*2026/01/16 10:37:57.40 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/26 19:00:58.000 END TIME : UTC 2025/06/26 19:01:20.800 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 34.36 2 Depth metres 0.15 34.21 3 Temperature 'deg C (ITS90)' 9.476 15.289 4 Conductivity S/m 3.4407 3.76342 5 Conductance:Specific S/m 4.67055 4.99335 6 Salinity PSS-78 30.01 31.73 7 Speed:Sound m/s 1484.47 1501.79 8 Density kg/m^3 1022.067 1024.636 $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 : 206 LATITUDE : 48 56.84730 N ! (deg min) LONGITUDE : 125 19.28030 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20250626_190058 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 10:33:33 115 115 MERGEHDR 1.3 2026/01/16 10:35:47 115 115 HDREDIT2 3.2 2026/01/16 10:36:18 ? ? REMOVECH 8.2 2026/01/16 10:36:50 115 115 CALIB 12.1 2026/01/16 10:37:20 115 115 CLEAN 5.3 2026/01/16 10:37:57 115 115 $END $REMARKS -HEADER EDITS: 2026/01/16 10:36:18 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 10:36:50 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 10:37:20 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 15.289 3.76342 4.67055 30.01 1501.79 1022.067 0.45 0.45 15.226 3.76207 4.67612 30.04 1501.64 1022.109 0.75 0.75 15.173 3.75825 4.67763 30.05 1501.48 1022.128 1.05 1.05 15.124 3.75784 4.68279 30.08 1501.37 1022.165 1.35 1.35 15.080 3.76182 4.69292 30.15 1501.32 1022.229 1.65 1.65 15.097 3.76272 4.69203 30.15 1501.37 1022.223 1.95 1.94 15.090 3.76047 4.69003 30.13 1501.33 1022.214 2.25 2.24 15.043 3.75883 4.69353 30.16 1501.21 1022.242 2.55 2.54 14.958 3.75451 4.69807 30.18 1500.98 1022.282 2.85 2.84 14.845 3.74631 4.70110 30.20 1500.64 1022.318 3.15 3.14 14.698 3.73551 4.70496 30.21 1500.19 1022.363 3.45 3.44 14.571 3.71961 4.69993 30.17 1499.73 1022.356 3.75 3.74 14.404 3.71309 4.71162 30.24 1499.27 1022.447 4.05 4.04 14.166 3.71032 4.73663 30.40 1498.69 1022.621 4.35 4.34 13.978 3.68171 4.72281 30.29 1497.95 1022.573 4.65 4.64 13.826 3.67663 4.73479 30.36 1497.53 1022.662 4.95 4.94 13.674 3.65882 4.73027 30.32 1496.99 1022.659 5.25 5.23 13.378 3.64556 4.74959 30.43 1496.14 1022.806 5.55 5.53 13.168 3.63518 4.76214 30.50 1495.52 1022.904 5.85 5.83 13.005 3.62982 4.77544 30.58 1495.08 1022.999 6.15 6.13 12.890 3.62097 4.77831 30.59 1494.70 1023.030 6.45 6.43 12.809 3.61867 4.78546 30.64 1494.49 1023.081 6.75 6.73 12.696 3.61135 4.79006 30.66 1494.14 1023.121 7.05 7.03 12.553 3.60254 4.79654 30.69 1493.70 1023.174 7.35 7.33 12.414 3.59698 4.80705 30.75 1493.30 1023.250 7.65 7.63 12.277 3.58953 4.81466 30.79 1492.88 1023.308 7.95 7.93 12.110 3.58673 4.83258 30.90 1492.44 1023.426 8.25 8.22 11.961 3.57065 4.83031 30.87 1491.90 1023.431 8.55 8.52 11.857 3.56071 4.83043 30.86 1491.53 1023.444 8.85 8.82 11.778 3.55681 4.83553 30.89 1491.30 1023.481 9.15 9.12 11.696 3.55101 4.83842 30.90 1491.03 1023.507 9.45 9.42 11.543 3.54676 4.85290 30.99 1490.60 1023.603 9.75 9.72 11.408 3.53683 4.85728 31.01 1490.16 1023.641 10.05 10.02 11.253 3.52840 4.86638 31.05 1489.68 1023.707 10.35 10.32 11.094 3.52062 4.87701 31.11 1489.19 1023.781 10.65 10.61 11.001 3.51469 4.88135 31.13 1488.89 1023.814 10.95 10.91 10.900 3.51204 4.89140 31.19 1488.61 1023.879 11.25 11.21 10.836 3.50369 4.88857 31.16 1488.35 1023.870 11.55 11.51 10.779 3.50126 4.89284 31.19 1488.19 1023.900 11.85 11.81 10.724 3.49856 4.89661 31.21 1488.02 1023.926 12.15 12.11 10.673 3.49691 4.90135 31.24 1487.87 1023.958 12.45 12.41 10.615 3.49480 4.90638 31.26 1487.71 1023.991 12.75 12.70 10.579 3.49299 4.90875 31.28 1487.60 1024.008 13.05 13.00 10.551 3.49312 4.91289 31.30 1487.53 1024.035 13.35 13.30 10.508 3.49152 4.91656 31.32 1487.41 1024.059 13.65 13.60 10.471 3.48809 4.91686 31.32 1487.28 1024.065 13.95 13.90 10.446 3.48578 4.91706 31.32 1487.19 1024.069 14.25 14.20 10.423 3.48414 4.91793 31.32 1487.12 1024.077 14.55 14.50 10.395 3.48239 4.91937 31.33 1487.03 1024.088 14.85 14.80 10.367 3.48178 4.92237 31.35 1486.96 1024.108 15.15 15.09 10.340 3.47951 4.92296 31.35 1486.86 1024.115 15.45 15.39 10.312 3.47912 4.92620 31.37 1486.79 1024.135 15.75 15.69 10.294 3.47737 4.92633 31.37 1486.73 1024.139 16.05 15.99 10.279 3.47607 4.92658 31.37 1486.68 1024.143 16.35 16.29 10.266 3.47507 4.92696 31.37 1486.64 1024.147 16.65 16.59 10.251 3.47467 4.92847 31.37 1486.60 1024.157 16.95 16.89 10.244 3.47425 4.92892 31.38 1486.58 1024.162 17.25 17.18 10.231 3.47368 4.92980 31.38 1486.55 1024.169 17.55 17.48 10.189 3.47281 4.93456 31.41 1486.43 1024.199 17.85 17.78 10.161 3.47079 4.93552 31.41 1486.35 1024.208 18.15 18.08 10.145 3.46967 4.93627 31.42 1486.29 1024.214 18.45 18.38 10.121 3.46813 4.93745 31.42 1486.22 1024.224 18.75 18.68 10.101 3.46746 4.93931 31.43 1486.16 1024.236 19.05 18.98 10.080 3.46619 4.94037 31.44 1486.10 1024.245 19.35 19.27 10.061 3.46536 4.94189 31.44 1486.05 1024.256 19.65 19.57 10.048 3.46498 4.94318 31.45 1486.01 1024.265 19.95 19.87 10.030 3.46502 4.94585 31.47 1485.97 1024.282 20.25 20.17 10.010 3.46395 4.94709 31.47 1485.91 1024.291 20.55 20.47 9.997 3.46354 4.94833 31.48 1485.88 1024.300 20.85 20.77 9.981 3.46160 4.94786 31.48 1485.82 1024.300 21.15 21.07 9.951 3.46054 4.95057 31.49 1485.73 1024.318 21.45 21.36 9.926 3.45952 4.95268 31.50 1485.66 1024.333 21.75 21.66 9.906 3.45771 4.95291 31.50 1485.59 1024.336 22.05 21.96 9.883 3.45650 4.95446 31.51 1485.52 1024.348 22.35 22.26 9.865 3.45644 4.95688 31.52 1485.48 1024.363 22.65 22.56 9.849 3.45600 4.95849 31.53 1485.44 1024.374 22.95 22.86 9.830 3.45537 4.96040 31.54 1485.39 1024.387 23.25 23.16 9.811 3.45481 4.96223 31.55 1485.34 1024.400 23.55 23.45 9.791 3.45418 4.96422 31.57 1485.28 1024.413 23.85 23.75 9.781 3.45323 4.96432 31.57 1485.25 1024.416 24.15 24.05 9.767 3.45293 4.96586 31.57 1485.21 1024.426 24.45 24.35 9.749 3.45172 4.96668 31.58 1485.16 1024.433 24.75 24.65 9.722 3.45161 4.97040 31.60 1485.09 1024.457 25.05 24.95 9.689 3.45026 4.97318 31.62 1484.99 1024.475 25.35 25.25 9.664 3.44906 4.97502 31.62 1484.92 1024.488 25.65 25.54 9.646 3.44699 4.97453 31.62 1484.85 1024.487 25.95 25.84 9.631 3.44645 4.97596 31.63 1484.81 1024.497 26.25 26.14 9.607 3.44551 4.97806 31.64 1484.74 1024.512 26.55 26.44 9.582 3.44500 4.98092 31.65 1484.68 1024.530 26.85 26.74 9.570 3.44460 4.98201 31.66 1484.64 1024.538 27.15 27.04 9.561 3.44454 4.98332 31.67 1484.62 1024.547 27.45 27.33 9.555 3.44488 4.98460 31.68 1484.62 1024.556 27.75 27.63 9.553 3.44467 4.98456 31.68 1484.62 1024.557 28.05 27.93 9.550 3.44458 4.98490 31.68 1484.61 1024.560 28.35 28.23 9.547 3.44375 4.98419 31.67 1484.60 1024.557 28.65 28.53 9.545 3.44422 4.98510 31.68 1484.60 1024.564 28.95 28.83 9.540 3.44401 4.98556 31.68 1484.59 1024.568 29.25 29.13 9.533 3.44317 4.98530 31.68 1484.57 1024.568 29.55 29.42 9.531 3.44334 4.98581 31.68 1484.57 1024.572 29.85 29.72 9.523 3.44382 4.98766 31.69 1484.56 1024.584 30.15 30.02 9.518 3.44430 4.98911 31.70 1484.56 1024.594 30.45 30.32 9.514 3.44339 4.98840 31.70 1484.54 1024.591 30.75 30.62 9.510 3.44412 4.99005 31.71 1484.54 1024.602 31.05 30.92 9.511 3.44339 4.98885 31.70 1484.54 1024.596 31.35 31.22 9.511 3.44393 4.98967 31.70 1484.55 1024.602 31.65 31.51 9.509 3.44306 4.98868 31.70 1484.54 1024.598 31.95 31.81 9.503 3.44224 4.98839 31.69 1484.52 1024.598 32.25 32.11 9.495 3.44282 4.99026 31.71 1484.51 1024.610 32.55 32.41 9.489 3.44328 4.99180 31.72 1484.51 1024.620 32.85 32.71 9.486 3.44234 4.99091 31.71 1484.49 1024.617 33.15 33.01 9.480 3.44317 4.99292 31.72 1484.49 1024.629 33.45 33.30 9.479 3.44238 4.99206 31.72 1484.48 1024.626 33.75 33.60 9.476 3.44274 4.99290 31.72 1484.49 1024.632 34.05 33.90 9.478 3.44319 4.99335 31.73 1484.50 1024.636 34.36 34.21 9.477 3.44070 4.98988 31.70 1484.47 1024.618