*2026/01/16 09:57:47.66 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/02/14 21:08:16.000 END TIME : UTC 2024/02/14 21:08:27.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 58 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 17.4 2 Depth metres 0.15 17.37 3 Temperature 'deg C (ITS90)' 7.652 9.875 4 Conductivity S/m 2.01551 3.25704 5 Conductance:Specific S/m 3.08632 4.68504 6 Salinity PSS-78 18.55 29.6 7 Speed:Sound m/s 1460.78 1482.71 8 Density kg/m^3 1014.424 1022.859 $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 : 40 LATITUDE : 48 59.00510 N ! (deg min) LONGITUDE : 124 57.88500 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240214_210816 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:55 58 58 MERGEHDR 1.3 2026/01/16 09:53:46 58 58 HDREDIT2 3.2 2026/01/16 09:55:01 ? ? REMOVECH 8.2 2026/01/16 09:56:13 58 58 CALIB 12.1 2026/01/16 09:56:46 58 58 CLEAN 5.3 2026/01/16 09:57:47 58 58 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:01 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 09:56:13 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:46 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 7.652 2.01551 3.08632 18.55 1460.78 1014.424 0.45 0.45 7.667 2.02691 3.10240 18.65 1460.98 1014.508 0.75 0.75 7.715 2.04209 3.12104 18.78 1461.33 1014.603 1.05 1.06 7.735 2.06198 3.14954 18.97 1461.65 1014.750 1.35 1.36 7.746 2.06827 3.15807 19.03 1461.77 1014.795 1.65 1.66 7.755 2.07657 3.16981 19.11 1461.91 1014.856 1.95 1.96 7.797 2.08535 3.17915 19.17 1462.16 1014.904 2.25 2.26 7.891 2.10631 3.20193 19.33 1462.73 1015.019 2.55 2.56 8.037 2.10151 3.18054 19.20 1463.15 1014.904 2.85 2.86 8.204 2.22727 3.35387 20.36 1465.25 1015.794 3.15 3.16 8.215 2.33255 3.51126 21.41 1466.58 1016.614 3.45 3.46 8.361 2.45375 3.67757 22.54 1468.54 1017.480 3.75 3.76 8.783 2.72022 4.02606 24.94 1473.12 1019.304 4.05 4.06 9.270 3.05381 4.45548 27.95 1478.63 1021.584 4.35 4.36 9.654 3.19896 4.61563 29.11 1481.47 1022.432 4.65 4.66 9.817 3.20630 4.60454 29.05 1482.01 1022.363 4.95 4.96 9.831 3.20807 4.60516 29.06 1482.07 1022.366 5.25 5.26 9.840 3.21063 4.60764 29.08 1482.13 1022.381 5.55 5.56 9.860 3.21792 4.61551 29.13 1482.28 1022.423 5.85 5.86 9.860 3.22066 4.61940 29.16 1482.32 1022.446 6.15 6.16 9.869 3.22144 4.61941 29.16 1482.35 1022.447 6.45 6.46 9.871 3.22334 4.62181 29.18 1482.39 1022.461 6.75 6.76 9.870 3.22434 4.62339 29.19 1482.40 1022.471 7.05 7.06 9.875 3.22536 4.62419 29.20 1482.43 1022.476 7.35 7.35 9.871 3.22581 4.62533 29.20 1482.43 1022.484 7.65 7.65 9.864 3.22721 4.62824 29.22 1482.44 1022.501 7.95 7.95 9.860 3.22810 4.63010 29.23 1482.44 1022.513 8.25 8.25 9.863 3.22994 4.63229 29.25 1482.48 1022.526 8.55 8.55 9.861 3.23015 4.63286 29.25 1482.48 1022.531 8.85 8.85 9.856 3.23046 4.63403 29.26 1482.47 1022.539 9.15 9.15 9.853 3.23095 4.63510 29.27 1482.48 1022.546 9.45 9.45 9.853 3.23155 4.63599 29.27 1482.49 1022.552 9.75 9.75 9.850 3.23141 4.63612 29.27 1482.48 1022.554 10.05 10.05 9.844 3.23246 4.63851 29.29 1482.48 1022.569 10.35 10.35 9.839 3.23506 4.64283 29.32 1482.51 1022.594 10.65 10.64 9.835 3.23786 4.64742 29.35 1482.54 1022.620 10.95 10.94 9.830 3.24044 4.65186 29.38 1482.56 1022.646 11.25 11.24 9.826 3.24270 4.65562 29.41 1482.58 1022.668 11.55 11.54 9.825 3.24365 4.65711 29.42 1482.59 1022.678 11.85 11.84 9.824 3.24460 4.65856 29.43 1482.61 1022.687 12.15 12.14 9.822 3.24494 4.65928 29.43 1482.61 1022.692 12.45 12.44 9.820 3.24567 4.66065 29.44 1482.62 1022.701 12.75 12.74 9.817 3.24549 4.66077 29.44 1482.62 1022.703 13.05 13.04 9.815 3.24596 4.66175 29.45 1482.62 1022.710 13.35 13.34 9.815 3.24609 4.66196 29.45 1482.63 1022.713 13.65 13.64 9.814 3.24626 4.66232 29.45 1482.63 1022.716 13.95 13.93 9.813 3.24715 4.66376 29.46 1482.64 1022.725 14.25 14.23 9.812 3.24716 4.66390 29.46 1482.65 1022.727 14.55 14.53 9.811 3.24734 4.66430 29.47 1482.65 1022.731 14.85 14.83 9.809 3.24847 4.66616 29.48 1482.66 1022.742 15.15 15.13 9.807 3.24954 4.66797 29.49 1482.68 1022.754 15.45 15.43 9.807 3.25018 4.66889 29.50 1482.69 1022.760 15.75 15.73 9.807 3.25095 4.66999 29.50 1482.70 1022.767 16.05 16.03 9.807 3.25136 4.67059 29.51 1482.71 1022.772 16.35 16.33 9.798 3.25243 4.67337 29.53 1482.71 1022.789 16.65 16.63 9.784 3.25486 4.67867 29.56 1482.70 1022.820 16.95 16.92 9.771 3.25598 4.68197 29.58 1482.69 1022.840 17.40 17.37 9.760 3.25704 4.68504 29.60 1482.68 1022.859