*2026/01/16 10:37:58.03 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/07/22 16:00:22.000 END TIME : UTC 2025/07/22 16:00:50.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 143 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 42.77 2 Depth metres 0.15 42.55 3 Temperature 'deg C (ITS90)' 9.121 16.119 4 Conductivity S/m 3.45362 3.90295 5 Conductance:Specific S/m 4.72111 5.06233 6 Salinity PSS-78 30.41 32.16 7 Speed:Sound m/s 1483.81 1505.01 8 Density kg/m^3 1022.207 1025.068 $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 : 222 LATITUDE : 49 52.01760 N ! (deg min) LONGITUDE : 126 49.02910 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20250722_160022 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 10:33:34 143 143 MERGEHDR 1.3 2026/01/16 10:35:48 143 143 HDREDIT2 3.2 2026/01/16 10:36:19 ? ? REMOVECH 8.2 2026/01/16 10:36:51 143 143 CALIB 12.1 2026/01/16 10:37:22 143 143 CLEAN 5.3 2026/01/16 10:37:58 143 143 $END $REMARKS -HEADER EDITS: 2026/01/16 10:36:19 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 10:36:51 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 10:37:22 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 16.119 3.88635 4.72574 30.45 1504.92 1022.229 0.45 0.45 16.106 3.88133 4.72111 30.42 1504.85 1022.207 0.75 0.75 16.105 3.88243 4.72253 30.43 1504.86 1022.217 1.05 1.05 16.087 3.89161 4.73580 30.52 1504.92 1022.294 1.35 1.35 16.074 3.89753 4.74449 30.59 1504.95 1022.345 1.65 1.65 16.061 3.90168 4.75103 30.63 1504.97 1022.385 1.95 1.94 16.055 3.90295 4.75337 30.65 1504.97 1022.400 2.25 2.24 16.069 3.90164 4.75013 30.63 1505.00 1022.381 2.55 2.54 16.076 3.90080 4.74824 30.61 1505.01 1022.371 2.85 2.84 16.068 3.90183 4.75040 30.63 1505.01 1022.385 3.15 3.14 16.059 3.89959 4.74881 30.62 1504.97 1022.380 3.45 3.44 16.044 3.89952 4.75041 30.63 1504.94 1022.392 3.75 3.74 16.017 3.89930 4.75327 30.64 1504.88 1022.414 4.05 4.04 15.982 3.89642 4.75386 30.65 1504.78 1022.425 4.35 4.34 15.900 3.89237 4.75842 30.67 1504.56 1022.465 4.65 4.64 15.706 3.89049 4.77874 30.81 1504.11 1022.612 4.95 4.94 15.182 3.87648 4.82369 31.10 1502.79 1022.948 5.25 5.23 14.775 3.81390 4.79434 30.86 1501.22 1022.852 5.55 5.53 14.620 3.78960 4.78246 30.76 1500.61 1022.812 5.85 5.83 14.391 3.73100 4.73583 30.41 1499.47 1022.591 6.15 6.13 13.853 3.72266 4.79075 30.76 1498.12 1022.972 6.45 6.43 13.440 3.72013 4.83882 31.07 1497.12 1023.294 6.75 6.73 13.107 3.68891 4.84017 31.05 1495.99 1023.346 7.05 7.03 12.709 3.66389 4.85812 31.14 1494.76 1023.495 7.35 7.33 12.278 3.63985 4.88197 31.27 1493.45 1023.678 7.65 7.62 11.865 3.59291 4.87302 31.17 1491.91 1023.674 7.95 7.92 11.416 3.58001 4.91538 31.42 1490.65 1023.953 8.25 8.22 11.100 3.56424 4.93668 31.54 1489.69 1024.100 8.55 8.52 10.909 3.54350 4.93394 31.50 1488.97 1024.103 8.85 8.82 10.711 3.53697 4.95215 31.60 1488.40 1024.221 9.15 9.12 10.497 3.53027 4.97263 31.72 1487.78 1024.351 9.45 9.42 10.358 3.51596 4.97195 31.70 1487.26 1024.359 9.75 9.72 10.254 3.50955 4.97748 31.72 1486.93 1024.398 10.05 10.01 10.169 3.50687 4.98581 31.77 1486.68 1024.451 10.35 10.31 10.108 3.50543 4.99232 31.81 1486.51 1024.493 10.65 10.61 10.056 3.50386 4.99747 31.84 1486.37 1024.526 10.95 10.91 10.026 3.50339 5.00111 31.86 1486.29 1024.549 11.25 11.21 9.997 3.49953 4.99977 31.85 1486.17 1024.545 11.55 11.51 9.954 3.49704 5.00228 31.86 1486.04 1024.562 11.85 11.80 9.925 3.49588 5.00489 31.88 1485.95 1024.580 12.15 12.10 9.896 3.49462 5.00721 31.89 1485.87 1024.596 12.45 12.40 9.870 3.49340 5.00920 31.90 1485.79 1024.610 12.75 12.70 9.854 3.49265 5.01043 31.91 1485.74 1024.619 13.05 13.00 9.837 3.49087 5.01026 31.90 1485.69 1024.620 13.35 13.30 9.814 3.49055 5.01308 31.92 1485.63 1024.638 13.65 13.60 9.787 3.49163 5.01859 31.95 1485.58 1024.672 13.95 13.89 9.760 3.48989 5.01995 31.96 1485.49 1024.682 14.25 14.19 9.738 3.48675 5.01868 31.95 1485.40 1024.677 14.55 14.49 9.730 3.48398 5.01581 31.93 1485.35 1024.663 14.85 14.79 9.712 3.48163 5.01496 31.92 1485.28 1024.661 15.15 15.09 9.675 3.47908 5.01675 31.93 1485.16 1024.674 15.45 15.39 9.639 3.47802 5.02043 31.95 1485.06 1024.698 15.75 15.68 9.620 3.47715 5.02193 31.95 1485.00 1024.708 16.05 15.98 9.606 3.47618 5.02246 31.96 1484.96 1024.713 16.35 16.28 9.597 3.47410 5.02082 31.94 1484.91 1024.706 16.65 16.58 9.584 3.47378 5.02229 31.95 1484.88 1024.716 16.95 16.88 9.575 3.47379 5.02354 31.96 1484.86 1024.725 17.25 17.18 9.565 3.47420 5.02567 31.97 1484.85 1024.738 17.55 17.47 9.563 3.47406 5.02570 31.97 1484.84 1024.740 17.85 17.77 9.559 3.47430 5.02660 31.98 1484.84 1024.746 18.15 18.07 9.544 3.47381 5.02811 31.99 1484.80 1024.757 18.45 18.37 9.529 3.47451 5.03123 32.01 1484.78 1024.776 18.75 18.67 9.514 3.47121 5.02875 31.99 1484.70 1024.764 19.05 18.97 9.484 3.47144 5.03343 32.02 1484.63 1024.793 19.35 19.27 9.453 3.46980 5.03556 32.03 1484.54 1024.808 19.65 19.56 9.436 3.46566 5.03204 32.00 1484.45 1024.790 19.95 19.86 9.411 3.46088 5.02874 31.97 1484.33 1024.775 20.25 20.16 9.364 3.45932 5.03335 32.00 1484.19 1024.804 20.55 20.46 9.334 3.45870 5.03681 32.02 1484.11 1024.826 20.85 20.76 9.326 3.45867 5.03794 32.02 1484.09 1024.833 21.15 21.06 9.329 3.45982 5.03917 32.03 1484.12 1024.841 21.45 21.35 9.326 3.46077 5.04107 32.05 1484.13 1024.853 21.75 21.65 9.326 3.46068 5.04097 32.05 1484.13 1024.854 22.05 21.95 9.324 3.46072 5.04119 32.05 1484.13 1024.857 22.35 22.25 9.319 3.46074 5.04199 32.05 1484.13 1024.862 22.65 22.55 9.319 3.46075 5.04202 32.05 1484.13 1024.864 22.95 22.85 9.312 3.46024 5.04226 32.05 1484.11 1024.867 23.25 23.14 9.306 3.45878 5.04106 32.04 1484.08 1024.862 23.55 23.44 9.302 3.45849 5.04126 32.04 1484.07 1024.864 23.85 23.74 9.295 3.45871 5.04262 32.05 1484.06 1024.873 24.15 24.04 9.287 3.45910 5.04436 32.06 1484.05 1024.885 24.45 24.34 9.283 3.45861 5.04416 32.06 1484.04 1024.885 24.75 24.64 9.281 3.45937 5.04555 32.07 1484.05 1024.894 25.05 24.93 9.279 3.45900 5.04532 32.07 1484.04 1024.894 25.35 25.23 9.278 3.45858 5.04497 32.07 1484.04 1024.894 25.65 25.53 9.274 3.45823 5.04501 32.06 1484.03 1024.895 25.95 25.83 9.268 3.45791 5.04543 32.07 1484.01 1024.899 26.25 26.13 9.267 3.45787 5.04542 32.07 1484.02 1024.900 26.55 26.43 9.265 3.45811 5.04619 32.07 1484.02 1024.906 26.85 26.72 9.262 3.45739 5.04549 32.07 1484.01 1024.903 27.15 27.02 9.259 3.45789 5.04672 32.07 1484.01 1024.912 27.45 27.32 9.257 3.45781 5.04687 32.07 1484.01 1024.914 27.75 27.62 9.256 3.45705 5.04594 32.07 1484.00 1024.910 28.05 27.92 9.257 3.45763 5.04659 32.07 1484.02 1024.915 28.35 28.22 9.255 3.45813 5.04768 32.08 1484.02 1024.922 28.65 28.51 9.251 3.45794 5.04800 32.08 1484.01 1024.925 28.95 28.81 9.248 3.45799 5.04853 32.08 1484.01 1024.930 29.25 29.11 9.246 3.45826 5.04914 32.09 1484.01 1024.934 29.55 29.41 9.246 3.45857 5.04966 32.09 1484.02 1024.939 29.85 29.71 9.246 3.45778 5.04840 32.08 1484.02 1024.933 30.15 30.01 9.243 3.45821 5.04952 32.09 1484.02 1024.941 30.45 30.30 9.239 3.45742 5.04901 32.09 1484.00 1024.939 30.75 30.60 9.234 3.45747 5.04972 32.09 1484.00 1024.945 31.05 30.90 9.229 3.45629 5.04881 32.08 1483.97 1024.941 31.35 31.20 9.222 3.45728 5.05132 32.10 1483.97 1024.956 31.65 31.50 9.217 3.45694 5.05145 32.10 1483.96 1024.959 31.95 31.80 9.214 3.45729 5.05247 32.11 1483.96 1024.966 32.25 32.09 9.211 3.45664 5.05190 32.10 1483.95 1024.964 32.55 32.39 9.209 3.45638 5.05182 32.10 1483.95 1024.965 32.85 32.69 9.204 3.45615 5.05221 32.10 1483.94 1024.969 33.15 32.99 9.200 3.45684 5.05390 32.11 1483.94 1024.979 33.45 33.29 9.195 3.45616 5.05354 32.11 1483.92 1024.979 33.75 33.59 9.192 3.45631 5.05421 32.11 1483.92 1024.984 34.05 33.89 9.188 3.45626 5.05474 32.12 1483.92 1024.988 34.35 34.18 9.185 3.45585 5.05459 32.12 1483.91 1024.989 34.65 34.48 9.180 3.45543 5.05474 32.12 1483.89 1024.991 34.95 34.78 9.175 3.45491 5.05480 32.12 1483.88 1024.993 35.25 35.08 9.170 3.45500 5.05563 32.12 1483.87 1024.999 35.55 35.38 9.165 3.45484 5.05614 32.12 1483.86 1025.003 35.85 35.68 9.159 3.45429 5.05620 32.12 1483.84 1025.005 36.15 35.97 9.153 3.45471 5.05768 32.13 1483.84 1025.015 36.45 36.27 9.148 3.45485 5.05859 32.14 1483.83 1025.021 36.75 36.57 9.145 3.45469 5.05880 32.14 1483.83 1025.024 37.05 36.87 9.141 3.45477 5.05954 32.14 1483.82 1025.030 37.35 37.17 9.139 3.45362 5.05818 32.13 1483.81 1025.023 37.65 37.47 9.137 3.45447 5.05974 32.14 1483.82 1025.033 37.95 37.76 9.134 3.45404 5.05948 32.14 1483.81 1025.033 38.25 38.06 9.135 3.45372 5.05896 32.14 1483.81 1025.032 38.55 38.36 9.136 3.45439 5.05974 32.14 1483.83 1025.037 38.85 38.66 9.134 3.45387 5.05921 32.14 1483.82 1025.036 39.15 38.96 9.133 3.45472 5.06063 32.15 1483.83 1025.045 39.45 39.26 9.133 3.45498 5.06107 32.15 1483.84 1025.048 39.75 39.55 9.131 3.45430 5.06041 32.15 1483.83 1025.046 40.05 39.85 9.131 3.45501 5.06144 32.15 1483.85 1025.053 40.35 40.15 9.128 3.45376 5.06004 32.14 1483.83 1025.047 40.65 40.45 9.126 3.45425 5.06104 32.15 1483.83 1025.054 40.95 40.75 9.129 3.45469 5.06125 32.15 1483.85 1025.056 41.25 41.05 9.133 3.45466 5.06055 32.15 1483.87 1025.053 41.55 41.34 9.139 3.45468 5.05977 32.14 1483.89 1025.050 41.85 41.64 9.133 3.45538 5.06161 32.15 1483.89 1025.061 42.15 41.94 9.126 3.45388 5.06050 32.15 1483.85 1025.057 42.45 42.24 9.121 3.45466 5.06233 32.16 1483.86 1025.068 42.77 42.55 9.123 3.45463 5.06196 32.16 1483.87 1025.068