*2026/01/16 09:57:47.43 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/01/31 20:28:29.000 END TIME : UTC 2024/01/31 20:28:48.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 100 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 29.88 2 Depth metres 0.15 29.76 3 Temperature 'deg C (ITS90)' 9.306 9.684 4 Conductivity S/m 2.83414 3.37581 5 Conductance:Specific S/m 4.09274 4.88844 6 Salinity PSS-78 25.49 30.99 7 Speed:Sound m/s 1476.89 1483.84 8 Density kg/m^3 1019.596 1024.036 $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 : 29 LATITUDE : 49 52.90410 N ! (deg min) LONGITUDE : 126 49.22380 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240131_202829 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:54 100 100 MERGEHDR 1.3 2026/01/16 09:53:45 100 100 HDREDIT2 3.2 2026/01/16 09:55:00 ? ? REMOVECH 8.2 2026/01/16 09:56:13 100 100 CALIB 12.1 2026/01/16 09:56:45 100 100 CLEAN 5.3 2026/01/16 09:57:47 100 100 $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 9.624 2.83414 4.09274 25.49 1476.89 1019.596 0.45 0.45 9.636 2.90221 4.18956 26.16 1477.75 1020.115 0.75 0.75 9.660 2.97155 4.28666 26.83 1478.67 1020.636 1.05 1.05 9.680 3.03120 4.37022 27.41 1479.45 1021.086 1.35 1.35 9.684 3.03800 4.37960 27.47 1479.54 1021.138 1.65 1.65 9.643 3.09315 4.46434 28.06 1480.11 1021.600 1.95 1.95 9.645 3.11795 4.49982 28.30 1480.42 1021.793 2.25 2.25 9.642 3.13153 4.51990 28.44 1480.58 1021.904 2.55 2.55 9.636 3.13829 4.53036 28.51 1480.66 1021.962 2.85 2.84 9.642 3.14437 4.53832 28.57 1480.75 1022.006 3.15 3.14 9.632 3.16045 4.56285 28.74 1480.93 1022.141 3.45 3.44 9.611 3.20641 4.63203 29.22 1481.44 1022.520 3.75 3.74 9.596 3.25608 4.70583 29.73 1482.01 1022.924 4.05 4.04 9.556 3.26614 4.72585 29.87 1482.03 1023.037 4.35 4.34 9.543 3.27003 4.73326 29.92 1482.05 1023.080 4.65 4.64 9.537 3.27060 4.73494 29.93 1482.05 1023.091 4.95 4.94 9.529 3.27142 4.73721 29.94 1482.04 1023.105 5.25 5.24 9.522 3.27545 4.74407 29.99 1482.07 1023.144 5.55 5.54 9.516 3.27818 4.74884 30.02 1482.10 1023.172 5.85 5.83 9.510 3.28000 4.75218 30.05 1482.11 1023.192 6.15 6.13 9.509 3.28174 4.75495 30.07 1482.13 1023.208 6.45 6.43 9.508 3.28288 4.75668 30.08 1482.15 1023.219 6.75 6.73 9.503 3.28413 4.75921 30.09 1482.16 1023.234 7.05 7.03 9.501 3.28493 4.76056 30.10 1482.17 1023.243 7.35 7.33 9.498 3.28558 4.76192 30.11 1482.17 1023.252 7.65 7.63 9.495 3.28671 4.76402 30.13 1482.18 1023.265 7.95 7.93 9.494 3.28757 4.76538 30.14 1482.20 1023.273 8.25 8.23 9.493 3.28800 4.76623 30.14 1482.20 1023.279 8.55 8.52 9.494 3.28967 4.76852 30.16 1482.23 1023.293 8.85 8.82 9.495 3.29006 4.76894 30.16 1482.24 1023.297 9.15 9.12 9.496 3.29058 4.76958 30.17 1482.25 1023.301 9.45 9.42 9.495 3.29103 4.77024 30.17 1482.26 1023.306 9.75 9.72 9.495 3.29562 4.77697 30.22 1482.33 1023.344 10.05 10.02 9.490 3.30148 4.78620 30.28 1482.39 1023.397 10.35 10.32 9.484 3.30300 4.78919 30.30 1482.40 1023.414 10.65 10.62 9.478 3.30403 4.79156 30.32 1482.40 1023.429 10.95 10.91 9.470 3.30692 4.79683 30.35 1482.42 1023.460 11.25 11.21 9.462 3.30967 4.80188 30.39 1482.44 1023.489 11.55 11.51 9.451 3.31352 4.80896 30.43 1482.46 1023.530 11.85 11.81 9.433 3.31607 4.81532 30.48 1482.45 1023.567 12.15 12.11 9.422 3.31737 4.81870 30.50 1482.44 1023.587 12.45 12.41 9.416 3.31928 4.82227 30.52 1482.45 1023.608 12.75 12.71 9.401 3.31968 4.82496 30.54 1482.42 1023.625 13.05 13.01 9.391 3.32008 4.82693 30.55 1482.41 1023.638 13.35 13.30 9.383 3.32104 4.82954 30.57 1482.40 1023.654 13.65 13.60 9.373 3.32187 4.83212 30.59 1482.39 1023.669 13.95 13.90 9.366 3.32217 4.83350 30.59 1482.38 1023.679 14.25 14.20 9.364 3.32268 4.83450 30.60 1482.39 1023.685 14.55 14.50 9.363 3.32337 4.83563 30.61 1482.40 1023.693 14.85 14.80 9.359 3.32415 4.83732 30.62 1482.40 1023.704 15.15 15.10 9.356 3.32447 4.83820 30.63 1482.40 1023.710 15.45 15.40 9.355 3.32519 4.83947 30.63 1482.41 1023.718 15.75 15.69 9.355 3.32622 4.84090 30.64 1482.43 1023.727 16.05 15.99 9.357 3.32714 4.84201 30.65 1482.45 1023.735 16.35 16.29 9.362 3.32800 4.84258 30.66 1482.48 1023.739 16.65 16.59 9.366 3.32956 4.84421 30.67 1482.52 1023.749 16.95 16.89 9.358 3.32954 4.84537 30.68 1482.50 1023.757 17.25 17.19 9.348 3.32862 4.84540 30.67 1482.47 1023.759 17.55 17.49 9.338 3.32831 4.84638 30.68 1482.44 1023.766 17.85 17.79 9.331 3.32753 4.84631 30.68 1482.41 1023.767 18.15 18.08 9.323 3.32743 4.84721 30.68 1482.40 1023.774 18.45 18.38 9.315 3.32685 4.84745 30.68 1482.38 1023.777 18.75 18.68 9.307 3.32653 4.84813 30.69 1482.35 1023.782 19.05 18.98 9.306 3.32817 4.85066 30.70 1482.38 1023.797 19.35 19.28 9.325 3.33211 4.85372 30.73 1482.48 1023.814 19.65 19.58 9.350 3.33586 4.85568 30.75 1482.60 1023.825 19.95 19.88 9.359 3.33630 4.85509 30.74 1482.63 1023.823 20.25 20.17 9.364 3.33813 4.85703 30.76 1482.67 1023.834 20.55 20.47 9.369 3.33947 4.85832 30.77 1482.71 1023.843 20.85 20.77 9.373 3.33914 4.85717 30.76 1482.72 1023.837 21.15 21.07 9.380 3.33999 4.85750 30.76 1482.75 1023.840 21.45 21.37 9.387 3.34229 4.85976 30.78 1482.81 1023.853 21.75 21.67 9.397 3.34382 4.86065 30.79 1482.86 1023.859 22.05 21.97 9.402 3.34626 4.86347 30.81 1482.90 1023.875 22.35 22.27 9.406 3.34828 4.86582 30.82 1482.94 1023.889 22.65 22.56 9.411 3.34911 4.86631 30.83 1482.97 1023.893 22.95 22.86 9.414 3.34954 4.86655 30.83 1482.99 1023.895 23.25 23.16 9.417 3.35012 4.86691 30.83 1483.01 1023.898 23.55 23.46 9.414 3.35062 4.86816 30.84 1483.01 1023.907 23.85 23.76 9.418 3.35243 4.87020 30.85 1483.05 1023.919 24.15 24.06 9.420 3.35335 4.87116 30.86 1483.07 1023.925 24.45 24.36 9.425 3.35446 4.87218 30.87 1483.10 1023.932 24.75 24.65 9.428 3.35502 4.87253 30.87 1483.12 1023.935 25.05 24.95 9.429 3.35493 4.87226 30.87 1483.13 1023.935 25.35 25.25 9.435 3.35549 4.87215 30.87 1483.16 1023.935 25.65 25.55 9.445 3.35717 4.87322 30.88 1483.21 1023.942 25.95 25.85 9.454 3.35738 4.87231 30.87 1483.24 1023.938 26.25 26.15 9.462 3.35896 4.87342 30.88 1483.29 1023.944 26.55 26.45 9.460 3.35972 4.87481 30.89 1483.30 1023.953 26.85 26.75 9.461 3.35908 4.87373 30.88 1483.30 1023.949 27.15 27.04 9.461 3.35757 4.87149 30.87 1483.28 1023.938 27.45 27.34 9.451 3.35747 4.87280 30.88 1483.26 1023.947 27.75 27.64 9.448 3.35891 4.87537 30.89 1483.27 1023.962 28.05 27.94 9.450 3.35946 4.87580 30.90 1483.29 1023.966 28.35 28.24 9.453 3.36109 4.87784 30.91 1483.32 1023.978 28.65 28.54 9.461 3.36521 4.88264 30.95 1483.40 1024.005 28.95 28.84 9.482 3.37039 4.88716 30.98 1483.52 1024.030 29.25 29.13 9.522 3.37519 4.88844 30.99 1483.69 1024.036 29.55 29.43 9.558 3.37581 4.88426 30.97 1483.80 1024.013 29.88 29.76 9.570 3.37576 4.88245 30.96 1483.84 1024.003