*2026/01/16 10:37:50.08 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/04/08 18:52:36.000 END TIME : UTC 2025/04/08 18:52:58.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 115 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 34.46 2 Depth metres 0.15 34.39 3 Temperature 'deg C (ITS90)' 8.918 9.995 4 Conductivity S/m 2.40432 3.13453 5 Conductance:Specific S/m 3.43527 4.61034 6 Salinity PSS-78 21.06 28.98 7 Speed:Sound m/s 1472.73 1480.05 8 Density kg/m^3 1016.094 1022.567 $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 : 2025-087 AGENCY : Pacific Biological Station COUNTRY : Canada PROJECT : PSSI SCIENTIST : Deeg C. PLATFORM : Other Vessel *LOCATION GEOGRAPHIC AREA : West Coast Vancouver Island EVENT NUMBER : 86 LATITUDE : 49 51.42890 N ! (deg min) LONGITUDE : 126 58.36200 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20250408_185236 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 10:33:26 115 115 MERGEHDR 1.3 2026/01/16 10:35:41 115 115 HDREDIT2 3.2 2026/01/16 10:36:11 ? ? REMOVECH 8.2 2026/01/16 10:36:39 115 115 CALIB 12.1 2026/01/16 10:37:13 115 115 CLEAN 5.3 2026/01/16 10:37:50 115 115 $END $REMARKS -HEADER EDITS: 2026/01/16 10:36:11 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 10:36:39 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 10:37:13 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 10:37:42 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 9.995 2.40432 3.43527 21.06 1472.91 1016.094 0.45 0.45 9.923 2.40761 3.44706 21.13 1472.73 1016.163 0.75 0.75 9.842 2.49089 3.57450 21.98 1473.47 1016.838 1.05 1.05 9.837 2.53877 3.64377 22.45 1474.02 1017.204 1.35 1.35 9.830 2.54499 3.65348 22.52 1474.07 1017.256 1.65 1.65 9.844 2.63268 3.77778 23.36 1475.16 1017.912 1.95 1.95 9.866 2.66773 3.82568 23.69 1475.64 1018.166 2.25 2.25 9.879 2.69680 3.86595 23.96 1476.03 1018.379 2.55 2.55 9.914 2.71047 3.88169 24.07 1476.29 1018.462 2.85 2.86 9.928 2.76681 3.96070 24.62 1477.01 1018.882 3.15 3.16 9.937 2.80100 4.00863 24.94 1477.44 1019.138 3.45 3.46 9.955 2.82854 4.04594 25.20 1477.83 1019.337 3.75 3.76 9.946 2.83455 4.05561 25.27 1477.88 1019.390 4.05 4.06 9.925 2.84406 4.07168 25.38 1477.93 1019.479 4.35 4.36 9.887 2.85287 4.08870 25.49 1477.94 1019.574 4.65 4.66 9.861 2.87619 4.12526 25.74 1478.15 1019.773 4.95 4.95 9.855 2.89523 4.15321 25.93 1478.36 1019.924 5.25 5.25 9.840 2.90648 4.17116 26.05 1478.46 1020.023 5.55 5.55 9.816 2.91989 4.19336 26.20 1478.56 1020.145 5.85 5.85 9.799 2.93958 4.22360 26.41 1478.75 1020.310 6.15 6.15 9.792 2.96026 4.25419 26.62 1478.98 1020.476 6.45 6.45 9.788 2.96901 4.26730 26.71 1479.08 1020.548 6.75 6.75 9.780 2.98570 4.29230 26.88 1479.27 1020.684 7.05 7.05 9.774 3.00350 4.31866 27.06 1479.47 1020.828 7.35 7.35 9.770 3.01739 4.33906 27.20 1479.63 1020.939 7.65 7.65 9.763 3.03359 4.36323 27.37 1479.81 1021.071 7.95 7.95 9.758 3.03765 4.36975 27.41 1479.85 1021.108 8.25 8.25 9.752 3.04173 4.37639 27.46 1479.89 1021.146 8.55 8.55 9.743 3.04719 4.38528 27.52 1479.94 1021.195 8.85 8.85 9.737 3.05214 4.39318 27.57 1479.98 1021.240 9.15 9.15 9.731 3.05652 4.40024 27.62 1480.03 1021.280 9.45 9.45 9.719 3.05928 4.40579 27.66 1480.03 1021.312 9.75 9.75 9.707 3.06177 4.41095 27.69 1480.03 1021.342 10.05 10.05 9.698 3.06469 4.41623 27.73 1480.05 1021.372 10.35 10.35 9.686 3.06644 4.42031 27.75 1480.04 1021.396 10.65 10.65 9.670 3.06843 4.42519 27.79 1480.03 1021.425 10.95 10.95 9.653 3.06949 4.42888 27.81 1480.00 1021.447 11.25 11.24 9.629 3.06974 4.43231 27.83 1479.94 1021.469 11.55 11.54 9.606 3.07015 4.43590 27.85 1479.88 1021.491 11.85 11.84 9.588 3.06903 4.43656 27.85 1479.83 1021.497 12.15 12.14 9.570 3.06826 4.43779 27.86 1479.77 1021.506 12.45 12.44 9.550 3.06735 4.43904 27.87 1479.71 1021.515 12.75 12.74 9.531 3.06688 4.44076 27.88 1479.66 1021.527 13.05 13.04 9.518 3.06678 4.44231 27.89 1479.62 1021.537 13.35 13.34 9.505 3.06722 4.44456 27.90 1479.60 1021.551 13.65 13.64 9.498 3.06727 4.44558 27.91 1479.58 1021.559 13.95 13.94 9.493 3.06729 4.44631 27.91 1479.57 1021.564 14.25 14.24 9.487 3.06709 4.44675 27.91 1479.56 1021.568 14.55 14.54 9.474 3.06694 4.44819 27.92 1479.53 1021.578 14.85 14.84 9.448 3.06842 4.45373 27.96 1479.48 1021.611 15.15 15.14 9.430 3.07070 4.45929 27.99 1479.46 1021.643 15.45 15.44 9.419 3.07035 4.46023 28.00 1479.43 1021.650 15.75 15.73 9.392 3.06966 4.46281 28.01 1479.35 1021.667 16.05 16.03 9.366 3.06991 4.46653 28.03 1479.29 1021.690 16.35 16.33 9.346 3.06923 4.46806 28.04 1479.23 1021.701 16.65 16.63 9.325 3.06773 4.46866 28.04 1479.16 1021.706 16.95 16.93 9.308 3.06663 4.46922 28.05 1479.10 1021.712 17.25 17.23 9.290 3.06631 4.47119 28.06 1479.05 1021.725 17.55 17.53 9.263 3.06587 4.47404 28.07 1478.98 1021.743 17.85 17.83 9.233 3.06487 4.47648 28.09 1478.89 1021.759 18.15 18.13 9.204 3.06264 4.47699 28.09 1478.78 1021.764 18.45 18.43 9.180 3.06301 4.48069 28.11 1478.73 1021.787 18.75 18.73 9.140 3.06201 4.48444 28.13 1478.61 1021.811 19.05 19.03 9.122 3.06248 4.48751 28.15 1478.57 1021.829 19.35 19.33 9.114 3.06277 4.48906 28.16 1478.55 1021.840 19.65 19.63 9.098 3.06342 4.49213 28.18 1478.52 1021.858 19.95 19.92 9.062 3.06311 4.49635 28.20 1478.42 1021.884 20.25 20.22 9.039 3.06413 4.50089 28.23 1478.38 1021.911 20.55 20.52 9.007 3.06453 4.50578 28.26 1478.30 1021.940 20.85 20.82 8.984 3.06502 4.50953 28.28 1478.24 1021.963 21.15 21.12 8.970 3.06775 4.51542 28.32 1478.24 1021.997 21.45 21.42 8.960 3.06988 4.51986 28.35 1478.25 1022.023 21.75 21.72 8.954 3.06915 4.51958 28.35 1478.23 1022.023 22.05 22.02 8.948 3.07050 4.52231 28.37 1478.23 1022.039 22.35 22.32 8.942 3.07144 4.52456 28.38 1478.23 1022.053 22.65 22.62 8.933 3.07120 4.52535 28.39 1478.21 1022.059 22.95 22.92 8.925 3.07174 4.52722 28.40 1478.20 1022.071 23.25 23.22 8.920 3.07295 4.52964 28.41 1478.20 1022.085 23.55 23.52 8.920 3.07495 4.53268 28.44 1478.23 1022.103 23.85 23.81 8.918 3.07609 4.53456 28.45 1478.25 1022.115 24.15 24.11 8.919 3.07572 4.53390 28.44 1478.25 1022.112 24.45 24.41 8.922 3.07723 4.53579 28.46 1478.28 1022.124 24.75 24.71 8.926 3.08053 4.54006 28.49 1478.34 1022.148 25.05 25.01 8.928 3.08203 4.54201 28.50 1478.37 1022.160 25.35 25.31 8.930 3.08427 4.54499 28.52 1478.41 1022.177 25.65 25.61 8.933 3.08602 4.54727 28.54 1478.44 1022.190 25.95 25.91 8.939 3.09102 4.55377 28.58 1478.53 1022.227 26.25 26.21 8.949 3.09744 4.56196 28.64 1478.64 1022.272 26.55 26.51 8.952 3.10524 4.57296 28.72 1478.75 1022.333 26.85 26.81 8.958 3.10798 4.57618 28.74 1478.81 1022.351 27.15 27.11 8.963 3.10928 4.57745 28.75 1478.84 1022.359 27.45 27.40 8.969 3.10928 4.57668 28.75 1478.86 1022.356 27.75 27.70 8.974 3.11074 4.57816 28.76 1478.90 1022.365 28.05 28.00 8.976 3.11223 4.58003 28.77 1478.93 1022.376 28.35 28.30 8.977 3.11281 4.58073 28.77 1478.94 1022.381 28.65 28.60 8.979 3.11576 4.58478 28.80 1478.99 1022.405 28.95 28.90 8.980 3.11678 4.58616 28.81 1479.01 1022.413 29.25 29.20 8.982 3.11830 4.58815 28.83 1479.04 1022.425 29.55 29.50 8.983 3.11917 4.58931 28.83 1479.06 1022.433 29.85 29.80 8.984 3.12016 4.59064 28.84 1479.08 1022.441 30.15 30.10 8.985 3.12126 4.59216 28.85 1479.10 1022.451 30.45 30.40 8.986 3.12098 4.59161 28.85 1479.10 1022.449 30.75 30.69 8.987 3.12421 4.59620 28.88 1479.15 1022.475 31.05 30.99 8.987 3.12593 4.59874 28.90 1479.18 1022.490 31.35 31.29 8.987 3.12689 4.60007 28.91 1479.19 1022.499 31.65 31.59 8.988 3.12692 4.59997 28.91 1479.20 1022.499 31.95 31.89 8.989 3.12769 4.60100 28.92 1479.22 1022.506 32.25 32.19 8.992 3.12981 4.60376 28.93 1479.26 1022.522 32.55 32.49 8.992 3.13033 4.60449 28.94 1479.27 1022.528 32.85 32.79 8.994 3.13251 4.60747 28.96 1479.31 1022.545 33.15 33.09 8.995 3.13415 4.60973 28.98 1479.33 1022.558 33.45 33.39 8.995 3.13345 4.60871 28.97 1479.33 1022.554 33.75 33.69 8.994 3.13408 4.60972 28.98 1479.34 1022.561 34.05 33.98 8.995 3.13453 4.61034 28.98 1479.35 1022.566 34.46 34.39 8.994 3.13435 4.61019 28.98 1479.35 1022.567