*2026/01/16 10:37:52.56 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/04/28 22:02:50.000 END TIME : UTC 2025/04/28 22:03:15.200 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 127 DATA DESCRIPTION : CTD FILE TYPE : ASCII NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 37.85 2 Depth metres 0.15 37.88 3 Temperature 'deg C (ITS90)' 10.162 13.522 4 Conductivity S/m 1.89881 2.87037 5 Conductance:Specific S/m 2.46455 4.06915 6 Salinity PSS-78 14.8 25.38 7 Speed:Sound m/s 1477.05 1481.22 8 Density kg/m^3 1010.72 1019.584 $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 : 113 LATITUDE : 49 7.67690 N ! (deg min) LONGITUDE : 125 43.10480 W ! (deg min) *INSTRUMENT TYPE : CTD MODEL : Castaway SERIAL NUMBER : CC2009002 SOURCE FILE : CC2009002_20250428_220250 ! custom item *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SPRD2IS 5.3.1 2026/01/16 10:33:28 127 127 MERGEHDR 1.3 2026/01/16 10:35:42 127 127 HDREDIT2 3.2 2026/01/16 10:36:13 ? ? REMOVECH 8.2 2026/01/16 10:36:40 127 127 CALIB 12.1 2026/01/16 10:37:15 127 127 CLEAN 5.3 2026/01/16 10:37:52 127 127 $END $REMARKS -HEADER EDITS: 2026/01/16 10:36:13 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 10:36:40 The following CHANNEL(S) were removed: Event_number -CALIB parameters: 2026/01/16 10:37:15 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 13.522 1.89881 2.46455 14.80 1478.21 1010.720 0.45 0.45 13.228 2.28300 2.98606 18.24 1481.22 1013.416 0.75 0.76 13.064 2.31936 3.04669 18.64 1481.12 1013.752 1.05 1.06 12.642 2.38123 3.16300 19.40 1480.55 1014.409 1.35 1.36 12.386 2.46504 3.29678 20.29 1480.70 1015.137 1.65 1.66 12.238 2.51821 3.38119 20.85 1480.85 1015.596 1.95 1.96 11.962 2.56726 3.47286 21.45 1480.59 1016.109 2.25 2.26 11.720 2.61626 3.56243 22.04 1480.43 1016.608 2.55 2.56 11.384 2.66852 3.66716 22.73 1480.05 1017.196 2.85 2.86 11.054 2.69717 3.74043 23.21 1479.44 1017.617 3.15 3.16 10.809 2.69901 3.76863 23.38 1478.76 1017.791 3.45 3.46 10.595 2.69712 3.78865 23.50 1478.13 1017.917 3.75 3.76 10.471 2.69655 3.80110 23.57 1477.77 1017.995 4.05 4.06 10.419 2.70055 3.81231 23.65 1477.67 1018.060 4.35 4.36 10.359 2.70261 3.82167 23.70 1477.52 1018.116 4.65 4.67 10.266 2.70729 3.83842 23.81 1477.31 1018.214 4.95 4.97 10.180 2.70785 3.84853 23.87 1477.07 1018.276 5.25 5.27 10.162 2.71002 3.85364 23.90 1477.05 1018.306 5.55 5.57 10.164 2.71038 3.85391 23.91 1477.07 1018.308 5.85 5.87 10.187 2.72031 3.86551 23.99 1477.25 1018.369 6.15 6.17 10.203 2.72943 3.87668 24.07 1477.41 1018.429 6.45 6.47 10.223 2.73426 3.88132 24.10 1477.53 1018.453 6.75 6.77 10.249 2.73665 3.88190 24.11 1477.64 1018.455 7.05 7.07 10.266 2.74118 3.88644 24.14 1477.75 1018.479 7.35 7.37 10.277 2.74407 3.88934 24.16 1477.82 1018.495 7.65 7.67 10.285 2.74865 3.89491 24.20 1477.90 1018.525 7.95 7.97 10.292 2.75428 3.90212 24.25 1477.99 1018.564 8.25 8.27 10.301 2.75777 3.90608 24.27 1478.06 1018.586 8.55 8.57 10.315 2.76503 3.91486 24.34 1478.19 1018.633 8.85 8.87 10.324 2.76812 3.91818 24.36 1478.26 1018.651 9.15 9.17 10.328 2.77000 3.92043 24.37 1478.29 1018.664 9.45 9.47 10.328 2.77287 3.92445 24.40 1478.33 1018.687 9.75 9.77 10.325 2.77747 3.93126 24.45 1478.38 1018.724 10.05 10.07 10.327 2.77908 3.93341 24.46 1478.41 1018.737 10.35 10.37 10.332 2.78086 3.93527 24.48 1478.45 1018.748 10.65 10.67 10.340 2.78329 3.93792 24.50 1478.51 1018.763 10.95 10.97 10.348 2.78472 3.93904 24.50 1478.55 1018.769 11.25 11.27 10.351 2.78746 3.94256 24.53 1478.60 1018.789 11.55 11.57 10.358 2.78844 3.94310 24.53 1478.64 1018.792 11.85 11.87 10.363 2.78952 3.94414 24.54 1478.67 1018.799 12.15 12.17 10.370 2.79175 3.94650 24.56 1478.72 1018.812 12.45 12.47 10.379 2.79209 3.94591 24.55 1478.75 1018.810 12.75 12.77 10.405 2.79672 3.94958 24.58 1478.89 1018.828 13.05 13.07 10.436 2.79795 3.94794 24.57 1478.99 1018.818 13.35 13.37 10.437 2.80027 3.95109 24.59 1479.03 1018.836 13.65 13.67 10.450 2.80284 3.95326 24.61 1479.10 1018.848 13.95 13.97 10.473 2.80611 3.95532 24.63 1479.21 1018.858 14.25 14.27 10.488 2.80670 3.95444 24.62 1479.26 1018.854 14.55 14.57 10.494 2.80518 3.95161 24.60 1479.27 1018.839 14.85 14.87 10.501 2.80584 3.95175 24.60 1479.30 1018.841 15.15 15.17 10.510 2.80881 3.95499 24.63 1479.36 1018.859 15.45 15.47 10.505 2.81010 3.95735 24.64 1479.37 1018.873 15.75 15.77 10.507 2.80975 3.95660 24.64 1479.37 1018.870 16.05 16.07 10.518 2.81222 3.95891 24.65 1479.44 1018.883 16.35 16.37 10.530 2.81413 3.96024 24.66 1479.50 1018.890 16.65 16.67 10.534 2.81445 3.96020 24.66 1479.52 1018.891 16.95 16.97 10.533 2.81878 3.96643 24.71 1479.57 1018.925 17.25 17.27 10.509 2.81978 3.97050 24.73 1479.52 1018.950 17.55 17.57 10.489 2.81931 3.97210 24.74 1479.46 1018.962 17.85 17.87 10.437 2.81720 3.97499 24.76 1479.29 1018.983 18.15 18.17 10.399 2.81681 3.97863 24.78 1479.19 1019.007 18.45 18.47 10.386 2.81808 3.98195 24.80 1479.17 1019.027 18.75 18.77 10.376 2.81813 3.98315 24.81 1479.15 1019.035 19.05 19.07 10.374 2.81703 3.98177 24.80 1479.13 1019.029 19.35 19.37 10.359 2.81946 3.98691 24.83 1479.12 1019.059 19.65 19.67 10.339 2.82098 3.99128 24.86 1479.09 1019.086 19.95 19.97 10.331 2.82010 3.99095 24.85 1479.06 1019.086 20.25 20.27 10.322 2.82085 3.99309 24.87 1479.05 1019.099 20.55 20.57 10.320 2.82064 3.99299 24.87 1479.05 1019.100 20.85 20.87 10.317 2.81953 3.99172 24.86 1479.03 1019.095 21.15 21.17 10.315 2.82136 3.99461 24.88 1479.05 1019.112 21.45 21.47 10.310 2.82263 3.99692 24.89 1479.06 1019.126 21.75 21.78 10.303 2.82550 4.00179 24.93 1479.07 1019.154 22.05 22.08 10.292 2.82712 4.00534 24.95 1479.07 1019.175 22.35 22.38 10.279 2.82926 4.00979 24.98 1479.06 1019.201 22.65 22.68 10.263 2.83395 4.01827 25.03 1479.07 1019.249 22.95 22.98 10.247 2.83663 4.02390 25.07 1479.07 1019.281 23.25 23.28 10.236 2.83761 4.02659 25.09 1479.05 1019.298 23.55 23.58 10.226 2.83874 4.02935 25.11 1479.04 1019.315 23.85 23.88 10.216 2.83880 4.03055 25.11 1479.02 1019.323 24.15 24.18 10.211 2.83987 4.03265 25.13 1479.02 1019.336 24.45 24.48 10.211 2.84082 4.03398 25.14 1479.04 1019.344 24.75 24.78 10.214 2.84170 4.03494 25.14 1479.06 1019.351 25.05 25.08 10.220 2.84245 4.03523 25.15 1479.09 1019.353 25.35 25.38 10.223 2.84331 4.03614 25.15 1479.11 1019.359 25.65 25.68 10.231 2.84738 4.04102 25.19 1479.19 1019.385 25.95 25.98 10.240 2.84747 4.04007 25.18 1479.22 1019.381 26.25 26.28 10.245 2.85027 4.04348 25.20 1479.27 1019.400 26.55 26.58 10.253 2.85242 4.04562 25.22 1479.33 1019.412 26.85 26.88 10.261 2.85460 4.04780 25.24 1479.38 1019.424 27.15 27.18 10.270 2.85801 4.05164 25.26 1479.45 1019.446 27.45 27.48 10.279 2.85890 4.05179 25.26 1479.49 1019.447 27.75 27.78 10.285 2.85947 4.05196 25.27 1479.52 1019.449 28.05 28.08 10.288 2.86022 4.05274 25.27 1479.54 1019.454 28.35 28.38 10.288 2.86143 4.05444 25.28 1479.56 1019.464 28.65 28.68 10.286 2.86118 4.05422 25.28 1479.56 1019.465 28.95 28.98 10.286 2.86108 4.05409 25.28 1479.56 1019.465 29.25 29.28 10.285 2.86182 4.05531 25.29 1479.57 1019.473 29.55 29.58 10.284 2.86186 4.05551 25.29 1479.57 1019.476 29.85 29.88 10.279 2.86122 4.05509 25.29 1479.56 1019.475 30.15 30.18 10.277 2.86138 4.05559 25.29 1479.56 1019.479 30.45 30.48 10.276 2.86104 4.05524 25.29 1479.55 1019.479 30.75 30.78 10.274 2.86096 4.05534 25.29 1479.55 1019.481 31.05 31.08 10.272 2.85999 4.05414 25.28 1479.54 1019.476 31.35 31.38 10.273 2.86016 4.05433 25.28 1479.55 1019.478 31.65 31.68 10.273 2.86060 4.05497 25.28 1479.56 1019.483 31.95 31.98 10.268 2.86029 4.05504 25.28 1479.55 1019.485 32.25 32.28 10.265 2.86058 4.05587 25.29 1479.55 1019.491 32.55 32.58 10.264 2.86033 4.05555 25.29 1479.55 1019.490 32.85 32.88 10.264 2.86161 4.05744 25.30 1479.56 1019.502 33.15 33.17 10.261 2.86320 4.05999 25.32 1479.58 1019.517 33.45 33.47 10.261 2.86425 4.06153 25.33 1479.60 1019.526 33.75 33.77 10.262 2.86559 4.06324 25.34 1479.62 1019.537 34.05 34.07 10.264 2.86583 4.06337 25.34 1479.63 1019.539 34.35 34.37 10.264 2.86580 4.06334 25.34 1479.64 1019.540 34.65 34.67 10.266 2.86707 4.06498 25.35 1479.66 1019.550 34.95 34.97 10.264 2.86724 4.06536 25.35 1479.67 1019.553 35.25 35.27 10.265 2.86950 4.06853 25.38 1479.70 1019.571 35.55 35.57 10.266 2.86910 4.06783 25.37 1479.70 1019.569 35.85 35.87 10.267 2.87017 4.06915 25.38 1479.72 1019.577 36.15 36.17 10.266 2.86926 4.06803 25.37 1479.71 1019.572 36.45 36.47 10.267 2.86954 4.06834 25.37 1479.72 1019.575 36.75 36.77 10.269 2.86850 4.06663 25.36 1479.72 1019.567 37.05 37.07 10.269 2.86926 4.06772 25.37 1479.74 1019.574 37.35 37.37 10.271 2.86916 4.06735 25.37 1479.74 1019.573 37.65 37.67 10.271 2.87037 4.06904 25.38 1479.76 1019.584 37.85 37.88 10.271 2.87017 4.06870 25.38 1479.77 1019.583