*2026/01/16 09:57:50.10 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/04/26 15:32:32.000 END TIME : UTC 2024/04/26 15:32:48.200 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 82 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 24.38 2 Depth metres 0.15 24.3 3 Temperature 'deg C (ITS90)' 10.318 11.102 4 Conductivity S/m 3.20091 3.34505 5 Conductance:Specific S/m 4.43349 4.73545 6 Salinity PSS-78 28 30.02 7 Speed:Sound m/s 1484.94 1485.34 8 Density kg/m^3 1021.313 1023.125 $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 : 102 LATITUDE : 49 16.89050 N ! (deg min) LONGITUDE : 126 1.96530 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240426_153232 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:58 82 82 MERGEHDR 1.3 2026/01/16 09:53:50 82 82 HDREDIT2 3.2 2026/01/16 09:55:04 ? ? REMOVECH 8.2 2026/01/16 09:56:16 82 82 CALIB 12.1 2026/01/16 09:56:48 82 82 CLEAN 5.3 2026/01/16 09:57:50 82 82 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:04 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 09:56:16 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:48 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 11.102 3.20120 4.43349 28.00 1485.31 1021.313 0.45 0.45 11.079 3.20091 4.43596 28.01 1485.25 1021.330 0.75 0.75 11.001 3.21176 4.46070 28.18 1485.17 1021.473 1.05 1.05 10.939 3.22771 4.49049 28.38 1485.20 1021.641 1.35 1.35 10.916 3.23929 4.50957 28.51 1485.28 1021.748 1.65 1.65 10.871 3.24671 4.52548 28.62 1485.25 1021.840 1.95 1.95 10.853 3.25634 4.54125 28.73 1485.32 1021.929 2.25 2.24 10.816 3.26557 4.55881 28.84 1485.34 1022.029 2.55 2.54 10.681 3.27915 4.59505 29.08 1485.15 1022.238 2.85 2.84 10.636 3.28624 4.61081 29.19 1485.12 1022.329 3.15 3.14 10.617 3.28934 4.61765 29.24 1485.11 1022.369 3.45 3.44 10.606 3.29085 4.62118 29.26 1485.10 1022.391 3.75 3.74 10.597 3.29193 4.62388 29.28 1485.10 1022.408 4.05 4.04 10.585 3.29344 4.62754 29.30 1485.09 1022.430 4.35 4.34 10.567 3.29604 4.63351 29.34 1485.08 1022.465 4.65 4.64 10.543 3.29933 4.64132 29.39 1485.06 1022.511 4.95 4.94 10.526 3.30125 4.64618 29.42 1485.04 1022.540 5.25 5.24 10.503 3.30541 4.65509 29.48 1485.04 1022.592 5.55 5.54 10.491 3.30799 4.66029 29.52 1485.04 1022.622 5.85 5.83 10.476 3.31098 4.66651 29.56 1485.04 1022.659 6.15 6.13 10.449 3.31499 4.67566 29.62 1485.02 1022.712 6.45 6.43 10.432 3.31696 4.68080 29.66 1485.01 1022.743 6.75 6.73 10.414 3.32270 4.69119 29.73 1485.03 1022.802 7.05 7.03 10.395 3.32578 4.69808 29.77 1485.03 1022.843 7.35 7.33 10.374 3.32630 4.70155 29.80 1484.98 1022.864 7.65 7.63 10.367 3.32638 4.70264 29.80 1484.97 1022.872 7.95 7.93 10.360 3.32657 4.70380 29.81 1484.96 1022.880 8.25 8.23 10.354 3.32748 4.70600 29.82 1484.96 1022.894 8.55 8.53 10.347 3.32715 4.70644 29.83 1484.94 1022.898 8.85 8.82 10.345 3.32733 4.70689 29.83 1484.94 1022.902 9.15 9.12 10.343 3.32792 4.70807 29.84 1484.95 1022.910 9.45 9.42 10.339 3.32748 4.70789 29.83 1484.94 1022.910 9.75 9.72 10.337 3.32796 4.70893 29.84 1484.94 1022.918 10.05 10.02 10.335 3.32806 4.70928 29.84 1484.94 1022.921 10.35 10.32 10.334 3.32952 4.71155 29.86 1484.96 1022.935 10.65 10.62 10.333 3.32900 4.71083 29.85 1484.96 1022.932 10.95 10.92 10.332 3.32875 4.71064 29.85 1484.96 1022.932 11.25 11.22 10.333 3.32878 4.71063 29.85 1484.96 1022.934 11.55 11.51 10.332 3.32925 4.71135 29.86 1484.97 1022.939 11.85 11.81 10.332 3.32912 4.71120 29.86 1484.98 1022.939 12.15 12.11 10.333 3.32979 4.71206 29.86 1484.99 1022.945 12.45 12.41 10.332 3.33040 4.71301 29.87 1485.00 1022.952 12.75 12.71 10.331 3.33244 4.71609 29.89 1485.03 1022.970 13.05 13.01 10.328 3.33463 4.71954 29.91 1485.05 1022.990 13.35 13.31 10.325 3.33716 4.72349 29.94 1485.08 1023.013 13.65 13.61 10.324 3.33789 4.72474 29.95 1485.09 1023.022 13.95 13.91 10.321 3.33810 4.72531 29.95 1485.09 1023.026 14.25 14.21 10.322 3.33802 4.72511 29.95 1485.10 1023.026 14.55 14.50 10.322 3.33873 4.72610 29.96 1485.11 1023.033 14.85 14.80 10.321 3.33936 4.72711 29.97 1485.12 1023.040 15.15 15.10 10.321 3.33978 4.72777 29.97 1485.13 1023.045 15.45 15.40 10.319 3.34049 4.72897 29.98 1485.14 1023.053 15.75 15.70 10.319 3.34120 4.73004 29.99 1485.15 1023.060 16.05 16.00 10.319 3.34074 4.72936 29.98 1485.15 1023.057 16.35 16.30 10.319 3.34106 4.72978 29.98 1485.16 1023.061 16.65 16.60 10.319 3.34126 4.73015 29.99 1485.16 1023.064 16.95 16.90 10.319 3.34146 4.73041 29.99 1485.17 1023.067 17.25 17.19 10.319 3.34108 4.72990 29.98 1485.17 1023.065 17.55 17.49 10.319 3.34174 4.73083 29.99 1485.18 1023.072 17.85 17.79 10.319 3.34147 4.73042 29.99 1485.19 1023.071 18.15 18.09 10.319 3.34171 4.73075 29.99 1485.19 1023.074 18.45 18.39 10.319 3.34250 4.73190 30.00 1485.21 1023.081 18.75 18.69 10.318 3.34237 4.73176 30.00 1485.21 1023.082 19.05 18.99 10.319 3.34234 4.73164 30.00 1485.22 1023.083 19.35 19.29 10.319 3.34362 4.73344 30.01 1485.24 1023.094 19.65 19.59 10.319 3.34373 4.73361 30.01 1485.24 1023.096 19.95 19.88 10.319 3.34313 4.73271 30.00 1485.24 1023.092 20.25 20.18 10.319 3.34357 4.73340 30.01 1485.25 1023.097 20.55 20.48 10.319 3.34311 4.73275 30.00 1485.25 1023.095 20.85 20.78 10.319 3.34365 4.73352 30.01 1485.26 1023.100 21.15 21.08 10.319 3.34384 4.73377 30.01 1485.27 1023.103 21.45 21.38 10.319 3.34372 4.73360 30.01 1485.27 1023.103 21.75 21.68 10.319 3.34447 4.73460 30.02 1485.29 1023.110 22.05 21.98 10.320 3.34451 4.73456 30.01 1485.29 1023.111 22.35 22.28 10.319 3.34458 4.73476 30.02 1485.30 1023.114 22.65 22.57 10.320 3.34437 4.73440 30.01 1485.30 1023.113 22.95 22.87 10.320 3.34474 4.73495 30.02 1485.31 1023.117 23.25 23.17 10.320 3.34389 4.73365 30.01 1485.31 1023.111 23.55 23.47 10.320 3.34491 4.73520 30.02 1485.32 1023.121 23.85 23.77 10.319 3.34452 4.73468 30.01 1485.32 1023.119 24.15 24.07 10.319 3.34505 4.73545 30.02 1485.33 1023.125 24.38 24.30 10.320 3.34461 4.73479 30.02 1485.33 1023.122