*2026/01/16 09:57:54.08 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/08/16 15:28:04.000 END TIME : UTC 2024/08/16 15:28:30.800 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 40.32 2 Depth metres 0.15 40.13 3 Temperature 'deg C (ITS90)' 9.258 17.695 4 Conductivity S/m 3.47912 3.94515 5 Conductance:Specific S/m 4.58589 5.07969 6 Salinity PSS-78 29.53 32.3 7 Speed:Sound m/s 1484.48 1508.96 8 Density kg/m^3 1021.19 1025.148 $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 : 222 LATITUDE : 48 51.39500 N ! (deg min) LONGITUDE : 125 7.16350 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240816_152804 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:05 135 135 MERGEHDR 1.3 2026/01/16 09:54:02 135 135 HDREDIT2 3.2 2026/01/16 09:55:10 ? ? REMOVECH 8.2 2026/01/16 09:56:21 135 135 CALIB 12.1 2026/01/16 09:56:54 135 135 CLEAN 5.3 2026/01/16 09:57:54 135 135 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:10 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 09:56:21 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:54 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 17.695 3.94515 4.62020 29.78 1508.96 1021.352 0.45 0.45 17.572 3.90460 4.58589 29.53 1508.31 1021.190 0.75 0.75 17.460 3.91186 4.60656 29.67 1508.14 1021.326 1.05 1.05 17.472 3.94278 4.64160 29.92 1508.47 1021.517 1.35 1.35 17.364 3.93782 4.64759 29.96 1508.19 1021.573 1.65 1.65 17.251 3.93229 4.65349 30.00 1507.90 1021.628 1.95 1.95 17.078 3.92269 4.66118 30.04 1507.43 1021.705 2.25 2.25 16.622 3.90916 4.69604 30.27 1506.30 1021.984 2.55 2.54 16.186 3.89551 4.72913 30.48 1505.20 1022.246 2.85 2.84 14.968 3.82256 4.78196 30.78 1501.71 1022.743 3.15 3.14 14.473 3.74723 4.74663 30.49 1499.78 1022.627 3.45 3.44 13.874 3.70124 4.76057 30.55 1497.89 1022.792 3.75 3.74 13.203 3.66184 4.79260 30.72 1495.87 1023.059 4.05 4.04 12.678 3.64806 4.84105 31.02 1494.46 1023.392 4.35 4.34 12.313 3.63719 4.87389 31.22 1493.46 1023.617 4.65 4.64 12.039 3.62885 4.89865 31.37 1492.70 1023.784 4.95 4.94 11.796 3.61762 4.91581 31.47 1491.98 1023.906 5.25 5.23 11.637 3.61184 4.92924 31.54 1491.53 1023.997 5.55 5.53 11.554 3.60849 4.93585 31.58 1491.29 1024.043 5.85 5.83 11.482 3.60563 4.94168 31.62 1491.08 1024.083 6.15 6.13 11.398 3.60320 4.94967 31.66 1490.85 1024.136 6.45 6.43 11.347 3.60120 4.95393 31.69 1490.71 1024.166 6.75 6.73 11.293 3.59813 4.95704 31.70 1490.54 1024.189 7.05 7.03 11.239 3.59633 4.96193 31.73 1490.39 1024.222 7.35 7.32 11.192 3.59305 4.96388 31.74 1490.24 1024.239 7.65 7.62 11.143 3.59030 4.96677 31.76 1490.09 1024.260 7.95 7.92 11.121 3.58770 4.96627 31.75 1490.01 1024.261 8.25 8.22 11.068 3.58485 4.96952 31.77 1489.85 1024.284 8.55 8.52 11.044 3.58279 4.97008 31.77 1489.77 1024.291 8.85 8.82 11.016 3.58045 4.97066 31.77 1489.68 1024.298 9.15 9.12 10.991 3.57881 4.97186 31.77 1489.60 1024.308 9.45 9.41 10.945 3.57568 4.97388 31.78 1489.45 1024.324 9.75 9.71 10.862 3.57054 4.97810 31.80 1489.19 1024.355 10.05 10.01 10.818 3.56728 4.97967 31.81 1489.05 1024.369 10.35 10.31 10.770 3.56494 4.98317 31.83 1488.90 1024.394 10.65 10.61 10.733 3.56250 4.98482 31.83 1488.79 1024.407 10.95 10.91 10.706 3.56187 4.98777 31.85 1488.72 1024.427 11.25 11.21 10.677 3.56007 4.98937 31.86 1488.63 1024.439 11.55 11.50 10.650 3.55918 4.99182 31.87 1488.55 1024.456 11.85 11.80 10.622 3.55780 4.99377 31.88 1488.47 1024.470 12.15 12.10 10.588 3.55511 4.99484 31.89 1488.36 1024.480 12.45 12.40 10.553 3.55296 4.99667 31.90 1488.25 1024.494 12.75 12.70 10.535 3.55130 4.99696 31.90 1488.19 1024.498 13.05 13.00 10.515 3.55010 4.99805 31.90 1488.13 1024.507 13.35 13.30 10.489 3.54788 4.99852 31.90 1488.04 1024.513 13.65 13.59 10.472 3.54685 4.99948 31.91 1487.99 1024.521 13.95 13.89 10.462 3.54636 5.00020 31.91 1487.96 1024.526 14.25 14.19 10.435 3.54478 5.00181 31.92 1487.88 1024.539 14.55 14.49 10.398 3.54302 5.00456 31.93 1487.77 1024.558 14.85 14.79 10.382 3.54370 5.00776 31.95 1487.74 1024.578 15.15 15.09 10.379 3.54280 5.00689 31.95 1487.73 1024.574 15.45 15.39 10.367 3.54166 5.00702 31.95 1487.69 1024.577 15.75 15.68 10.357 3.54161 5.00833 31.95 1487.67 1024.586 16.05 15.98 10.341 3.54065 5.00921 31.96 1487.62 1024.594 16.35 16.28 10.335 3.53982 5.00893 31.95 1487.60 1024.594 16.65 16.58 10.323 3.53923 5.00984 31.96 1487.57 1024.601 16.95 16.88 10.317 3.53885 5.01016 31.96 1487.55 1024.604 17.25 17.18 10.309 3.53834 5.01055 31.96 1487.53 1024.609 17.55 17.47 10.298 3.53847 5.01223 31.97 1487.51 1024.620 17.85 17.77 10.291 3.53800 5.01257 31.97 1487.49 1024.623 18.15 18.07 10.281 3.53720 5.01293 31.98 1487.46 1024.627 18.45 18.37 10.265 3.53582 5.01315 31.98 1487.41 1024.631 18.75 18.67 10.254 3.53552 5.01433 31.98 1487.38 1024.640 19.05 18.97 10.235 3.53365 5.01435 31.98 1487.32 1024.642 19.35 19.27 10.217 3.53374 5.01710 32.00 1487.28 1024.660 19.65 19.56 10.202 3.53341 5.01874 32.01 1487.24 1024.671 19.95 19.86 10.200 3.53306 5.01853 32.00 1487.24 1024.671 20.25 20.16 10.189 3.53291 5.01994 32.01 1487.21 1024.681 20.55 20.46 10.189 3.53351 5.02079 32.02 1487.22 1024.687 20.85 20.76 10.187 3.53364 5.02127 32.02 1487.22 1024.691 21.15 21.06 10.182 3.53340 5.02166 32.02 1487.21 1024.695 21.45 21.35 10.172 3.53260 5.02183 32.02 1487.19 1024.698 21.75 21.65 10.157 3.53191 5.02304 32.03 1487.14 1024.707 22.05 21.95 10.128 3.52959 5.02394 32.03 1487.04 1024.715 22.35 22.25 10.093 3.52811 5.02675 32.05 1486.94 1024.734 22.65 22.55 10.078 3.52726 5.02777 32.05 1486.90 1024.742 22.95 22.85 10.070 3.52740 5.02915 32.06 1486.88 1024.751 23.25 23.15 10.064 3.52697 5.02935 32.06 1486.87 1024.754 23.55 23.44 10.054 3.52627 5.02972 32.06 1486.84 1024.758 23.85 23.74 10.048 3.52630 5.03069 32.07 1486.83 1024.765 24.15 24.04 10.042 3.52587 5.03088 32.07 1486.82 1024.768 24.45 24.34 10.033 3.52522 5.03131 32.07 1486.79 1024.772 24.75 24.64 10.019 3.52512 5.03309 32.08 1486.76 1024.784 25.05 24.94 9.997 3.52334 5.03371 32.08 1486.68 1024.790 25.35 25.23 9.990 3.52192 5.03281 32.08 1486.65 1024.787 25.65 25.53 9.977 3.52087 5.03316 32.08 1486.61 1024.791 25.95 25.83 9.962 3.52102 5.03551 32.09 1486.58 1024.806 26.25 26.13 9.946 3.51980 5.03605 32.09 1486.53 1024.811 26.55 26.43 9.932 3.51927 5.03736 32.10 1486.49 1024.821 26.85 26.73 9.928 3.51864 5.03706 32.10 1486.48 1024.821 27.15 27.02 9.921 3.51931 5.03903 32.11 1486.47 1024.833 27.45 27.32 9.912 3.51774 5.03800 32.10 1486.44 1024.829 27.75 27.62 9.888 3.51716 5.04061 32.12 1486.37 1024.846 28.05 27.92 9.862 3.51441 5.04044 32.11 1486.28 1024.848 28.35 28.22 9.838 3.51311 5.04209 32.12 1486.21 1024.860 28.65 28.52 9.821 3.51331 5.04485 32.14 1486.17 1024.878 28.95 28.82 9.814 3.51372 5.04635 32.15 1486.16 1024.888 29.25 29.11 9.807 3.51284 5.04620 32.14 1486.14 1024.888 29.55 29.41 9.797 3.51176 5.04615 32.14 1486.10 1024.890 29.85 29.71 9.793 3.50982 5.04384 32.13 1486.07 1024.879 30.15 30.01 9.775 3.50957 5.04614 32.14 1486.03 1024.894 30.45 30.31 9.765 3.51026 5.04858 32.16 1486.02 1024.909 30.75 30.61 9.755 3.51058 5.05040 32.17 1486.00 1024.921 31.05 30.90 9.750 3.50965 5.04986 32.16 1485.98 1024.920 31.35 31.20 9.739 3.50978 5.05163 32.17 1485.96 1024.931 31.65 31.50 9.740 3.50951 5.05112 32.17 1485.96 1024.930 31.95 31.80 9.718 3.50891 5.05347 32.18 1485.90 1024.945 32.25 32.10 9.695 3.50809 5.05564 32.20 1485.84 1024.960 32.55 32.40 9.682 3.50714 5.05619 32.20 1485.80 1024.965 32.85 32.69 9.667 3.50628 5.05706 32.20 1485.76 1024.972 33.15 32.99 9.636 3.50538 5.06033 32.22 1485.67 1024.993 33.45 33.29 9.596 3.50324 5.06313 32.23 1485.55 1025.012 33.75 33.59 9.558 3.50036 5.06443 32.24 1485.42 1025.022 34.05 33.89 9.531 3.49831 5.06542 32.24 1485.33 1025.030 34.35 34.19 9.487 3.49661 5.06944 32.26 1485.20 1025.056 34.65 34.48 9.450 3.49411 5.07127 32.27 1485.08 1025.069 34.95 34.78 9.420 3.49109 5.07133 32.27 1484.97 1025.072 35.25 35.08 9.382 3.48765 5.07190 32.27 1484.83 1025.079 35.55 35.38 9.358 3.48672 5.07403 32.28 1484.76 1025.093 35.85 35.68 9.343 3.48581 5.07491 32.28 1484.72 1025.100 36.15 35.98 9.345 3.48565 5.07447 32.28 1484.72 1025.099 36.45 36.27 9.347 3.48540 5.07382 32.27 1484.73 1025.096 36.75 36.57 9.349 3.48570 5.07402 32.28 1484.74 1025.098 37.05 36.87 9.342 3.48432 5.07292 32.27 1484.72 1025.094 37.35 37.17 9.329 3.48150 5.07084 32.25 1484.65 1025.084 37.65 37.47 9.306 3.48179 5.07465 32.27 1484.60 1025.108 37.95 37.77 9.299 3.48035 5.07349 32.26 1484.57 1025.103 38.25 38.06 9.295 3.48104 5.07515 32.28 1484.57 1025.114 38.55 38.36 9.293 3.48028 5.07430 32.27 1484.56 1025.110 38.85 38.66 9.284 3.48048 5.07590 32.28 1484.55 1025.121 39.15 38.96 9.282 3.48159 5.07787 32.29 1484.56 1025.133 39.45 39.26 9.293 3.48049 5.07461 32.27 1484.58 1025.116 39.75 39.56 9.287 3.48070 5.07580 32.28 1484.57 1025.124 40.05 39.85 9.259 3.48051 5.07969 32.30 1484.50 1025.148 40.32 40.13 9.258 3.47912 5.07779 32.29 1484.48 1025.139