*2026/01/16 09:57:56.10 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/10/16 19:29:06.000 END TIME : UTC 2024/10/16 19:29:34.000 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 141 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 42.05 2 Depth metres 0.15 41.86 3 Temperature 'deg C (ITS90)' 10.215 12.933 4 Conductivity S/m 2.76521 3.61813 5 Conductance:Specific S/m 3.66648 5.0497 6 Salinity PSS-78 22.83 32.22 7 Speed:Sound m/s 1484.34 1491.36 8 Density kg/m^3 1017.003 1024.936 $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 : 274 LATITUDE : 49 3.22430 N ! (deg min) LONGITUDE : 124 50.43070 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241016_192906 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:08 141 141 MERGEHDR 1.3 2026/01/16 09:54:09 141 141 HDREDIT2 3.2 2026/01/16 09:55:13 ? ? REMOVECH 8.2 2026/01/16 09:56:24 141 141 CALIB 12.1 2026/01/16 09:56:56 141 141 CLEAN 5.3 2026/01/16 09:57:56 141 141 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:13 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 09:56:24 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:56 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 12.933 2.78160 3.66648 22.83 1485.59 1017.003 0.45 0.45 12.691 2.76561 3.66882 22.83 1484.76 1017.047 0.75 0.75 12.537 2.76521 3.68330 22.92 1484.34 1017.144 1.05 1.05 12.510 2.81411 3.75113 23.39 1484.79 1017.507 1.35 1.35 12.539 2.83923 3.78172 23.60 1485.15 1017.667 1.65 1.65 12.549 2.85492 3.80162 23.74 1485.35 1017.773 1.95 1.95 12.506 2.89447 3.85872 24.13 1485.67 1018.083 2.25 2.25 12.489 2.97373 3.96609 24.87 1486.49 1018.659 2.55 2.55 12.480 3.00886 4.01398 25.20 1486.85 1018.917 2.85 2.85 12.455 3.08327 4.11595 25.90 1487.61 1019.468 3.15 3.15 12.398 3.17939 4.25079 26.84 1488.52 1020.202 3.45 3.45 12.277 3.32580 4.46098 28.30 1489.84 1021.356 3.75 3.75 12.179 3.40002 4.57254 29.07 1490.43 1021.976 4.05 4.05 12.087 3.46310 4.66888 29.74 1490.92 1022.514 4.35 4.35 11.985 3.47495 4.69784 29.94 1490.80 1022.685 4.65 4.65 11.909 3.50497 4.74808 30.29 1490.96 1022.969 4.95 4.95 11.797 3.55032 4.82417 30.81 1491.21 1023.400 5.25 5.25 11.695 3.57548 4.87183 31.14 1491.25 1023.674 5.55 5.55 11.631 3.59261 4.90382 31.36 1491.29 1023.858 5.85 5.85 11.570 3.61095 4.93708 31.59 1491.36 1024.049 6.15 6.14 11.505 3.61168 4.94686 31.65 1491.21 1024.111 6.45 6.44 11.462 3.61276 4.95419 31.70 1491.12 1024.157 6.75 6.74 11.424 3.61455 4.96179 31.75 1491.06 1024.203 7.05 7.04 11.385 3.61695 4.97035 31.81 1491.00 1024.255 7.35 7.34 11.362 3.61756 4.97439 31.83 1490.95 1024.281 7.65 7.64 11.343 3.61813 4.97778 31.86 1490.91 1024.303 7.95 7.94 11.322 3.61697 4.97904 31.86 1490.85 1024.313 8.25 8.23 11.288 3.61692 4.98356 31.89 1490.78 1024.343 8.55 8.53 11.271 3.61504 4.98333 31.89 1490.72 1024.344 8.85 8.83 11.259 3.61549 4.98567 31.90 1490.69 1024.359 9.15 9.13 11.248 3.61466 4.98599 31.90 1490.66 1024.363 9.45 9.43 11.230 3.61363 4.98709 31.91 1490.61 1024.372 9.75 9.73 11.208 3.61242 4.98838 31.92 1490.55 1024.383 10.05 10.03 11.199 3.61195 4.98908 31.92 1490.52 1024.389 10.35 10.32 11.189 3.61191 4.99035 31.93 1490.50 1024.398 10.65 10.62 11.179 3.61162 4.99139 31.93 1490.48 1024.406 10.95 10.92 11.166 3.61055 4.99159 31.93 1490.44 1024.409 11.25 11.22 11.151 3.60961 4.99244 31.94 1490.40 1024.417 11.55 11.52 11.139 3.60866 4.99270 31.94 1490.36 1024.420 11.85 11.82 11.130 3.60848 4.99369 31.94 1490.34 1024.428 12.15 12.11 11.115 3.60735 4.99428 31.95 1490.30 1024.434 12.45 12.41 11.092 3.60461 4.99368 31.94 1490.21 1024.433 12.75 12.71 11.057 3.60345 4.99692 31.96 1490.11 1024.456 13.05 13.01 11.032 3.60095 4.99688 31.95 1490.03 1024.459 13.35 13.31 11.021 3.60042 4.99768 31.96 1490.00 1024.465 13.65 13.61 11.013 3.60031 4.99868 31.96 1489.98 1024.473 13.95 13.91 11.007 3.60020 4.99933 31.97 1489.97 1024.478 14.25 14.20 11.003 3.59969 4.99917 31.97 1489.96 1024.479 14.55 14.50 11.001 3.59977 4.99949 31.97 1489.96 1024.482 14.85 14.80 11.001 3.59928 4.99880 31.96 1489.96 1024.480 15.15 15.10 10.999 3.59954 4.99955 31.97 1489.96 1024.485 15.45 15.40 10.990 3.59892 4.99984 31.97 1489.94 1024.489 15.75 15.70 10.980 3.59858 5.00078 31.98 1489.91 1024.496 16.05 16.00 10.960 3.59780 5.00247 31.98 1489.86 1024.508 16.35 16.29 10.944 3.59663 5.00317 31.99 1489.81 1024.515 16.65 16.59 10.937 3.59540 5.00232 31.98 1489.78 1024.512 16.95 16.89 10.931 3.59563 5.00355 31.99 1489.78 1024.521 17.25 17.19 10.925 3.59541 5.00406 31.99 1489.76 1024.525 17.55 17.49 10.922 3.59493 5.00380 31.99 1489.76 1024.525 17.85 17.79 10.917 3.59477 5.00428 31.99 1489.75 1024.530 18.15 18.08 10.911 3.59459 5.00484 31.99 1489.73 1024.534 18.45 18.38 10.909 3.59468 5.00523 32.00 1489.74 1024.538 18.75 18.68 10.905 3.59516 5.00642 32.01 1489.74 1024.546 19.05 18.98 10.904 3.59492 5.00623 32.00 1489.74 1024.547 19.35 19.28 10.902 3.59510 5.00676 32.01 1489.74 1024.551 19.65 19.58 10.902 3.59452 5.00603 32.00 1489.73 1024.548 19.95 19.88 10.900 3.59446 5.00620 32.00 1489.73 1024.551 20.25 20.17 10.897 3.59463 5.00683 32.01 1489.73 1024.555 20.55 20.47 10.895 3.59496 5.00757 32.01 1489.74 1024.561 20.85 20.77 10.895 3.59398 5.00626 32.00 1489.73 1024.555 21.15 21.07 10.893 3.59436 5.00702 32.01 1489.73 1024.561 21.45 21.37 10.893 3.59425 5.00693 32.01 1489.74 1024.561 21.75 21.67 10.891 3.59412 5.00693 32.01 1489.74 1024.563 22.05 21.97 10.891 3.59400 5.00688 32.01 1489.74 1024.564 22.35 22.26 10.887 3.59398 5.00737 32.01 1489.73 1024.568 22.65 22.56 10.885 3.59364 5.00715 32.01 1489.73 1024.568 22.95 22.86 10.881 3.59360 5.00765 32.01 1489.72 1024.573 23.25 23.16 10.876 3.59299 5.00755 32.01 1489.71 1024.574 23.55 23.46 10.868 3.59327 5.00900 32.02 1489.70 1024.584 23.85 23.76 10.861 3.59258 5.00908 32.02 1489.68 1024.586 24.15 24.05 10.850 3.59225 5.01009 32.02 1489.65 1024.594 24.45 24.35 10.842 3.59180 5.01066 32.03 1489.63 1024.599 24.75 24.65 10.836 3.59185 5.01150 32.03 1489.62 1024.605 25.05 24.95 10.829 3.59183 5.01250 32.04 1489.61 1024.613 25.35 25.25 10.815 3.59111 5.01335 32.04 1489.57 1024.620 25.65 25.55 10.788 3.58871 5.01377 32.04 1489.48 1024.625 25.95 25.85 10.766 3.58773 5.01558 32.05 1489.41 1024.638 26.25 26.14 10.748 3.58685 5.01679 32.06 1489.37 1024.648 26.55 26.44 10.735 3.58688 5.01868 32.07 1489.34 1024.661 26.85 26.74 10.727 3.58693 5.01989 32.08 1489.32 1024.669 27.15 27.04 10.715 3.58634 5.02073 32.08 1489.29 1024.676 27.45 27.34 10.703 3.58577 5.02168 32.09 1489.26 1024.683 27.75 27.64 10.695 3.58515 5.02196 32.09 1489.24 1024.687 28.05 27.93 10.679 3.58473 5.02353 32.10 1489.20 1024.698 28.35 28.23 10.662 3.58379 5.02469 32.10 1489.15 1024.707 28.65 28.53 10.648 3.58325 5.02581 32.11 1489.11 1024.716 28.95 28.83 10.634 3.58223 5.02642 32.11 1489.07 1024.721 29.25 29.13 10.620 3.58229 5.02842 32.12 1489.04 1024.735 29.55 29.43 10.607 3.58110 5.02867 32.12 1489.00 1024.738 29.85 29.73 10.600 3.58052 5.02887 32.12 1488.98 1024.741 30.15 30.02 10.590 3.57940 5.02867 32.12 1488.94 1024.742 30.45 30.32 10.579 3.57896 5.02954 32.13 1488.92 1024.749 30.75 30.62 10.567 3.57884 5.03105 32.13 1488.89 1024.760 31.05 30.92 10.564 3.57899 5.03169 32.14 1488.89 1024.765 31.35 31.22 10.560 3.57821 5.03118 32.13 1488.87 1024.763 31.65 31.52 10.553 3.57851 5.03264 32.14 1488.86 1024.773 31.95 31.81 10.543 3.57765 5.03291 32.14 1488.83 1024.777 32.25 32.11 10.531 3.57722 5.03394 32.15 1488.80 1024.785 32.55 32.41 10.522 3.57547 5.03282 32.14 1488.76 1024.780 32.85 32.71 10.512 3.57479 5.03324 32.14 1488.73 1024.785 33.15 33.01 10.499 3.57390 5.03376 32.14 1488.70 1024.790 33.45 33.31 10.486 3.57420 5.03605 32.16 1488.67 1024.805 33.75 33.60 10.465 3.57229 5.03635 32.16 1488.60 1024.809 34.05 33.90 10.453 3.57143 5.03683 32.16 1488.57 1024.814 34.35 34.20 10.445 3.56986 5.03583 32.15 1488.53 1024.810 34.65 34.50 10.422 3.56880 5.03758 32.16 1488.46 1024.823 34.95 34.80 10.405 3.56708 5.03750 32.16 1488.41 1024.825 35.25 35.10 10.399 3.56688 5.03806 32.16 1488.39 1024.830 35.55 35.40 10.390 3.56694 5.03941 32.17 1488.38 1024.839 35.85 35.69 10.383 3.56611 5.03936 32.17 1488.35 1024.841 36.15 35.99 10.374 3.56596 5.04039 32.17 1488.33 1024.848 36.45 36.29 10.367 3.56573 5.04104 32.18 1488.32 1024.854 36.75 36.59 10.360 3.56537 5.04152 32.18 1488.30 1024.858 37.05 36.89 10.354 3.56424 5.04078 32.17 1488.28 1024.855 37.35 37.19 10.340 3.56364 5.04199 32.18 1488.24 1024.865 37.65 37.48 10.339 3.56339 5.04180 32.18 1488.24 1024.865 37.95 37.78 10.334 3.56336 5.04242 32.18 1488.23 1024.870 38.25 38.08 10.331 3.56336 5.04283 32.19 1488.23 1024.874 38.55 38.38 10.331 3.56404 5.04382 32.19 1488.24 1024.880 38.85 38.68 10.332 3.56284 5.04199 32.18 1488.23 1024.871 39.15 38.98 10.327 3.56239 5.04197 32.18 1488.22 1024.873 39.45 39.27 10.320 3.56224 5.04279 32.18 1488.21 1024.879 39.75 39.57 10.315 3.56169 5.04281 32.18 1488.19 1024.881 40.05 39.87 10.306 3.55998 5.04166 32.17 1488.15 1024.876 40.35 40.17 10.286 3.55985 5.04423 32.19 1488.11 1024.893 40.65 40.47 10.275 3.55859 5.04408 32.19 1488.07 1024.894 40.95 40.77 10.263 3.55836 5.04549 32.19 1488.04 1024.904 41.25 41.06 10.257 3.55705 5.04442 32.19 1488.01 1024.900 41.55 41.36 10.248 3.55660 5.04509 32.19 1487.99 1024.906 41.85 41.66 10.220 3.55561 5.04770 32.20 1487.91 1024.923 42.05 41.86 10.215 3.55647 5.04970 32.22 1487.91 1024.936