*2019/08/26 15:30:31.49 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2017/03/02 17:56:10.000 END TIME : UTC 2017/03/02 17:56:34.800 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 125 DATA DESCRIPTION : CTD NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 37.43 2 Depth metres 0.15 37.36 3 Temperature 'deg C (ITS90)' 7.295 7.774 4 Conductivity S/m 2.75679 2.92982 5 Conductance:Specific S/m 4.26807 4.47016 6 Salinity PSS-78 26.41 27.85 7 Speed:Sound m/s 1469.1 1473.36 8 Density kg/m^3 1020.627 1021.861 $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 : 2017-98 AGENCY : Canadian Hydrographic Service COUNTRY : Canada PROJECT : CHS CTD Data Acquisition SCIENTIST : Dangerfield N. *LOCATION EVENT NUMBER : 300 LATITUDE : 49 17.58311 N ! (deg min) LONGITUDE : 123 5.09421 W ! (deg min) *INSTRUMENT TYPE : SonTek CTD MODEL : CastAway SERIAL NUMBER : CC1545005 *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! ------------- ------ ---------- -------- --------- --------- READ_CHS_CTDS 1.0 2017/12/08 20:52:47 125 125 HDREDIT2 3.1.1 2017/12/13 11:33:17 ? ? CALIB 12.0 2019/08/26 15:30:31 125 125 $END $REMARKS -READ_CHS_CTDS processing: 2017/12/08 20:52:47 -HEADER EDITS: 2017/12/13 11:33:17 Applied edit header: P:\Cruise_Data_Processing\CHS_data\test\Docs\CHS-ref-HDR.TXT Channel 1: Pressure [decibar] Format: F10.3 ==> F7.2 Channel 2: Depth [metres] Format: F10.3 ==> F7.2 Channel 3: Temperature [deg C (ITS90)] Format: F10.3 ==> F8.3 Channel 4: Conductivity [mS/cm] Format: F10.3 ==> F9.1 Channel 6: Salinity [PSS-78] Format: F10.3 ==> F7.2 Channel 8: Density [kg/m^3] Format: F10.3 ==> F9.3 Channel 5: Conductance:Specific [mS/cm] Format: F10.3 ==> F9.1 Channel 7: Speed:Sound [m/s] Format: F10.3 ==> F8.2 -CALIB parameters: 2019/08/26 15:30:31 Calibration type = Correct Mode: ONLY - calibration specs from Cal File only. Calibration file = Q:\OSD_DataProcessing\Cruise_data\conductivity-corrections\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 $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 and some quality control checks were made. Resolution and Accuracy as stated by the manufacturer is: Channel Resolution Accuracy Pressure 0.01 db 0.25 db Depth 0.01 m 0.25 m Temperature 0.01 degrees C 0.05 degrees C Conductivity 1 mS/cm 5 mS/cm Conductance:Specific 1 mS/cm 5 mS/cm Salinity 0.01 (PSS-78) 0.1 (PSS-78) Speed:Sound 0.01 m/s 0.15 m/s Density 0.004 kg/m3 0.02 kg/m3 GPS 10m Density is derived based on temperature resolution and accuracy using the International Equation of State for sea water (EOS-80). Depth and Specific Conductance are derived using the International Equation of State for sea water (EOS-80). Salinity was calculated using the 1978 Practical Salinity Scale. Sound Speed was calculated using the method of Chen-Millero, 1977. Original data file header: % Device,CC1545005 % File name,CC1545005_20170302_175610 % Cast time (UTC),2017-03-02 17:56:10 % Cast time (local),2017-03-02 17:56:10 % Sample type,Cast % Cast data,Processed % Location source,GPS % Default latitude,32 % Default altitude,0 % Start latitude,49.2930518 % Start longitude,-123.0849035 % Start altitude,-12.520000457763672 % Start GPS horizontal error(Meter),3.2999999523162842 % Start GPS vertical error(Meter),4.5199999809265137 % Start GPS number of satellites,6 % End latitude,49.2933136 % End longitude,-123.0863502 % End altitude,-10.119999885559082 % End GPS horizontal error(Meter),6.6100001335144043 % End GPS vertical error(Meter),9.5500001907348633 % End GPS number of satellites,6 % Cast duration (Seconds),165.6 % Samples per second,5 % Electronics calibration date,0001-01-01 % Conductivity calibration date,2015-11-20 % Temperature calibration date,2015-11-19 % Pressure calibration date,2015-11-17 % For more information about the CastAway CTD see document "CastAway CTD Principles of Operation.pdf”. *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 7.295 2.75679 4.26807 26.41 1469.10 1020.627 0.45 0.45 7.307 2.75847 4.26909 26.42 1469.17 1020.634 0.75 0.75 7.317 2.76263 4.27430 26.46 1469.25 1020.663 1.05 1.05 7.320 2.76271 4.27399 26.45 1469.27 1020.663 1.35 1.35 7.327 2.76348 4.27430 26.46 1469.30 1020.666 1.65 1.65 7.330 2.76640 4.27834 26.49 1469.36 1020.688 1.95 1.95 7.334 2.76822 4.28067 26.50 1469.40 1020.702 2.25 2.25 7.338 2.76919 4.28168 26.51 1469.43 1020.709 2.55 2.55 7.340 2.76930 4.28156 26.51 1469.44 1020.709 2.85 2.85 7.342 2.77083 4.28367 26.52 1469.47 1020.722 3.15 3.15 7.342 2.77159 4.28483 26.53 1469.48 1020.729 3.45 3.45 7.345 2.77265 4.28604 26.54 1469.51 1020.737 3.75 3.75 7.349 2.77211 4.28463 26.53 1469.52 1020.731 4.05 4.04 7.350 2.77364 4.28687 26.55 1469.55 1020.744 4.35 4.34 7.354 2.77508 4.28864 26.56 1469.59 1020.755 4.65 4.64 7.358 2.77614 4.28971 26.57 1469.62 1020.762 4.95 4.94 7.362 2.77735 4.29106 26.57 1469.65 1020.770 5.25 5.24 7.367 2.77831 4.29182 26.58 1469.68 1020.776 5.55 5.54 7.373 2.77904 4.29224 26.59 1469.71 1020.779 5.85 5.84 7.381 2.77998 4.29261 26.59 1469.75 1020.782 6.15 6.14 7.388 2.78286 4.29612 26.61 1469.82 1020.802 6.45 6.44 7.394 2.78727 4.30208 26.66 1469.90 1020.835 6.75 6.74 7.404 2.79058 4.30593 26.68 1469.97 1020.857 7.05 7.04 7.408 2.79222 4.30790 26.70 1470.01 1020.869 7.35 7.34 7.410 2.79387 4.31023 26.71 1470.04 1020.883 7.65 7.64 7.413 2.79440 4.31063 26.71 1470.07 1020.886 7.95 7.94 7.414 2.79514 4.31167 26.72 1470.08 1020.893 8.25 8.24 7.416 2.79554 4.31199 26.72 1470.10 1020.896 8.55 8.54 7.415 2.79598 4.31275 26.73 1470.11 1020.901 8.85 8.84 7.418 2.79658 4.31336 26.73 1470.13 1020.906 9.15 9.14 7.422 2.79800 4.31500 26.75 1470.16 1020.916 9.45 9.44 7.424 2.79939 4.31685 26.76 1470.19 1020.927 9.75 9.74 7.428 2.80082 4.31856 26.77 1470.23 1020.937 10.05 10.04 7.438 2.80655 4.32608 26.82 1470.34 1020.979 10.35 10.34 7.448 2.80947 4.32915 26.84 1470.41 1020.996 10.65 10.63 7.452 2.81134 4.33160 26.86 1470.45 1021.011 10.95 10.94 7.461 2.81311 4.33308 26.87 1470.50 1021.020 11.25 11.23 7.465 2.81721 4.33884 26.91 1470.57 1021.052 11.55 11.53 7.471 2.81866 4.34022 26.92 1470.62 1021.060 11.85 11.83 7.473 2.81931 4.34096 26.93 1470.64 1021.066 12.15 12.13 7.476 2.82000 4.34174 26.93 1470.66 1021.071 12.45 12.43 7.477 2.82096 4.34306 26.94 1470.68 1021.079 12.75 12.73 7.482 2.82177 4.34363 26.95 1470.71 1021.084 13.05 13.03 7.485 2.82436 4.34713 26.97 1470.76 1021.104 13.35 13.33 7.488 2.82521 4.34805 26.98 1470.78 1021.110 13.65 13.63 7.490 2.82643 4.34962 26.99 1470.81 1021.120 13.95 13.93 7.491 2.82690 4.35028 26.99 1470.82 1021.124 14.25 14.23 7.494 2.82703 4.35009 26.99 1470.84 1021.125 14.55 14.53 7.497 2.82873 4.35227 27.01 1470.87 1021.138 14.85 14.83 7.501 2.83342 4.35894 27.05 1470.95 1021.175 15.15 15.13 7.503 2.83346 4.35881 27.05 1470.96 1021.175 15.45 15.43 7.503 2.83429 4.35999 27.06 1470.98 1021.183 15.75 15.73 7.504 2.83477 4.36062 27.07 1470.99 1021.187 16.05 16.03 7.506 2.83601 4.36231 27.08 1471.02 1021.198 16.35 16.32 7.510 2.83697 4.36329 27.09 1471.04 1021.204 16.65 16.62 7.512 2.83715 4.36323 27.08 1471.06 1021.205 16.95 16.92 7.513 2.83781 4.36415 27.09 1471.07 1021.211 17.25 17.22 7.513 2.84009 4.36756 27.11 1471.11 1021.231 17.55 17.52 7.515 2.84055 4.36804 27.12 1471.13 1021.235 17.85 17.82 7.516 2.84019 4.36740 27.11 1471.13 1021.233 18.15 18.12 7.517 2.84193 4.36989 27.13 1471.16 1021.247 18.45 18.42 7.520 2.84431 4.37312 27.15 1471.20 1021.266 18.75 18.72 7.526 2.84637 4.37549 27.17 1471.25 1021.280 19.05 19.02 7.534 2.84860 4.37791 27.19 1471.31 1021.294 19.35 19.32 7.539 2.84970 4.37890 27.19 1471.34 1021.300 19.65 19.62 7.541 2.84935 4.37804 27.19 1471.35 1021.297 19.95 19.92 7.542 2.84957 4.37829 27.19 1471.36 1021.300 20.25 20.22 7.542 2.85051 4.37971 27.20 1471.38 1021.309 20.55 20.52 7.543 2.85106 4.38039 27.20 1471.39 1021.314 20.85 20.82 7.544 2.85157 4.38114 27.21 1471.41 1021.319 21.15 21.12 7.545 2.85187 4.38142 27.21 1471.42 1021.322 21.45 21.42 7.548 2.85141 4.38032 27.20 1471.43 1021.317 21.75 21.71 7.549 2.85207 4.38116 27.21 1471.44 1021.323 22.05 22.02 7.551 2.85248 4.38152 27.21 1471.46 1021.326 22.35 22.31 7.551 2.85259 4.38168 27.21 1471.46 1021.328 22.65 22.61 7.552 2.85231 4.38120 27.21 1471.47 1021.327 22.95 22.91 7.557 2.85508 4.38479 27.24 1471.52 1021.347 23.25 23.21 7.565 2.85693 4.38656 27.25 1471.58 1021.358 23.55 23.51 7.576 2.86022 4.39004 27.27 1471.66 1021.378 23.85 23.81 7.586 2.86586 4.39733 27.32 1471.77 1021.418 24.15 24.11 7.591 2.86591 4.39682 27.32 1471.78 1021.416 24.45 24.41 7.591 2.86865 4.40095 27.35 1471.83 1021.440 24.75 24.71 7.599 2.87355 4.40747 27.40 1471.91 1021.476 25.05 25.01 7.610 2.87287 4.40496 27.38 1471.94 1021.464 25.35 25.31 7.614 2.87300 4.40457 27.38 1471.96 1021.463 25.65 25.61 7.613 2.87114 4.40189 27.36 1471.94 1021.450 25.95 25.91 7.615 2.87591 4.40895 27.41 1472.01 1021.489 26.25 26.21 7.620 2.87220 4.40251 27.36 1471.98 1021.456 26.55 26.51 7.624 2.87619 4.40814 27.40 1472.05 1021.487 26.85 26.80 7.630 2.87860 4.41100 27.42 1472.11 1021.504 27.15 27.10 7.640 2.87713 4.40736 27.40 1472.12 1021.485 27.45 27.40 7.651 2.88499 4.41795 27.47 1472.26 1021.543 27.75 27.70 7.680 2.89899 4.43539 27.60 1472.53 1021.638 28.05 28.00 7.706 2.90704 4.44423 27.66 1472.71 1021.686 28.35 28.30 7.717 2.91237 4.45087 27.71 1472.82 1021.723 28.65 28.60 7.724 2.91301 4.45089 27.71 1472.85 1021.724 28.95 28.90 7.730 2.91386 4.45132 27.71 1472.89 1021.727 29.25 29.20 7.737 2.91600 4.45372 27.73 1472.94 1021.742 29.55 29.50 7.744 2.91971 4.45842 27.76 1473.01 1021.768 29.85 29.80 7.752 2.92354 4.46319 27.80 1473.09 1021.795 30.15 30.10 7.759 2.92526 4.46481 27.81 1473.14 1021.805 30.45 30.40 7.765 2.92639 4.46568 27.82 1473.18 1021.810 30.75 30.70 7.767 2.92851 4.46862 27.84 1473.21 1021.828 31.05 31.00 7.769 2.92960 4.47012 27.85 1473.24 1021.837 31.35 31.30 7.770 2.92936 4.46960 27.84 1473.24 1021.835 31.65 31.59 7.770 2.92921 4.46940 27.84 1473.24 1021.836 31.95 31.89 7.770 2.92925 4.46943 27.84 1473.25 1021.837 32.25 32.19 7.770 2.92910 4.46912 27.84 1473.26 1021.837 32.55 32.49 7.771 2.92946 4.46964 27.84 1473.27 1021.841 32.85 32.79 7.771 2.92974 4.47004 27.85 1473.27 1021.844 33.15 33.09 7.771 2.92982 4.47016 27.85 1473.28 1021.846 33.45 33.39 7.770 2.92938 4.46967 27.84 1473.28 1021.845 33.75 33.69 7.769 2.92913 4.46939 27.84 1473.27 1021.845 34.05 33.99 7.768 2.92866 4.46878 27.84 1473.27 1021.843 34.35 34.29 7.768 2.92923 4.46965 27.84 1473.28 1021.849 34.65 34.59 7.768 2.92867 4.46873 27.84 1473.28 1021.845 34.95 34.89 7.770 2.92865 4.46851 27.84 1473.29 1021.845 35.25 35.19 7.769 2.92891 4.46903 27.84 1473.30 1021.849 35.55 35.48 7.770 2.92882 4.46881 27.84 1473.30 1021.849 35.85 35.78 7.769 2.92874 4.46882 27.84 1473.30 1021.851 36.15 36.08 7.769 2.92938 4.46968 27.84 1473.32 1021.856 36.45 36.38 7.770 2.92950 4.46983 27.84 1473.32 1021.859 36.75 36.68 7.773 2.92945 4.46927 27.84 1473.34 1021.857 37.05 36.98 7.774 2.92974 4.46961 27.84 1473.35 1021.860 37.43 37.36 7.774 2.92971 4.46957 27.84 1473.36 1021.861