*2026/01/16 09:57:58.19 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/12/12 18:20:43.000 END TIME : UTC 2024/12/12 18:21:10.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 140 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 41.99 2 Depth metres 0.15 41.84 3 Temperature 'deg C (ITS90)' 8.911 12.318 4 Conductivity S/m 1.47728 3.67891 5 Conductance:Specific S/m 2.17817 4.95068 6 Salinity PSS-78 12.76 31.73 7 Speed:Sound m/s 1458.67 1494.2 8 Density kg/m^3 1009.774 1024.215 $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 : 348 LATITUDE : 50 7.74510 N ! (deg min) LONGITUDE : 127 16.92020 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20241212_182043 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:11 140 140 MERGEHDR 1.3 2026/01/16 09:54:16 140 140 HDREDIT2 3.2 2026/01/16 09:55:17 ? ? REMOVECH 8.2 2026/01/16 09:56:27 140 140 CALIB 12.1 2026/01/16 09:57:01 140 140 CLEAN 5.3 2026/01/16 09:57:58 140 140 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:17 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 09:56:27 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:57:01 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 8.911 1.47728 2.17817 12.76 1458.67 1009.774 0.45 0.45 9.174 1.90812 2.79174 16.74 1464.55 1012.838 0.75 0.76 9.236 2.29763 3.35553 20.46 1469.33 1015.736 1.05 1.06 9.333 2.52492 3.67707 22.63 1472.34 1017.414 1.35 1.36 9.511 2.76508 4.00610 24.89 1475.76 1019.146 1.65 1.66 9.675 2.80341 4.04236 25.15 1476.70 1019.330 1.95 1.96 9.851 2.91876 4.18748 26.16 1478.58 1020.095 2.25 2.26 9.997 3.04229 4.34645 27.28 1480.48 1020.942 2.55 2.56 10.124 3.08036 4.38495 27.56 1481.29 1021.142 2.85 2.85 10.261 3.15827 4.47837 28.22 1482.60 1021.639 3.15 3.15 10.374 3.22167 4.55372 28.76 1483.66 1022.040 3.45 3.45 10.472 3.25013 4.58129 28.96 1484.27 1022.184 3.75 3.75 10.560 3.27405 4.60353 29.13 1484.79 1022.300 4.05 4.05 10.629 3.28304 4.60724 29.16 1485.08 1022.316 4.35 4.35 10.670 3.29558 4.61958 29.25 1485.34 1022.381 4.65 4.65 10.688 3.30090 4.62472 29.29 1485.46 1022.409 4.95 4.95 10.691 3.30464 4.62946 29.33 1485.52 1022.435 5.25 5.25 10.694 3.30978 4.63638 29.37 1485.59 1022.474 5.55 5.55 10.693 3.31137 4.63864 29.39 1485.61 1022.488 5.85 5.85 10.687 3.31221 4.64059 29.40 1485.61 1022.500 6.15 6.14 10.684 3.31384 4.64326 29.42 1485.63 1022.516 6.45 6.44 10.697 3.31487 4.64308 29.42 1485.68 1022.516 6.75 6.74 10.718 3.31856 4.64552 29.44 1485.78 1022.529 7.05 7.04 10.746 3.32907 4.65658 29.52 1485.98 1022.588 7.35 7.34 10.773 3.34221 4.67144 29.63 1486.21 1022.668 7.65 7.64 10.815 3.36239 4.69409 29.79 1486.57 1022.790 7.95 7.94 10.878 3.36575 4.69049 29.77 1486.77 1022.766 8.25 8.24 10.957 3.38430 4.70607 29.89 1487.20 1022.846 8.55 8.54 11.039 3.40265 4.72079 30.00 1487.63 1022.920 8.85 8.84 11.108 3.41408 4.72757 30.06 1487.95 1022.953 9.15 9.13 11.172 3.43374 4.74647 30.20 1488.35 1023.052 9.45 9.43 11.245 3.44178 4.74788 30.22 1488.63 1023.054 9.75 9.73 11.316 3.45122 4.75159 30.25 1488.93 1023.069 10.05 10.03 11.385 3.45913 4.75347 30.27 1489.20 1023.074 10.35 10.33 11.485 3.46422 4.74749 30.24 1489.51 1023.033 10.65 10.63 11.569 3.48407 4.76365 30.36 1489.96 1023.115 10.95 10.93 11.618 3.49108 4.76690 30.39 1490.17 1023.129 11.25 11.23 11.652 3.49713 4.77075 30.42 1490.33 1023.148 11.55 11.53 11.708 3.50679 4.77664 30.47 1490.59 1023.176 11.85 11.82 11.803 3.51505 4.77553 30.47 1490.92 1023.161 12.15 12.12 11.834 3.52007 4.77835 30.49 1491.06 1023.175 12.45 12.42 11.875 3.52208 4.77572 30.48 1491.19 1023.158 12.75 12.72 11.889 3.52210 4.77398 30.47 1491.23 1023.148 13.05 13.02 11.892 3.52426 4.77642 30.48 1491.27 1023.162 13.35 13.32 11.896 3.52824 4.78140 30.52 1491.33 1023.190 13.65 13.62 11.900 3.52741 4.77968 30.51 1491.34 1023.182 13.95 13.92 11.904 3.52895 4.78123 30.52 1491.37 1023.191 14.25 14.22 11.913 3.53330 4.78594 30.55 1491.45 1023.217 14.55 14.51 11.917 3.53943 4.79372 30.61 1491.53 1023.261 14.85 14.81 11.922 3.54290 4.79778 30.64 1491.59 1023.284 15.15 15.11 11.932 3.54463 4.79886 30.64 1491.64 1023.290 15.45 15.41 11.947 3.54694 4.80000 30.65 1491.71 1023.296 15.75 15.71 11.959 3.54847 4.80050 30.66 1491.76 1023.299 16.05 16.01 11.970 3.55291 4.80515 30.69 1491.84 1023.325 16.35 16.31 11.982 3.55892 4.81170 30.74 1491.95 1023.361 16.65 16.61 11.978 3.55767 4.81049 30.73 1491.93 1023.356 16.95 16.91 11.959 3.56166 4.81839 30.79 1491.93 1023.402 17.25 17.20 11.973 3.56645 4.82310 30.82 1492.02 1023.428 17.55 17.50 11.989 3.56716 4.82194 30.81 1492.08 1023.421 17.85 17.80 11.993 3.57005 4.82536 30.84 1492.12 1023.441 18.15 18.10 12.003 3.57474 4.83034 30.87 1492.21 1023.469 18.45 18.40 12.031 3.57736 4.83018 30.88 1492.31 1023.466 18.75 18.70 12.065 3.58652 4.83809 30.93 1492.51 1023.507 19.05 19.00 12.091 3.59684 4.84867 31.01 1492.69 1023.564 19.35 19.30 12.107 3.60289 4.85478 31.06 1492.80 1023.597 19.65 19.59 12.152 3.60921 4.85741 31.08 1492.99 1023.608 19.95 19.89 12.191 3.61569 4.86091 31.11 1493.17 1023.624 20.25 20.19 12.216 3.62312 4.86766 31.16 1493.32 1023.660 20.55 20.49 12.243 3.62864 4.87164 31.19 1493.45 1023.680 20.85 20.79 12.268 3.63247 4.87343 31.21 1493.56 1023.688 21.15 21.09 12.281 3.63438 4.87436 31.21 1493.62 1023.693 21.45 21.39 12.287 3.63586 4.87547 31.22 1493.65 1023.700 21.75 21.69 12.296 3.63742 4.87642 31.23 1493.70 1023.706 22.05 21.98 12.299 3.63781 4.87650 31.23 1493.71 1023.707 22.35 22.28 12.300 3.64028 4.87970 31.25 1493.75 1023.726 22.65 22.58 12.294 3.64247 4.88348 31.28 1493.76 1023.749 22.95 22.88 12.287 3.64305 4.88514 31.29 1493.76 1023.760 23.25 23.18 12.285 3.64221 4.88422 31.28 1493.75 1023.756 23.55 23.48 12.275 3.64060 4.88339 31.28 1493.71 1023.754 23.85 23.78 12.262 3.64124 4.88598 31.29 1493.69 1023.771 24.15 24.07 12.247 3.64213 4.88913 31.31 1493.67 1023.791 24.45 24.37 12.247 3.64264 4.88980 31.32 1493.68 1023.796 24.75 24.67 12.257 3.64487 4.89153 31.33 1493.74 1023.806 25.05 24.97 12.258 3.64736 4.89477 31.35 1493.77 1023.825 25.35 25.27 12.248 3.65019 4.89990 31.39 1493.78 1023.856 25.65 25.57 12.260 3.65402 4.90342 31.42 1493.86 1023.875 25.95 25.87 12.279 3.65568 4.90313 31.42 1493.93 1023.873 26.25 26.17 12.291 3.65647 4.90262 31.41 1493.97 1023.870 26.55 26.46 12.296 3.65674 4.90228 31.41 1493.99 1023.868 26.85 26.76 12.300 3.65776 4.90315 31.42 1494.02 1023.874 27.15 27.06 12.305 3.65872 4.90384 31.42 1494.05 1023.879 27.45 27.36 12.310 3.65928 4.90389 31.42 1494.07 1023.880 27.75 27.66 12.311 3.65993 4.90463 31.43 1494.09 1023.885 28.05 27.96 12.315 3.66199 4.90687 31.45 1494.12 1023.898 28.35 28.26 12.318 3.66226 4.90686 31.45 1494.14 1023.899 28.65 28.55 12.312 3.66128 4.90625 31.44 1494.12 1023.897 28.95 28.85 12.296 3.66128 4.90838 31.45 1494.08 1023.912 29.25 29.15 12.279 3.66076 4.90994 31.46 1494.04 1023.924 29.55 29.45 12.279 3.66016 4.90921 31.46 1494.04 1023.921 29.85 29.75 12.250 3.65713 4.90896 31.45 1493.94 1023.924 30.15 30.05 12.225 3.65625 4.91103 31.46 1493.87 1023.940 30.45 30.35 12.204 3.65507 4.91223 31.47 1493.81 1023.950 30.75 30.65 12.183 3.65383 4.91328 31.48 1493.75 1023.959 31.05 30.94 12.170 3.65338 4.91445 31.48 1493.72 1023.968 31.35 31.24 12.171 3.65453 4.91580 31.49 1493.74 1023.977 31.65 31.54 12.159 3.65572 4.91907 31.51 1493.73 1023.998 31.95 31.84 12.156 3.65848 4.92319 31.54 1493.76 1024.022 32.25 32.14 12.169 3.65963 4.92296 31.54 1493.81 1024.021 32.55 32.44 12.178 3.66124 4.92398 31.55 1493.85 1024.026 32.85 32.74 12.188 3.66205 4.92367 31.55 1493.89 1024.025 33.15 33.03 12.190 3.66399 4.92599 31.57 1493.93 1024.039 33.45 33.33 12.190 3.66545 4.92797 31.58 1493.95 1024.051 33.75 33.63 12.200 3.66529 4.92652 31.57 1493.97 1024.043 34.05 33.93 12.193 3.66662 4.92921 31.59 1493.98 1024.060 34.35 34.23 12.180 3.66830 4.93322 31.62 1493.97 1024.085 34.65 34.53 12.148 3.66449 4.93234 31.61 1493.85 1024.085 34.95 34.83 12.130 3.65889 4.92711 31.57 1493.75 1024.059 35.25 35.12 12.108 3.65423 4.92380 31.54 1493.65 1024.044 35.55 35.42 12.078 3.65298 4.92603 31.55 1493.57 1024.061 35.85 35.72 12.046 3.65358 4.93118 31.59 1493.50 1024.094 36.15 36.02 12.041 3.65264 4.93054 31.58 1493.48 1024.092 36.45 36.32 12.040 3.65267 4.93077 31.58 1493.48 1024.095 36.75 36.62 12.042 3.65565 4.93448 31.61 1493.53 1024.117 37.05 36.92 12.042 3.65747 4.93695 31.63 1493.55 1024.131 37.35 37.21 12.049 3.65884 4.93778 31.63 1493.59 1024.137 37.65 37.51 12.052 3.65861 4.93718 31.63 1493.60 1024.134 37.95 37.81 12.051 3.65958 4.93852 31.64 1493.61 1024.143 38.25 38.11 12.056 3.65997 4.93843 31.64 1493.64 1024.143 38.55 38.41 12.061 3.66023 4.93806 31.64 1493.66 1024.142 38.85 38.71 12.067 3.66083 4.93810 31.64 1493.68 1024.143 39.15 39.01 12.069 3.66186 4.93926 31.65 1493.70 1024.150 39.45 39.30 12.072 3.66254 4.93972 31.65 1493.72 1024.154 39.75 39.60 12.080 3.66276 4.93904 31.65 1493.75 1024.150 40.05 39.90 12.082 3.66419 4.94062 31.66 1493.78 1024.160 40.35 40.20 12.093 3.67019 4.94724 31.71 1493.88 1024.197 40.65 40.50 12.115 3.67488 4.95068 31.73 1493.99 1024.215 40.95 40.80 12.145 3.67687 4.94937 31.73 1494.09 1024.205 41.25 41.10 12.159 3.67891 4.95029 31.73 1494.15 1024.210 41.55 41.39 12.169 3.67881 4.94873 31.72 1494.18 1024.202 41.99 41.84 12.176 3.67844 4.94738 31.71 1494.20 1024.195