 1497.37 1022.691 37.35 37.24 13.676 3.64403 4.71096 30.17 1497.35 1022.689 37.65 37.54 13.676 3.64563 4.71303 30.18 1497.37 1022.701 37.95 37.84 13.678 3.64555 4.71274 30.18 1497.38 1022.701 38.25 38.14 13.678 3.64487 4.71182 30.17 1497.38 1022.697 38.55 38.44 13.679 3.64603 4.71323 30.18 1497.40 1022.706 38.85 38.74 13.681 3.64627 4.71321 30.18 1497.41 1022.707 39.15 39.04 13.682 3.64619 4.71308 30.18 1497.42 1022.707 39.45 39.34 13.683 3.64667 4.71355 30.19 1497.43 1022.711 39.75 39.64 13.685 3.64726 4.71401 30.19 1497.45 1022.714 40.05 39.93 13.688 3.64776 4.71431 30.19 1497.46 1022.717 40.23 40.12 13.692 3.64681 4.71259 30.18 1497.47 1022.708