*2026/01/16 09:47:03.99 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2023/11/30 17:24:19.000 END TIME : UTC 2023/11/30 17:24:45.000 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 131 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 39.02 2 Depth metres 0.15 38.92 3 Temperature 'deg C (ITS90)' 10.944 11.556 4 Conductivity S/m 3.2561 3.53665 5 Conductance:Specific S/m 4.52936 4.84817 6 Salinity PSS-78 28.65 30.94 7 Speed:Sound m/s 1485.53 1490.79 8 Density kg/m^3 1021.848 1023.708 $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 : 2023-031 AGENCY : Pacific Biological Station COUNTRY : Canada PROJECT : PSSI SCIENTIST : Deeg C. PLATFORM : Other Vessel *LOCATION GEOGRAPHIC AREA : West Coast Vancouver Island EVENT NUMBER : 80 LATITUDE : 49 24.36320 N ! (deg min) LONGITUDE : 126 14.11660 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20231130_172419 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/15 13:40:52 131 131 MERGEHDR 1.3 2026/01/15 13:41:48 131 131 HDREDIT2 3.2 2026/01/15 14:00:56 ? ? REMOVECH 8.2 2026/01/15 14:01:18 131 131 CALIB 12.1 2026/01/16 09:46:08 131 131 CLEAN 5.3 2026/01/16 09:47:03 131 131 $END $REMARKS -HEADER EDITS: 2026/01/15 14:00:56 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 2026/01/15 14:01:18 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:46:08 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 09:47:01 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 10.944 3.25610 4.52936 28.65 1485.53 1021.848 0.45 0.45 11.097 3.35930 4.65318 29.54 1487.14 1022.511 0.75 0.75 11.224 3.38131 4.66717 29.65 1487.73 1022.577 1.05 1.05 11.268 3.40034 4.68776 29.80 1488.07 1022.687 1.35 1.35 11.268 3.40318 4.69166 29.83 1488.11 1022.710 1.65 1.65 11.257 3.40573 4.69665 29.86 1488.12 1022.739 1.95 1.95 11.261 3.40846 4.69987 29.88 1488.16 1022.758 2.25 2.25 11.267 3.41321 4.70565 29.92 1488.24 1022.790 2.55 2.55 11.279 3.41930 4.71253 29.97 1488.34 1022.828 2.85 2.85 11.293 3.42018 4.71191 29.97 1488.40 1022.825 3.15 3.14 11.306 3.42274 4.71376 29.98 1488.46 1022.835 3.45 3.44 11.315 3.42557 4.71645 30.00 1488.53 1022.850 3.75 3.74 11.324 3.42761 4.71814 30.02 1488.58 1022.860 4.05 4.04 11.317 3.42917 4.72112 30.04 1488.58 1022.878 4.35 4.34 11.324 3.43051 4.72210 30.04 1488.62 1022.884 4.65 4.64 11.333 3.43272 4.72396 30.06 1488.67 1022.894 4.95 4.94 11.345 3.43509 4.72565 30.07 1488.74 1022.904 5.25 5.24 11.355 3.43687 4.72679 30.08 1488.79 1022.910 5.55 5.54 11.358 3.43871 4.72897 30.10 1488.82 1022.923 5.85 5.84 11.362 3.44325 4.73468 30.14 1488.89 1022.955 6.15 6.14 11.362 3.44685 4.73965 30.17 1488.93 1022.984 6.45 6.44 11.372 3.45012 4.74288 30.20 1489.00 1023.002 6.75 6.74 11.402 3.45375 4.74388 30.21 1489.13 1023.006 7.05 7.04 11.427 3.45845 4.74706 30.23 1489.25 1023.022 7.35 7.34 11.488 3.46529 4.74857 30.25 1489.49 1023.026 7.65 7.64 11.526 3.46930 4.74908 30.25 1489.64 1023.026 7.95 7.94 11.553 3.47409 4.75214 30.28 1489.76 1023.042 8.25 8.23 11.555 3.48019 4.76024 30.34 1489.84 1023.087 8.55 8.53 11.556 3.47982 4.75958 30.33 1489.85 1023.085 8.85 8.83 11.552 3.47871 4.75858 30.32 1489.83 1023.081 9.15 9.13 11.517 3.47880 4.76327 30.35 1489.75 1023.111 9.45 9.43 11.481 3.47753 4.76622 30.37 1489.65 1023.132 9.75 9.73 11.459 3.47396 4.76421 30.35 1489.55 1023.125 10.05 10.03 11.431 3.48020 4.77642 30.44 1489.56 1023.196 10.35 10.33 11.397 3.49693 4.80389 30.63 1489.67 1023.351 10.65 10.63 11.393 3.49758 4.80527 30.64 1489.68 1023.360 10.95 10.93 11.371 3.49372 4.80293 30.62 1489.58 1023.351 11.25 11.23 11.347 3.48972 4.80056 30.60 1489.48 1023.341 11.55 11.53 11.324 3.48769 4.80083 30.60 1489.40 1023.346 11.85 11.83 11.310 3.48952 4.80512 30.63 1489.39 1023.372 12.15 12.13 11.308 3.48997 4.80611 30.63 1489.40 1023.379 12.45 12.43 11.309 3.49201 4.80880 30.65 1489.43 1023.395 12.75 12.72 11.311 3.49439 4.81173 30.67 1489.47 1023.412 13.05 13.02 11.312 3.49460 4.81194 30.67 1489.48 1023.415 13.35 13.32 11.313 3.49480 4.81202 30.67 1489.49 1023.416 13.65 13.62 11.316 3.49488 4.81182 30.67 1489.50 1023.416 13.95 13.92 11.314 3.49486 4.81201 30.67 1489.50 1023.419 14.25 14.22 11.307 3.49468 4.81266 30.68 1489.48 1023.424 14.55 14.52 11.302 3.49458 4.81325 30.68 1489.47 1023.429 14.85 14.82 11.302 3.49565 4.81464 30.69 1489.49 1023.438 15.15 15.12 11.311 3.49758 4.81610 30.70 1489.54 1023.446 15.45 15.42 11.317 3.49903 4.81728 30.71 1489.58 1023.454 15.75 15.72 11.314 3.49768 4.81595 30.70 1489.56 1023.448 16.05 16.02 11.310 3.49900 4.81829 30.72 1489.57 1023.462 16.35 16.32 11.315 3.49920 4.81778 30.71 1489.59 1023.460 16.65 16.62 11.316 3.49931 4.81784 30.72 1489.60 1023.462 16.95 16.91 11.314 3.49935 4.81814 30.72 1489.60 1023.465 17.25 17.21 11.315 3.49923 4.81783 30.71 1489.61 1023.464 17.55 17.51 11.317 3.49938 4.81777 30.71 1489.62 1023.465 17.85 17.81 11.316 3.49920 4.81765 30.71 1489.62 1023.466 18.15 18.11 11.316 3.49930 4.81783 30.71 1489.62 1023.468 18.45 18.41 11.312 3.49906 4.81809 30.72 1489.61 1023.471 18.75 18.71 11.308 3.49884 4.81822 30.72 1489.61 1023.474 19.05 19.01 11.313 3.49908 4.81790 30.71 1489.63 1023.472 19.35 19.31 11.312 3.49888 4.81784 30.71 1489.63 1023.474 19.65 19.61 11.308 3.49877 4.81814 30.72 1489.62 1023.477 19.95 19.91 11.305 3.49906 4.81892 30.72 1489.62 1023.483 20.25 20.21 11.309 3.49924 4.81873 30.72 1489.64 1023.483 20.55 20.51 11.310 3.49911 4.81835 30.72 1489.64 1023.482 20.85 20.80 11.309 3.49908 4.81841 30.72 1489.65 1023.483 21.15 21.10 11.306 3.49868 4.81837 30.72 1489.64 1023.485 21.45 21.40 11.302 3.49910 4.81938 30.72 1489.64 1023.492 21.75 21.70 11.303 3.49927 4.81951 30.72 1489.65 1023.494 22.05 22.00 11.313 3.49959 4.81867 30.72 1489.68 1023.489 22.35 22.30 11.317 3.50030 4.81909 30.72 1489.70 1023.493 22.65 22.60 11.319 3.50068 4.81936 30.72 1489.72 1023.495 22.95 22.90 11.324 3.50179 4.82016 30.73 1489.75 1023.500 23.25 23.20 11.333 3.50289 4.82060 30.73 1489.79 1023.503 23.55 23.50 11.344 3.50650 4.82401 30.76 1489.86 1023.522 23.85 23.80 11.354 3.51030 4.82793 30.79 1489.94 1023.544 24.15 24.10 11.361 3.51255 4.83009 30.80 1489.99 1023.557 24.45 24.40 11.371 3.51451 4.83147 30.81 1490.04 1023.564 24.75 24.70 11.381 3.51598 4.83212 30.82 1490.09 1023.568 25.05 24.99 11.387 3.51670 4.83231 30.82 1490.11 1023.570 25.35 25.29 11.391 3.51680 4.83193 30.82 1490.13 1023.569 25.65 25.59 11.392 3.51773 4.83316 30.83 1490.15 1023.577 25.95 25.89 11.392 3.51811 4.83362 30.83 1490.16 1023.581 26.25 26.19 11.395 3.51802 4.83313 30.83 1490.17 1023.579 26.55 26.49 11.393 3.51757 4.83280 30.83 1490.16 1023.579 26.85 26.79 11.391 3.51770 4.83320 30.83 1490.16 1023.582 27.15 27.09 11.396 3.51781 4.83272 30.82 1490.18 1023.580 27.45 27.39 11.394 3.51744 4.83252 30.82 1490.18 1023.581 27.75 27.69 11.392 3.51745 4.83268 30.82 1490.18 1023.583 28.05 27.99 11.393 3.51757 4.83276 30.82 1490.19 1023.585 28.35 28.29 11.396 3.51755 4.83237 30.82 1490.20 1023.584 28.65 28.59 11.400 3.51823 4.83275 30.82 1490.22 1023.586 28.95 28.88 11.401 3.51907 4.83371 30.83 1490.24 1023.593 29.25 29.18 11.401 3.51974 4.83463 30.84 1490.25 1023.599 29.55 29.48 11.403 3.51933 4.83384 30.83 1490.26 1023.596 29.85 29.78 11.405 3.51957 4.83393 30.83 1490.27 1023.598 30.15 30.08 11.405 3.51940 4.83361 30.83 1490.27 1023.597 30.45 30.38 11.410 3.51953 4.83322 30.83 1490.29 1023.596 30.75 30.68 11.410 3.51944 4.83309 30.83 1490.29 1023.596 31.05 30.98 11.407 3.51916 4.83305 30.83 1490.29 1023.598 31.35 31.28 11.405 3.51933 4.83352 30.83 1490.29 1023.602 31.65 31.58 11.409 3.51979 4.83363 30.83 1490.31 1023.603 31.95 31.88 11.410 3.52025 4.83415 30.83 1490.32 1023.607 32.25 32.18 11.409 3.52006 4.83402 30.83 1490.32 1023.608 32.55 32.48 11.408 3.52041 4.83470 30.84 1490.33 1023.613 32.85 32.77 11.415 3.51983 4.83293 30.83 1490.35 1023.604 33.15 33.07 11.422 3.52074 4.83321 30.83 1490.38 1023.606 33.45 33.37 11.426 3.52291 4.83575 30.85 1490.42 1023.621 33.75 33.67 11.434 3.52536 4.83802 30.86 1490.47 1023.634 34.05 33.97 11.441 3.52723 4.83965 30.88 1490.52 1023.643 34.35 34.27 11.445 3.52834 4.84068 30.88 1490.54 1023.650 34.65 34.57 11.445 3.52906 4.84168 30.89 1490.56 1023.657 34.95 34.87 11.442 3.52877 4.84157 30.89 1490.55 1023.658 35.25 35.17 11.446 3.52960 4.84226 30.89 1490.57 1023.662 35.55 35.47 11.448 3.52973 4.84212 30.89 1490.59 1023.662 35.85 35.77 11.442 3.52921 4.84216 30.89 1490.57 1023.665 36.15 36.07 11.438 3.52946 4.84310 30.90 1490.57 1023.671 36.45 36.36 11.454 3.53091 4.84303 30.90 1490.63 1023.671 36.75 36.66 11.462 3.53227 4.84372 30.91 1490.67 1023.675 37.05 36.96 11.463 3.53294 4.84459 30.91 1490.68 1023.681 37.35 37.26 11.461 3.53292 4.84479 30.91 1490.69 1023.684 37.65 37.56 11.466 3.53386 4.84546 30.92 1490.71 1023.688 37.95 37.86 11.460 3.53340 4.84561 30.92 1490.70 1023.691 38.25 38.16 11.459 3.53360 4.84599 30.92 1490.70 1023.694 38.55 38.46 11.468 3.53552 4.84748 30.93 1490.75 1023.703 38.85 38.76 11.468 3.53561 4.84761 30.93 1490.76 1023.705 39.02 38.92 11.474 3.53665 4.84817 30.94 1490.79 1023.708