*2026/01/16 09:57:50.78 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/05/22 18:28:57.000 END TIME : UTC 2024/05/22 18:29:20.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 120 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 35.71 2 Depth metres 0.15 35.57 3 Temperature 'deg C (ITS90)' 9.234 14.429 4 Conductivity S/m 2.65667 3.50667 5 Conductance:Specific S/m 3.36929 5.08445 6 Salinity PSS-78 20.88 32.33 7 Speed:Sound m/s 1484.35 1492.95 8 Density kg/m^3 1015.229 1025.157 $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 : 128 LATITUDE : 48 58.98080 N ! (deg min) LONGITUDE : 124 55.86210 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20240522_182857 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 09:00:00 120 120 MERGEHDR 1.3 2026/01/16 09:53:53 120 120 HDREDIT2 3.2 2026/01/16 09:55:06 ? ? REMOVECH 8.2 2026/01/16 09:56:17 120 120 CALIB 12.1 2026/01/16 09:56:50 120 120 CLEAN 5.3 2026/01/16 09:57:50 120 120 $END $REMARKS -HEADER EDITS: 2026/01/16 09:55:06 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 09:56:17 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 09:56:50 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 14.429 2.65695 3.36929 20.88 1488.40 1015.229 0.45 0.45 14.422 2.65667 3.36954 20.88 1488.38 1015.233 0.75 0.75 14.385 2.65733 3.37355 20.91 1488.29 1015.261 1.05 1.05 14.338 2.66150 3.38283 20.97 1488.21 1015.318 1.35 1.36 14.338 2.67095 3.39490 21.05 1488.31 1015.382 1.65 1.66 14.341 2.67568 3.40059 21.09 1488.37 1015.413 1.95 1.96 14.343 2.67833 3.40384 21.11 1488.41 1015.431 2.25 2.26 14.348 2.68455 3.41129 21.16 1488.49 1015.470 2.55 2.56 14.347 2.68856 3.41646 21.20 1488.53 1015.499 2.85 2.86 14.345 2.68861 3.41667 21.20 1488.54 1015.502 3.15 3.16 14.346 2.68973 3.41805 21.21 1488.55 1015.510 3.45 3.46 14.341 2.69100 3.42007 21.22 1488.56 1015.523 3.75 3.76 14.322 2.69222 3.42331 21.24 1488.52 1015.544 4.05 4.07 14.133 2.76605 3.53418 21.99 1488.76 1016.155 4.35 4.37 13.841 3.00397 3.86703 24.27 1490.44 1017.961 4.65 4.67 13.786 3.25584 4.19716 26.56 1492.95 1019.740 4.95 4.97 13.564 3.30136 4.28036 27.13 1492.88 1020.221 5.25 5.27 13.360 3.31189 4.31686 27.37 1492.48 1020.447 5.55 5.57 13.265 3.31866 4.33647 27.50 1492.31 1020.568 5.85 5.87 13.203 3.32493 4.35171 27.60 1492.23 1020.660 6.15 6.17 13.148 3.33328 4.36890 27.72 1492.19 1020.761 6.45 6.46 12.924 3.35812 4.42739 28.11 1491.90 1021.108 6.75 6.76 12.556 3.43632 4.57494 29.12 1491.84 1021.958 7.05 7.06 12.446 3.48740 4.65652 29.69 1492.14 1022.418 7.35 7.36 12.167 3.49807 4.70585 30.01 1491.57 1022.721 7.65 7.66 11.783 3.50311 4.76182 30.37 1490.67 1023.070 7.95 7.96 11.207 3.50642 4.84223 30.88 1489.27 1023.569 8.25 8.26 11.039 3.50623 4.86452 31.02 1488.85 1023.708 8.55 8.56 10.887 3.50667 4.88571 31.15 1488.47 1023.839 8.85 8.86 10.715 3.50544 4.90758 31.29 1488.03 1023.975 9.15 9.15 10.560 3.50524 4.92868 31.42 1487.64 1024.104 9.45 9.45 10.411 3.50449 4.94833 31.54 1487.26 1024.225 9.75 9.75 10.327 3.50493 4.96065 31.61 1487.05 1024.300 10.05 10.05 10.297 3.50458 4.96438 31.64 1486.98 1024.324 10.35 10.35 10.261 3.50515 4.97030 31.67 1486.90 1024.361 10.65 10.65 10.233 3.50410 4.97277 31.69 1486.82 1024.378 10.95 10.95 10.211 3.50372 4.97531 31.70 1486.76 1024.394 11.25 11.24 10.196 3.50392 4.97777 31.72 1486.73 1024.410 11.55 11.54 10.173 3.50352 4.98038 31.73 1486.67 1024.427 11.85 11.84 10.154 3.50439 4.98439 31.76 1486.64 1024.452 12.15 12.14 10.141 3.50418 4.98583 31.77 1486.61 1024.462 12.45 12.44 10.132 3.50359 4.98634 31.77 1486.58 1024.467 12.75 12.74 10.117 3.50363 4.98845 31.78 1486.55 1024.481 13.05 13.04 10.107 3.50408 4.99063 31.80 1486.54 1024.495 13.35 13.33 10.094 3.50278 4.99058 31.80 1486.49 1024.497 13.65 13.63 10.089 3.50313 4.99183 31.80 1486.49 1024.505 13.95 13.93 10.081 3.50245 4.99198 31.80 1486.46 1024.508 14.25 14.23 10.072 3.50339 4.99454 31.82 1486.46 1024.524 14.55 14.53 10.057 3.50301 4.99621 31.83 1486.42 1024.535 14.85 14.83 10.047 3.50317 4.99778 31.84 1486.40 1024.546 15.15 15.13 10.036 3.50342 4.99975 31.85 1486.38 1024.558 15.45 15.42 10.022 3.50358 5.00194 31.87 1486.35 1024.573 15.75 15.72 10.016 3.50328 5.00241 31.87 1486.34 1024.577 16.05 16.02 10.005 3.50276 5.00329 31.87 1486.31 1024.584 16.35 16.32 9.999 3.50292 5.00431 31.88 1486.30 1024.591 16.65 16.62 9.993 3.50334 5.00575 31.89 1486.29 1024.601 16.95 16.92 9.988 3.50322 5.00632 31.89 1486.28 1024.605 17.25 17.21 9.973 3.50338 5.00874 31.91 1486.25 1024.621 17.55 17.51 9.962 3.50386 5.01092 31.92 1486.24 1024.635 17.85 17.81 9.946 3.50308 5.01211 31.93 1486.19 1024.644 18.15 18.11 9.911 3.50309 5.01720 31.96 1486.11 1024.675 18.45 18.41 9.870 3.50261 5.02231 31.99 1486.00 1024.707 18.75 18.71 9.840 3.50223 5.02620 32.01 1485.92 1024.732 19.05 19.01 9.815 3.50151 5.02876 32.03 1485.86 1024.749 19.35 19.30 9.766 3.49958 5.03312 32.05 1485.71 1024.777 19.65 19.60 9.708 3.49893 5.04046 32.10 1485.56 1024.822 19.95 19.90 9.666 3.49833 5.04584 32.13 1485.45 1024.855 20.25 20.20 9.631 3.49691 5.04879 32.14 1485.35 1024.875 20.55 20.50 9.605 3.49510 5.04998 32.15 1485.26 1024.884 20.85 20.80 9.572 3.49414 5.05344 32.17 1485.17 1024.906 21.15 21.09 9.545 3.49346 5.05633 32.18 1485.10 1024.925 21.45 21.39 9.533 3.49325 5.05790 32.19 1485.07 1024.936 21.75 21.69 9.518 3.49264 5.05913 32.20 1485.03 1024.944 22.05 21.99 9.495 3.49303 5.06310 32.23 1484.98 1024.969 22.35 22.29 9.478 3.49142 5.06320 32.22 1484.92 1024.972 22.65 22.59 9.473 3.49142 5.06398 32.23 1484.91 1024.977 22.95 22.88 9.464 3.49142 5.06527 32.24 1484.89 1024.986 23.25 23.18 9.459 3.49109 5.06559 32.24 1484.88 1024.990 23.55 23.48 9.448 3.49065 5.06651 32.24 1484.85 1024.996 23.85 23.78 9.441 3.49083 5.06784 32.25 1484.84 1025.005 24.15 24.08 9.433 3.49023 5.06816 32.25 1484.82 1025.009 24.45 24.38 9.428 3.49022 5.06894 32.26 1484.81 1025.015 24.75 24.67 9.422 3.48939 5.06861 32.25 1484.79 1025.014 25.05 24.97 9.410 3.48956 5.07059 32.26 1484.76 1025.027 25.35 25.27 9.392 3.48781 5.07066 32.26 1484.70 1025.030 25.65 25.57 9.385 3.48776 5.07165 32.27 1484.69 1025.037 25.95 25.87 9.378 3.48739 5.07209 32.27 1484.67 1025.041 26.25 26.17 9.378 3.48677 5.07129 32.26 1484.67 1025.038 26.55 26.46 9.368 3.48584 5.07137 32.26 1484.63 1025.040 26.85 26.76 9.348 3.48461 5.07252 32.27 1484.57 1025.048 27.15 27.06 9.333 3.48458 5.07461 32.28 1484.54 1025.062 27.45 27.36 9.322 3.48355 5.07485 32.28 1484.50 1025.065 27.75 27.66 9.312 3.48365 5.07636 32.29 1484.48 1025.075 28.05 27.96 9.302 3.48305 5.07701 32.29 1484.45 1025.081 28.35 28.25 9.300 3.48269 5.07688 32.29 1484.45 1025.081 28.65 28.55 9.286 3.48248 5.07862 32.30 1484.41 1025.093 28.95 28.85 9.274 3.48195 5.07954 32.31 1484.38 1025.100 29.25 29.15 9.271 3.48176 5.07977 32.31 1484.38 1025.102 29.55 29.45 9.266 3.48164 5.08035 32.31 1484.37 1025.107 29.85 29.75 9.265 3.48142 5.08008 32.31 1484.37 1025.107 30.15 30.04 9.262 3.48165 5.08099 32.32 1484.36 1025.113 30.45 30.34 9.256 3.48117 5.08105 32.31 1484.35 1025.115 30.75 30.64 9.254 3.48160 5.08199 32.32 1484.35 1025.122 31.05 30.94 9.256 3.48135 5.08141 32.32 1484.36 1025.120 31.35 31.24 9.260 3.48134 5.08077 32.31 1484.38 1025.117 31.65 31.54 9.258 3.48141 5.08118 32.32 1484.38 1025.121 31.95 31.83 9.251 3.48160 5.08247 32.32 1484.36 1025.130 32.25 32.13 9.255 3.48138 5.08151 32.32 1484.38 1025.125 32.55 32.43 9.258 3.48164 5.08157 32.32 1484.39 1025.127 32.85 32.73 9.257 3.48073 5.08028 32.31 1484.38 1025.121 33.15 33.03 9.253 3.48071 5.08090 32.31 1484.38 1025.126 33.45 33.33 9.252 3.48081 5.08116 32.31 1484.38 1025.129 33.75 33.62 9.250 3.47973 5.07986 32.30 1484.37 1025.123 34.05 33.92 9.248 3.48113 5.08219 32.32 1484.39 1025.137 34.35 34.22 9.248 3.48053 5.08131 32.31 1484.38 1025.133 34.65 34.52 9.242 3.48048 5.08211 32.32 1484.37 1025.139 34.95 34.82 9.238 3.48085 5.08326 32.33 1484.37 1025.147 35.25 35.12 9.236 3.48026 5.08275 32.32 1484.36 1025.146 35.55 35.41 9.234 3.48087 5.08396 32.33 1484.37 1025.154 35.71 35.57 9.239 3.48171 5.08445 32.33 1484.39 1025.157