*2026/01/16 09:57:47.34 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/01/31 18:23:05.000 END TIME : UTC 2024/01/31 18:23:28.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 118 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 35.29 2 Depth metres 0.15 35.15 3 Temperature 'deg C (ITS90)' 9.352 9.876 4 Conductivity S/m 3.09703 3.36446 5 Conductance:Specific S/m 4.44012 4.89044 6 Salinity PSS-78 27.92 30.99 7 Speed:Sound m/s 1480.45 1483.36 8 Density kg/m^3 1021.452 1024.077 $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 : 26 LATITUDE : 49 50.58120 N ! (deg min) LONGITUDE : 126 54.55910 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240131_182305 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:54 118 118 MERGEHDR 1.3 2026/01/16 09:53:44 118 118 HDREDIT2 3.2 2026/01/16 09:55:00 ? ? REMOVECH 8.2 2026/01/16 09:56:13 118 118 CALIB 12.1 2026/01/16 09:56:45 118 118 CLEAN 5.3 2026/01/16 09:57:47 118 118 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:00 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 09:56:13 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:45 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 9.747 3.09980 4.46050 28.04 1480.45 1021.566 0.45 0.45 9.777 3.09741 4.45330 28.00 1480.51 1021.526 0.75 0.75 9.802 3.09768 4.45044 27.98 1480.59 1021.511 1.05 1.05 9.837 3.09745 4.44567 27.95 1480.68 1021.484 1.35 1.35 9.876 3.09703 4.44012 27.92 1480.79 1021.452 1.65 1.65 9.875 3.10826 4.45625 28.03 1480.93 1021.541 1.95 1.95 9.856 3.11698 4.47120 28.13 1480.99 1021.625 2.25 2.25 9.810 3.12310 4.48587 28.23 1480.94 1021.708 2.55 2.54 9.748 3.13936 4.51731 28.44 1480.97 1021.884 2.85 2.84 9.693 3.15968 4.55376 28.68 1481.08 1022.087 3.15 3.14 9.638 3.17175 4.57839 28.85 1481.08 1022.225 3.45 3.44 9.621 3.20387 4.62702 29.19 1481.43 1022.492 3.75 3.74 9.611 3.23537 4.67390 29.51 1481.80 1022.749 4.05 4.04 9.588 3.25347 4.70321 29.71 1481.96 1022.912 4.35 4.34 9.567 3.26949 4.72917 29.89 1482.11 1023.056 4.65 4.64 9.554 3.27437 4.73800 29.95 1482.14 1023.106 4.95 4.94 9.547 3.28125 4.74903 30.03 1482.21 1023.168 5.25 5.24 9.544 3.28447 4.75398 30.06 1482.25 1023.197 5.55 5.53 9.540 3.28764 4.75913 30.10 1482.28 1023.227 5.85 5.83 9.531 3.29135 4.76577 30.14 1482.31 1023.265 6.15 6.13 9.521 3.29392 4.77085 30.18 1482.32 1023.294 6.45 6.43 9.517 3.29481 4.77280 30.19 1482.32 1023.306 6.75 6.73 9.512 3.29504 4.77375 30.20 1482.32 1023.313 7.05 7.03 9.508 3.29615 4.77592 30.21 1482.32 1023.327 7.35 7.33 9.505 3.29679 4.77729 30.22 1482.33 1023.336 7.65 7.63 9.502 3.29731 4.77842 30.23 1482.33 1023.343 7.95 7.92 9.500 3.29850 4.78041 30.24 1482.35 1023.355 8.25 8.22 9.503 3.29908 4.78089 30.25 1482.37 1023.359 8.55 8.52 9.502 3.29950 4.78160 30.25 1482.37 1023.364 8.85 8.82 9.500 3.29996 4.78259 30.26 1482.38 1023.371 9.15 9.12 9.495 3.30037 4.78378 30.26 1482.38 1023.379 9.45 9.42 9.495 3.30135 4.78529 30.28 1482.39 1023.389 9.75 9.72 9.500 3.30203 4.78561 30.28 1482.42 1023.391 10.05 10.02 9.498 3.30251 4.78658 30.28 1482.42 1023.398 10.35 10.32 9.493 3.30317 4.78822 30.30 1482.42 1023.409 10.65 10.61 9.492 3.30416 4.78979 30.31 1482.44 1023.419 10.95 10.91 9.493 3.30533 4.79125 30.32 1482.46 1023.428 11.25 11.21 9.494 3.30563 4.79157 30.32 1482.47 1023.431 11.55 11.51 9.492 3.30552 4.79170 30.32 1482.47 1023.433 11.85 11.81 9.488 3.30584 4.79269 30.33 1482.47 1023.440 12.15 12.11 9.487 3.30664 4.79401 30.33 1482.48 1023.448 12.45 12.41 9.486 3.30681 4.79445 30.34 1482.48 1023.452 12.75 12.71 9.486 3.30758 4.79548 30.34 1482.50 1023.459 13.05 13.00 9.488 3.30794 4.79572 30.35 1482.51 1023.461 13.35 13.30 9.489 3.30776 4.79538 30.34 1482.52 1023.461 13.65 13.60 9.488 3.30823 4.79615 30.35 1482.53 1023.466 13.95 13.90 9.491 3.30884 4.79662 30.35 1482.55 1023.470 14.25 14.20 9.493 3.30910 4.79682 30.35 1482.56 1023.472 14.55 14.50 9.494 3.30917 4.79678 30.35 1482.57 1023.473 14.85 14.80 9.495 3.30954 4.79709 30.36 1482.58 1023.476 15.15 15.10 9.496 3.31037 4.79813 30.36 1482.60 1023.483 15.45 15.39 9.498 3.31049 4.79810 30.36 1482.61 1023.484 15.75 15.69 9.498 3.31080 4.79858 30.37 1482.62 1023.488 16.05 15.99 9.498 3.31133 4.79937 30.37 1482.63 1023.494 16.35 16.29 9.497 3.31183 4.80011 30.38 1482.64 1023.499 16.65 16.59 9.496 3.31217 4.80086 30.38 1482.64 1023.504 16.95 16.89 9.492 3.31279 4.80225 30.39 1482.64 1023.513 17.25 17.19 9.488 3.31335 4.80361 30.40 1482.65 1023.522 17.55 17.49 9.482 3.31341 4.80450 30.40 1482.64 1023.529 17.85 17.78 9.479 3.31404 4.80590 30.41 1482.64 1023.538 18.15 18.08 9.475 3.31416 4.80664 30.42 1482.64 1023.544 18.45 18.38 9.471 3.31578 4.80946 30.44 1482.65 1023.560 18.75 18.68 9.469 3.31673 4.81119 30.45 1482.66 1023.571 19.05 18.98 9.464 3.31946 4.81578 30.48 1482.69 1023.598 19.35 19.28 9.462 3.32041 4.81747 30.49 1482.70 1023.609 19.65 19.58 9.460 3.32116 4.81892 30.50 1482.71 1023.618 19.95 19.88 9.459 3.32208 4.82036 30.51 1482.72 1023.627 20.25 20.17 9.459 3.32292 4.82157 30.52 1482.74 1023.635 20.55 20.47 9.458 3.32407 4.82338 30.53 1482.75 1023.646 20.85 20.77 9.451 3.32477 4.82534 30.55 1482.75 1023.659 21.15 21.07 9.448 3.32618 4.82776 30.56 1482.76 1023.673 21.45 21.37 9.446 3.32668 4.82881 30.57 1482.77 1023.680 21.75 21.67 9.449 3.32803 4.83043 30.58 1482.80 1023.690 22.05 21.97 9.445 3.32895 4.83229 30.59 1482.80 1023.702 22.35 22.27 9.445 3.32988 4.83365 30.60 1482.82 1023.711 22.65 22.56 9.452 3.33059 4.83365 30.60 1482.85 1023.712 22.95 22.86 9.452 3.33112 4.83439 30.61 1482.86 1023.717 23.25 23.16 9.450 3.33116 4.83479 30.61 1482.86 1023.721 23.55 23.46 9.456 3.33207 4.83533 30.62 1482.89 1023.725 23.85 23.76 9.457 3.33371 4.83743 30.63 1482.92 1023.737 24.15 24.06 9.463 3.33478 4.83823 30.64 1482.95 1023.743 24.45 24.36 9.461 3.33444 4.83797 30.63 1482.95 1023.743 24.75 24.66 9.456 3.33432 4.83847 30.64 1482.94 1023.747 25.05 24.95 9.452 3.33374 4.83818 30.63 1482.93 1023.747 25.35 25.25 9.451 3.33370 4.83834 30.63 1482.93 1023.749 25.65 25.55 9.446 3.33371 4.83897 30.64 1482.92 1023.754 25.95 25.85 9.434 3.33422 4.84139 30.65 1482.90 1023.769 26.25 26.15 9.423 3.33417 4.84297 30.66 1482.87 1023.780 26.55 26.45 9.410 3.33469 4.84547 30.68 1482.85 1023.795 26.85 26.75 9.403 3.33434 4.84602 30.68 1482.83 1023.800 27.15 27.05 9.397 3.33431 4.84674 30.69 1482.82 1023.805 27.45 27.34 9.393 3.33537 4.84888 30.70 1482.83 1023.819 27.75 27.64 9.389 3.33603 4.85037 30.71 1482.83 1023.828 28.05 27.94 9.384 3.33585 4.85090 30.71 1482.82 1023.833 28.35 28.24 9.374 3.33709 4.85411 30.73 1482.82 1023.852 28.65 28.54 9.370 3.33734 4.85501 30.74 1482.81 1023.859 28.95 28.84 9.367 3.33785 4.85612 30.75 1482.82 1023.866 29.25 29.14 9.366 3.33822 4.85690 30.75 1482.82 1023.872 29.55 29.43 9.365 3.33981 4.85938 30.77 1482.84 1023.887 29.85 29.73 9.360 3.34084 4.86153 30.78 1482.85 1023.900 30.15 30.03 9.355 3.34321 4.86571 30.81 1482.87 1023.924 30.45 30.33 9.352 3.34476 4.86840 30.83 1482.89 1023.941 30.75 30.63 9.352 3.34607 4.87032 30.84 1482.91 1023.952 31.05 30.93 9.357 3.34889 4.87369 30.87 1482.96 1023.972 31.35 31.23 9.369 3.35438 4.87995 30.91 1483.07 1024.007 31.65 31.53 9.375 3.35541 4.88067 30.92 1483.10 1024.012 31.95 31.82 9.379 3.35571 4.88040 30.92 1483.12 1024.011 32.25 32.12 9.380 3.35640 4.88129 30.92 1483.14 1024.017 32.55 32.42 9.381 3.35672 4.88159 30.93 1483.15 1024.020 32.85 32.72 9.382 3.35712 4.88208 30.93 1483.16 1024.024 33.15 33.02 9.384 3.35746 4.88235 30.93 1483.17 1024.027 33.45 33.32 9.383 3.35741 4.88235 30.93 1483.17 1024.028 33.75 33.62 9.384 3.35695 4.88160 30.93 1483.17 1024.025 34.05 33.91 9.383 3.36093 4.88752 30.97 1483.23 1024.059 34.35 34.21 9.383 3.36274 4.89013 30.99 1483.25 1024.075 34.65 34.51 9.389 3.36357 4.89044 30.99 1483.29 1024.077 34.95 34.81 9.396 3.36417 4.89030 30.99 1483.32 1024.077 35.29 35.15 9.409 3.36446 4.88893 30.98 1483.36 1024.071