*2026/01/16 09:57:50.47 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/05/21 15:23:53.000 END TIME : UTC 2024/05/21 15:24:08.600 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 79 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 23.59 2 Depth metres 0.15 23.47 3 Temperature 'deg C (ITS90)' 9.301 11.901 4 Conductivity S/m 3.47032 3.56257 5 Conductance:Specific S/m 4.80221 5.06946 6 Salinity PSS-78 30.67 32.24 7 Speed:Sound m/s 1484.22 1491.32 8 Density kg/m^3 1023.249 1025.02 $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 : 114 LATITUDE : 48 48.72230 N ! (deg min) LONGITUDE : 125 11.41920 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240521_152353 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:59 79 79 MERGEHDR 1.3 2026/01/16 09:53:52 79 79 HDREDIT2 3.2 2026/01/16 09:55:05 ? ? REMOVECH 8.2 2026/01/16 09:56:16 79 79 CALIB 12.1 2026/01/16 09:56:49 79 79 CLEAN 5.3 2026/01/16 09:57:50 79 79 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:05 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 09:56:16 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:49 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 11.901 3.54417 4.80221 30.67 1491.32 1023.249 0.45 0.45 11.859 3.54367 4.80711 30.70 1491.21 1023.281 0.75 0.75 11.809 3.54308 4.81286 30.74 1491.08 1023.319 1.05 1.05 11.770 3.54494 4.82039 30.79 1491.02 1023.366 1.35 1.34 11.715 3.54864 4.83264 30.87 1490.93 1023.440 1.65 1.64 11.683 3.55503 4.84567 30.96 1490.92 1023.516 1.95 1.94 11.626 3.56257 4.86338 31.08 1490.88 1023.621 2.25 2.24 11.508 3.56154 4.87772 31.17 1490.58 1023.713 2.55 2.54 11.358 3.55953 4.89517 31.27 1490.18 1023.824 2.85 2.84 11.215 3.55518 4.90843 31.35 1489.78 1023.912 3.15 3.14 11.155 3.55375 4.91464 31.39 1489.62 1023.953 3.45 3.44 11.049 3.55535 4.93132 31.50 1489.38 1024.055 3.75 3.73 10.947 3.55743 4.94810 31.60 1489.15 1024.158 4.05 4.03 10.900 3.55479 4.95099 31.62 1489.01 1024.179 4.35 4.33 10.851 3.55405 4.95669 31.65 1488.88 1024.215 4.65 4.63 10.791 3.55064 4.96023 31.67 1488.69 1024.241 4.95 4.93 10.738 3.54668 4.96207 31.68 1488.52 1024.257 5.25 5.23 10.700 3.54391 4.96348 31.68 1488.39 1024.269 5.55 5.53 10.610 3.53522 4.96387 31.67 1488.07 1024.279 5.85 5.82 10.481 3.52131 4.96219 31.65 1487.58 1024.281 6.15 6.12 10.301 3.51378 4.97681 31.73 1487.04 1024.376 6.45 6.42 10.017 3.49878 4.99577 31.83 1486.14 1024.501 6.75 6.72 9.945 3.49591 5.00205 31.86 1485.92 1024.542 7.05 7.02 9.905 3.49434 5.00546 31.88 1485.81 1024.564 7.35 7.32 9.853 3.49282 5.01082 31.91 1485.66 1024.598 7.65 7.62 9.830 3.49220 5.01321 31.92 1485.60 1024.614 7.95 7.91 9.815 3.49230 5.01555 31.94 1485.56 1024.629 8.25 8.21 9.799 3.49217 5.01763 31.95 1485.53 1024.643 8.55 8.51 9.793 3.49203 5.01824 31.95 1485.52 1024.648 8.85 8.81 9.781 3.49116 5.01876 31.96 1485.48 1024.653 9.15 9.11 9.754 3.48868 5.01911 31.96 1485.38 1024.657 9.45 9.41 9.719 3.48552 5.01964 31.95 1485.26 1024.664 9.75 9.70 9.693 3.48408 5.02133 31.96 1485.18 1024.676 10.05 10.00 9.642 3.48120 5.02452 31.98 1485.02 1024.697 10.35 10.30 9.609 3.47837 5.02527 31.98 1484.90 1024.705 10.65 10.60 9.592 3.47832 5.02767 31.99 1484.86 1024.720 10.95 10.90 9.584 3.47782 5.02803 31.99 1484.84 1024.724 11.25 11.20 9.580 3.47811 5.02910 32.00 1484.84 1024.731 11.55 11.50 9.573 3.47738 5.02908 32.00 1484.82 1024.733 11.85 11.79 9.568 3.47756 5.02999 32.01 1484.81 1024.739 12.15 12.09 9.567 3.47771 5.03046 32.01 1484.81 1024.743 12.45 12.39 9.566 3.47809 5.03111 32.01 1484.82 1024.748 12.75 12.69 9.565 3.47795 5.03102 32.01 1484.82 1024.749 13.05 12.99 9.567 3.47854 5.03154 32.02 1484.84 1024.753 13.35 13.29 9.569 3.47905 5.03201 32.02 1484.86 1024.757 13.65 13.58 9.569 3.47957 5.03277 32.02 1484.87 1024.762 13.95 13.88 9.570 3.47952 5.03257 32.02 1484.87 1024.762 14.25 14.18 9.571 3.48042 5.03370 32.03 1484.89 1024.770 14.55 14.48 9.575 3.48088 5.03384 32.03 1484.91 1024.771 14.85 14.78 9.577 3.48150 5.03440 32.04 1484.93 1024.776 15.15 15.08 9.578 3.48188 5.03478 32.04 1484.94 1024.779 15.45 15.38 9.578 3.48212 5.03518 32.04 1484.95 1024.782 15.75 15.67 9.570 3.48092 5.03454 32.04 1484.92 1024.781 16.05 15.97 9.562 3.47974 5.03401 32.03 1484.89 1024.779 16.35 16.27 9.549 3.47940 5.03550 32.04 1484.86 1024.790 16.65 16.57 9.535 3.47796 5.03543 32.04 1484.81 1024.791 16.95 16.87 9.524 3.47729 5.03606 32.04 1484.78 1024.797 17.25 17.17 9.505 3.47736 5.03898 32.06 1484.73 1024.815 17.55 17.46 9.489 3.47637 5.03984 32.06 1484.68 1024.822 17.85 17.76 9.478 3.47544 5.04007 32.06 1484.65 1024.825 18.15 18.06 9.463 3.47394 5.04011 32.06 1484.60 1024.827 18.45 18.36 9.426 3.47306 5.04422 32.08 1484.49 1024.853 18.75 18.66 9.381 3.47127 5.04817 32.11 1484.36 1024.878 19.05 18.96 9.360 3.47032 5.04988 32.11 1484.30 1024.890 19.35 19.25 9.342 3.47042 5.05274 32.13 1484.26 1024.908 19.65 19.55 9.319 3.47199 5.05841 32.17 1484.22 1024.942 19.95 19.85 9.306 3.47371 5.06277 32.20 1484.22 1024.968 20.25 20.15 9.305 3.47442 5.06406 32.21 1484.23 1024.976 20.55 20.45 9.302 3.47590 5.06657 32.22 1484.24 1024.991 20.85 20.75 9.301 3.47643 5.06747 32.23 1484.25 1024.998 21.15 21.04 9.302 3.47637 5.06725 32.23 1484.26 1024.998 21.45 21.34 9.305 3.47619 5.06652 32.22 1484.27 1024.995 21.75 21.64 9.306 3.47700 5.06765 32.23 1484.29 1025.002 22.05 21.94 9.305 3.47730 5.06821 32.23 1484.29 1025.007 22.35 22.24 9.304 3.47728 5.06830 32.24 1484.29 1025.008 22.65 22.54 9.304 3.47733 5.06837 32.24 1484.30 1025.010 22.95 22.84 9.304 3.47704 5.06796 32.23 1484.30 1025.009 23.25 23.13 9.304 3.47766 5.06885 32.24 1484.31 1025.015 23.59 23.47 9.308 3.47849 5.06946 32.24 1484.34 1025.020