*2026/01/16 09:57:49.58 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/04/24 18:37:15.000 END TIME : UTC 2024/04/24 18:37:41.000 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 39.28 2 Depth metres 0.15 39.11 3 Temperature 'deg C (ITS90)' 9.968 12.531 4 Conductivity S/m 2.95413 3.51102 5 Conductance:Specific S/m 3.96804 5.0196 6 Salinity PSS-78 24.86 31.97 7 Speed:Sound m/s 1485.52 1490.15 8 Density kg/m^3 1018.693 1024.774 $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 : 89 LATITUDE : 48 55.23500 N ! (deg min) LONGITUDE : 125 1.47590 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240424_183715 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 08:59:57 131 131 MERGEHDR 1.3 2026/01/16 09:53:50 131 131 HDREDIT2 3.2 2026/01/16 09:55:03 ? ? REMOVECH 8.2 2026/01/16 09:56:15 131 131 CALIB 12.1 2026/01/16 09:56:48 131 131 CLEAN 5.3 2026/01/16 09:57:49 131 131 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:03 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 09:56:15 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 12.219 2.95507 3.96980 24.87 1485.52 1018.701 0.45 0.45 12.224 2.95413 3.96804 24.86 1485.53 1018.693 0.75 0.75 12.334 2.96699 3.97355 24.91 1485.98 1018.711 1.05 1.05 12.503 3.15581 4.20736 26.54 1488.51 1019.946 1.35 1.35 12.480 3.26077 4.34996 27.54 1489.61 1020.721 1.65 1.65 12.499 3.26494 4.35337 27.56 1489.71 1020.738 1.95 1.95 12.531 3.28687 4.37882 27.74 1490.04 1020.874 2.25 2.25 12.527 3.29767 4.39371 27.85 1490.15 1020.956 2.55 2.55 12.507 3.30061 4.39994 27.89 1490.14 1020.994 2.85 2.85 12.452 3.30982 4.41874 28.02 1490.10 1021.103 3.15 3.15 12.394 3.31598 4.43384 28.12 1490.03 1021.194 3.45 3.45 12.350 3.31656 4.43984 28.15 1489.93 1021.232 3.75 3.75 12.313 3.31656 4.44425 28.18 1489.84 1021.262 4.05 4.05 12.279 3.31711 4.44902 28.21 1489.76 1021.293 4.35 4.35 12.140 3.31611 4.46439 28.31 1489.40 1021.394 4.65 4.64 11.984 3.32402 4.49389 28.50 1489.09 1021.572 4.95 4.94 11.739 3.34639 4.55424 28.90 1488.72 1021.928 5.25 5.24 11.617 3.35476 4.58087 29.08 1488.51 1022.087 5.55 5.54 11.475 3.36600 4.61412 29.30 1488.28 1022.284 5.85 5.84 11.413 3.37832 4.63889 29.47 1488.26 1022.426 6.15 6.14 11.376 3.38348 4.65068 29.55 1488.23 1022.496 6.45 6.44 11.314 3.38824 4.66515 29.64 1488.14 1022.582 6.75 6.74 11.212 3.41183 4.71096 29.95 1488.15 1022.843 7.05 7.04 11.073 3.42057 4.74113 30.15 1487.91 1023.022 7.35 7.34 10.875 3.43032 4.78098 30.41 1487.52 1023.259 7.65 7.64 10.836 3.43256 4.78923 30.46 1487.45 1023.309 7.95 7.93 10.758 3.43580 4.80422 30.56 1487.29 1023.399 8.25 8.23 10.681 3.43701 4.81632 30.64 1487.12 1023.473 8.55 8.53 10.618 3.43890 4.82741 30.71 1486.98 1023.540 8.85 8.83 10.564 3.44087 4.83754 30.77 1486.87 1023.601 9.15 9.13 10.526 3.44093 4.84289 30.81 1486.78 1023.635 9.45 9.43 10.489 3.44195 4.84938 30.85 1486.70 1023.675 9.75 9.73 10.443 3.44211 4.85588 30.89 1486.59 1023.715 10.05 10.03 10.421 3.44314 4.86026 30.92 1486.55 1023.742 10.35 10.32 10.405 3.44390 4.86365 30.94 1486.52 1023.763 10.65 10.62 10.386 3.44443 4.86698 30.96 1486.49 1023.784 10.95 10.92 10.371 3.44464 4.86925 30.97 1486.46 1023.799 11.25 11.22 10.357 3.44568 4.87271 31.00 1486.44 1023.820 11.55 11.52 10.347 3.44579 4.87420 31.01 1486.42 1023.830 11.85 11.82 10.341 3.44607 4.87547 31.01 1486.41 1023.839 12.15 12.12 10.335 3.44629 4.87662 31.02 1486.40 1023.847 12.45 12.42 10.332 3.44733 4.87847 31.03 1486.41 1023.859 12.75 12.71 10.329 3.44755 4.87921 31.04 1486.41 1023.864 13.05 13.01 10.322 3.44793 4.88067 31.05 1486.40 1023.874 13.35 13.31 10.312 3.44851 4.88289 31.06 1486.39 1023.888 13.65 13.61 10.299 3.44990 4.88663 31.09 1486.38 1023.911 13.95 13.91 10.274 3.45137 4.89228 31.12 1486.33 1023.945 14.25 14.21 10.246 3.45274 4.89800 31.16 1486.29 1023.980 14.55 14.51 10.230 3.45453 4.90283 31.19 1486.27 1024.009 14.85 14.80 10.214 3.45636 4.90770 31.22 1486.26 1024.038 15.15 15.10 10.193 3.45729 4.91188 31.25 1486.22 1024.064 15.45 15.40 10.178 3.45804 4.91506 31.27 1486.19 1024.084 15.75 15.70 10.167 3.45854 4.91736 31.29 1486.18 1024.098 16.05 16.00 10.154 3.45867 4.91924 31.30 1486.15 1024.111 16.35 16.30 10.142 3.45970 4.92242 31.32 1486.14 1024.130 16.65 16.60 10.129 3.46023 4.92497 31.34 1486.12 1024.147 16.95 16.90 10.121 3.46121 4.92758 31.35 1486.11 1024.163 17.25 17.19 10.111 3.46188 4.92996 31.37 1486.10 1024.178 17.55 17.49 10.101 3.46285 4.93276 31.39 1486.09 1024.195 17.85 17.79 10.085 3.46614 4.93958 31.43 1486.09 1024.235 18.15 18.09 10.075 3.46975 4.94619 31.48 1486.12 1024.273 18.45 18.39 10.064 3.47233 4.95149 31.51 1486.12 1024.305 18.75 18.69 10.054 3.47451 4.95593 31.54 1486.13 1024.331 19.05 18.99 10.048 3.47527 4.95791 31.56 1486.13 1024.344 19.35 19.28 10.038 3.47784 4.96290 31.59 1486.14 1024.373 19.65 19.58 10.032 3.48084 4.96810 31.63 1486.17 1024.403 19.95 19.88 10.028 3.48253 4.97108 31.65 1486.18 1024.421 20.25 20.18 10.023 3.48456 4.97468 31.67 1486.20 1024.443 20.55 20.48 10.019 3.48539 4.97646 31.68 1486.20 1024.454 20.85 20.78 10.017 3.48616 4.97779 31.69 1486.21 1024.463 21.15 21.08 10.016 3.48626 4.97813 31.69 1486.21 1024.466 21.45 21.37 10.014 3.48653 4.97878 31.70 1486.22 1024.471 21.75 21.67 10.013 3.48675 4.97919 31.70 1486.22 1024.474 22.05 21.97 10.012 3.48642 4.97887 31.70 1486.22 1024.474 22.35 22.27 10.012 3.48692 4.97957 31.70 1486.23 1024.479 22.65 22.57 10.011 3.48758 4.98076 31.71 1486.24 1024.487 22.95 22.87 10.009 3.48814 4.98174 31.72 1486.25 1024.494 23.25 23.16 10.010 3.48792 4.98137 31.72 1486.25 1024.493 23.55 23.46 10.009 3.48832 4.98207 31.72 1486.26 1024.498 23.85 23.76 10.009 3.48875 4.98270 31.72 1486.27 1024.503 24.15 24.06 10.007 3.48898 4.98321 31.73 1486.27 1024.507 24.45 24.36 10.007 3.48892 4.98318 31.73 1486.28 1024.508 24.75 24.66 10.007 3.48895 4.98319 31.73 1486.28 1024.509 25.05 24.96 10.007 3.48985 4.98452 31.74 1486.30 1024.518 25.35 25.25 10.006 3.49003 4.98486 31.74 1486.30 1024.521 25.65 25.55 10.005 3.49109 4.98652 31.75 1486.32 1024.532 25.95 25.85 10.004 3.49159 4.98748 31.76 1486.32 1024.538 26.25 26.15 10.002 3.49285 4.98952 31.77 1486.34 1024.551 26.55 26.45 10.001 3.49292 4.98979 31.77 1486.34 1024.554 26.85 26.75 10.002 3.49343 4.99035 31.78 1486.36 1024.558 27.15 27.05 10.000 3.49373 4.99105 31.78 1486.36 1024.563 27.45 27.34 9.999 3.49373 4.99125 31.78 1486.36 1024.566 27.75 27.64 9.997 3.49502 4.99325 31.80 1486.38 1024.578 28.05 27.94 9.996 3.49702 4.99625 31.82 1486.41 1024.596 28.35 28.24 9.995 3.49745 4.99709 31.82 1486.41 1024.602 28.65 28.54 9.993 3.49830 4.99854 31.83 1486.42 1024.611 28.95 28.84 9.992 3.49886 4.99955 31.84 1486.43 1024.618 29.25 29.13 9.990 3.50042 5.00207 31.86 1486.45 1024.634 29.55 29.43 9.991 3.49969 5.00091 31.85 1486.45 1024.628 29.85 29.73 9.991 3.50028 5.00176 31.85 1486.46 1024.634 30.15 30.03 9.991 3.50012 5.00149 31.85 1486.46 1024.634 30.45 30.33 9.988 3.50055 5.00245 31.86 1486.47 1024.641 30.75 30.63 9.989 3.50088 5.00279 31.86 1486.48 1024.644 31.05 30.93 9.990 3.50136 5.00341 31.87 1486.49 1024.649 31.35 31.22 9.988 3.50170 5.00417 31.87 1486.49 1024.654 31.65 31.52 9.987 3.50295 5.00613 31.88 1486.51 1024.666 31.95 31.82 9.987 3.50368 5.00711 31.89 1486.53 1024.673 32.25 32.12 9.987 3.50432 5.00808 31.90 1486.54 1024.680 32.55 32.42 9.987 3.50537 5.00957 31.91 1486.56 1024.689 32.85 32.72 9.988 3.50556 5.00972 31.91 1486.57 1024.691 33.15 33.01 9.987 3.50602 5.01052 31.91 1486.57 1024.697 33.45 33.31 9.987 3.50675 5.01150 31.92 1486.59 1024.703 33.75 33.61 9.986 3.50670 5.01158 31.92 1486.59 1024.705 34.05 33.91 9.985 3.50699 5.01212 31.93 1486.60 1024.710 34.35 34.21 9.984 3.50756 5.01311 31.93 1486.60 1024.716 34.65 34.51 9.984 3.50786 5.01354 31.93 1486.61 1024.720 34.95 34.81 9.985 3.50819 5.01390 31.94 1486.62 1024.723 35.25 35.10 9.982 3.50783 5.01371 31.94 1486.62 1024.724 35.55 35.40 9.982 3.50886 5.01526 31.95 1486.63 1024.733 35.85 35.70 9.981 3.50875 5.01527 31.95 1486.63 1024.735 36.15 36.00 9.982 3.50785 5.01385 31.94 1486.63 1024.728 36.45 36.30 9.980 3.50846 5.01501 31.94 1486.64 1024.736 36.75 36.60 9.978 3.50868 5.01562 31.95 1486.64 1024.741 37.05 36.89 9.975 3.50848 5.01574 31.95 1486.64 1024.743 37.35 37.19 9.971 3.50843 5.01618 31.95 1486.63 1024.747 37.65 37.49 9.968 3.50899 5.01746 31.96 1486.63 1024.755 37.95 37.79 9.968 3.50943 5.01809 31.96 1486.64 1024.760 38.25 38.09 9.970 3.51017 5.01887 31.97 1486.66 1024.766 38.55 38.39 9.972 3.50992 5.01824 31.96 1486.67 1024.763 38.85 38.69 9.973 3.51028 5.01856 31.97 1486.68 1024.766 39.28 39.11 9.973 3.51102 5.01960 31.97 1486.70 1024.774