*2026/01/16 10:37:54.91 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/05/28 21:32:06.000 END TIME : UTC 2025/05/28 21:32:28.200 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 112 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 33.52 2 Depth metres 0.15 33.39 3 Temperature 'deg C (ITS90)' 10.838 13.079 4 Conductivity S/m 3.17501 3.53169 5 Conductance:Specific S/m 4.17039 4.90381 6 Salinity PSS-78 26.33 31.26 7 Speed:Sound m/s 1488.84 1491.04 8 Density kg/m^3 1019.674 1024.046 $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 : 2025-087 AGENCY : Pacific Biological Station COUNTRY : Canada PROJECT : PSSI SCIENTIST : Deeg C. PLATFORM : Other Vessel *LOCATION GEOGRAPHIC AREA : West Coast Vancouver Island EVENT NUMBER : 167 LATITUDE : 49 50.61730 N ! (deg min) LONGITUDE : 126 56.13370 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20250528_213206 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 10:33:31 112 112 MERGEHDR 1.3 2026/01/16 10:35:45 112 112 HDREDIT2 3.2 2026/01/16 10:36:16 ? ? REMOVECH 8.2 2026/01/16 10:36:43 112 112 CALIB 12.1 2026/01/16 10:37:18 112 112 CLEAN 5.3 2026/01/16 10:37:54 112 112 $END $REMARKS -HEADER EDITS: 2026/01/16 10:36:16 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 10:36:43 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 10:37:18 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 10:37:42 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 13.003 3.20970 4.22290 26.69 1490.38 1019.965 0.45 0.45 13.051 3.17501 4.17209 26.34 1490.13 1019.686 0.75 0.75 13.079 3.17606 4.17039 26.33 1490.22 1019.674 1.05 1.05 13.068 3.23563 4.24986 26.88 1490.84 1020.106 1.35 1.35 12.854 3.28092 4.33364 27.45 1490.79 1020.587 1.65 1.65 12.608 3.33941 4.43979 28.18 1490.81 1021.194 1.95 1.95 12.528 3.36961 4.48946 28.52 1490.95 1021.475 2.25 2.25 12.476 3.38901 4.52156 28.74 1491.04 1021.657 2.55 2.55 12.335 3.40240 4.55653 28.97 1490.84 1021.866 2.85 2.85 12.193 3.41576 4.59199 29.21 1490.63 1022.076 3.15 3.15 12.084 3.43490 4.63124 29.48 1490.58 1022.304 3.45 3.44 11.998 3.45053 4.66316 29.70 1490.54 1022.489 3.75 3.74 11.927 3.46068 4.68589 29.85 1490.48 1022.623 4.05 4.04 11.817 3.48499 4.73283 30.17 1490.49 1022.893 4.35 4.34 11.724 3.51655 4.78786 30.55 1490.62 1023.206 4.65 4.64 11.661 3.52106 4.80223 30.65 1490.52 1023.292 4.95 4.94 11.610 3.52351 4.81222 30.71 1490.43 1023.353 5.25 5.24 11.564 3.52435 4.81947 30.76 1490.33 1023.399 5.55 5.54 11.545 3.52573 4.82383 30.79 1490.30 1023.426 5.85 5.84 11.532 3.52522 4.82479 30.79 1490.27 1023.434 6.15 6.13 11.516 3.52593 4.82790 30.81 1490.24 1023.454 6.45 6.43 11.504 3.52649 4.83023 30.83 1490.22 1023.469 6.75 6.73 11.493 3.52647 4.83176 30.84 1490.20 1023.480 7.05 7.03 11.481 3.52725 4.83440 30.85 1490.18 1023.497 7.35 7.33 11.467 3.52747 4.83650 30.87 1490.16 1023.511 7.65 7.63 11.458 3.52753 4.83776 30.87 1490.14 1023.520 7.95 7.93 11.451 3.52818 4.83966 30.89 1490.13 1023.532 8.25 8.23 11.444 3.52810 4.84048 30.89 1490.12 1023.539 8.55 8.52 11.437 3.52823 4.84158 30.90 1490.11 1023.547 8.85 8.82 11.430 3.52850 4.84288 30.91 1490.10 1023.556 9.15 9.12 11.421 3.52935 4.84526 30.92 1490.09 1023.571 9.45 9.42 11.408 3.52850 4.84577 30.93 1490.06 1023.576 9.75 9.72 11.399 3.52936 4.84821 30.94 1490.05 1023.592 10.05 10.02 11.390 3.52931 4.84932 30.95 1490.03 1023.600 10.35 10.32 11.382 3.52996 4.85130 30.96 1490.02 1023.613 10.65 10.62 11.377 3.52976 4.85169 30.96 1490.01 1023.617 10.95 10.91 11.372 3.53015 4.85280 30.97 1490.01 1023.625 11.25 11.21 11.363 3.53063 4.85467 30.98 1490.00 1023.637 11.55 11.51 11.356 3.53111 4.85623 30.99 1489.99 1023.648 11.85 11.81 11.354 3.53066 4.85601 30.99 1489.98 1023.648 12.15 12.11 11.350 3.53104 4.85705 31.00 1489.98 1023.655 12.45 12.41 11.346 3.53169 4.85841 31.01 1489.99 1023.664 12.75 12.71 11.347 3.53064 4.85692 31.00 1489.98 1023.657 13.05 13.01 11.342 3.53070 4.85758 31.00 1489.97 1023.663 13.35 13.30 11.334 3.53146 4.85971 31.01 1489.97 1023.677 13.65 13.60 11.325 3.53138 4.86079 31.02 1489.95 1023.685 13.95 13.90 11.318 3.53086 4.86100 31.02 1489.93 1023.688 14.25 14.20 11.310 3.53111 4.86245 31.03 1489.92 1023.698 14.55 14.50 11.305 3.53070 4.86259 31.03 1489.90 1023.700 14.85 14.80 11.304 3.53114 4.86333 31.04 1489.91 1023.706 15.15 15.10 11.300 3.53097 4.86353 31.04 1489.91 1023.708 15.45 15.40 11.294 3.53080 4.86422 31.04 1489.89 1023.714 15.75 15.69 11.286 3.53105 4.86553 31.05 1489.88 1023.723 16.05 15.99 11.281 3.53091 4.86610 31.05 1489.87 1023.728 16.35 16.29 11.271 3.53098 4.86753 31.06 1489.85 1023.738 16.65 16.59 11.260 3.53086 4.86879 31.07 1489.83 1023.747 16.95 16.89 11.254 3.53045 4.86908 31.07 1489.81 1023.751 17.25 17.19 11.246 3.53078 4.87061 31.08 1489.80 1023.761 17.55 17.49 11.238 3.53073 4.87162 31.09 1489.78 1023.769 17.85 17.78 11.231 3.52998 4.87154 31.09 1489.76 1023.770 18.15 18.08 11.224 3.53018 4.87271 31.09 1489.75 1023.778 18.45 18.38 11.220 3.52914 4.87175 31.09 1489.74 1023.775 18.75 18.68 11.213 3.52914 4.87278 31.09 1489.72 1023.782 19.05 18.98 11.210 3.52928 4.87328 31.10 1489.72 1023.787 19.35 19.28 11.209 3.52966 4.87401 31.10 1489.73 1023.792 19.65 19.58 11.204 3.53028 4.87552 31.11 1489.73 1023.802 19.95 19.88 11.200 3.53000 4.87573 31.11 1489.72 1023.805 20.25 20.17 11.199 3.53003 4.87592 31.11 1489.72 1023.807 20.55 20.47 11.196 3.52990 4.87605 31.11 1489.72 1023.809 20.85 20.77 11.187 3.52923 4.87639 31.11 1489.69 1023.813 21.15 21.07 11.181 3.52953 4.87766 31.12 1489.68 1023.822 21.45 21.37 11.179 3.52946 4.87781 31.12 1489.68 1023.824 21.75 21.67 11.178 3.52905 4.87737 31.12 1489.68 1023.823 22.05 21.97 11.173 3.52927 4.87827 31.13 1489.68 1023.830 22.35 22.26 11.169 3.52908 4.87858 31.13 1489.67 1023.833 22.65 22.56 11.166 3.52906 4.87892 31.13 1489.67 1023.837 22.95 22.86 11.163 3.52869 4.87882 31.13 1489.66 1023.838 23.25 23.16 11.158 3.52884 4.87972 31.13 1489.65 1023.844 23.55 23.46 11.154 3.52819 4.87943 31.13 1489.64 1023.844 23.85 23.76 11.152 3.52873 4.88043 31.14 1489.65 1023.851 24.15 24.06 11.150 3.52851 4.88043 31.14 1489.64 1023.853 24.45 24.36 11.148 3.52853 4.88066 31.14 1489.64 1023.856 24.75 24.65 11.146 3.52861 4.88111 31.14 1489.64 1023.859 25.05 24.95 11.142 3.52899 4.88208 31.15 1489.64 1023.866 25.35 25.25 11.139 3.52892 4.88243 31.15 1489.64 1023.870 25.65 25.55 11.134 3.52860 4.88261 31.15 1489.63 1023.873 25.95 25.85 11.129 3.52854 4.88325 31.15 1489.62 1023.878 26.25 26.15 11.124 3.52734 4.88231 31.15 1489.60 1023.874 26.55 26.45 11.116 3.52703 4.88291 31.15 1489.58 1023.880 26.85 26.75 11.103 3.52736 4.88508 31.16 1489.56 1023.894 27.15 27.04 11.088 3.52656 4.88608 31.17 1489.51 1023.902 27.45 27.34 11.072 3.52671 4.88838 31.18 1489.48 1023.917 27.75 27.64 11.068 3.52584 4.88781 31.18 1489.46 1023.916 28.05 27.94 11.057 3.52545 4.88866 31.18 1489.44 1023.923 28.35 28.24 11.040 3.52473 4.89005 31.19 1489.39 1023.933 28.65 28.54 11.025 3.52439 4.89154 31.20 1489.35 1023.944 28.95 28.84 11.008 3.52453 4.89408 31.22 1489.32 1023.961 29.25 29.13 10.995 3.52403 4.89510 31.22 1489.28 1023.969 29.55 29.43 10.983 3.52304 4.89538 31.22 1489.25 1023.972 29.85 29.73 10.971 3.52242 4.89614 31.23 1489.21 1023.979 30.15 30.03 10.960 3.52149 4.89641 31.23 1489.18 1023.983 30.45 30.33 10.960 3.52131 4.89620 31.22 1489.18 1023.983 30.75 30.63 10.955 3.52085 4.89622 31.22 1489.17 1023.985 31.05 30.93 10.938 3.51922 4.89618 31.22 1489.11 1023.987 31.35 31.22 10.921 3.51861 4.89775 31.23 1489.06 1023.998 31.65 31.52 10.906 3.51839 4.89948 31.24 1489.03 1024.010 31.95 31.82 10.888 3.51681 4.89964 31.24 1488.97 1024.014 32.25 32.12 10.870 3.51625 4.90143 31.25 1488.92 1024.027 32.55 32.42 10.863 3.51638 4.90257 31.26 1488.91 1024.035 32.85 32.72 10.857 3.51534 4.90194 31.25 1488.89 1024.033 33.15 33.02 10.838 3.51485 4.90381 31.26 1488.84 1024.046 33.52 33.39 10.842 3.51481 4.90316 31.26 1488.86 1024.044