*2019/08/26 15:30:13.40 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2016/10/25 20:52:28.000 END TIME : UTC 2016/10/25 20:52:49.600 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 109 DATA DESCRIPTION : CTD NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 32.64 2 Depth metres 0.15 33.28 3 Temperature 'deg C (ITS90)' 9.817 9.98 4 Conductivity S/m 0.69E-02 0.729E-02 5 Conductance:Specific S/m 0.988E-02 0.1047E-01 6 Salinity PSS-78 0.5E-01 0.5E-01 7 Speed:Sound m/s 1446.9 1447.27 8 Density kg/m^3 999.742 999.912 $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 : 2016-98 AGENCY : Canadian Hydrographic Service COUNTRY : Canada PROJECT : CHS CTD Data Acquisition SCIENTIST : Dangerfield N. *LOCATION EVENT NUMBER : 457 LATITUDE : 49 9.44811 N ! (deg min) LONGITUDE : 122 56.76222 W ! (deg min) *INSTRUMENT TYPE : SonTek CTD MODEL : CastAway SERIAL NUMBER : CC1606003 *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! ------------- ------ ---------- -------- --------- --------- READ_CHS_CTDS 1.0 2017/12/08 23:29:53 109 109 HDREDIT2 3.1.1 2017/12/13 11:31:16 ? ? CALIB 12.0 2019/08/26 15:30:13 109 109 $END $REMARKS -READ_CHS_CTDS processing: 2017/12/08 23:29:53 -HEADER EDITS: 2017/12/13 11:31:16 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 15:30:13 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,CC1606003 % File name,CC1606003_20161025_205228 % Cast time (UTC),2016-10-25 20:52:28 % Cast time (local),2016-10-25 20:52:28 % Sample type,Cast % Cast data,Processed % Location source,GPS % Default latitude,32 % Default altitude,0 % Start latitude,49.1574685 % Start longitude,-122.946037 % Start altitude,-23.069999694824219 % Start GPS horizontal error(Meter),3.8900001049041748 % Start GPS vertical error(Meter),5.179999828338623 % Start GPS number of satellites,7 % End latitude,49.1573199 % End longitude,-122.9459317 % End altitude,-16.790000915527344 % End GPS horizontal error(Meter),25.360000610351562 % End GPS vertical error(Meter),31.079999923706055 % End GPS number of satellites,6 % Cast duration (Seconds),105.4 % Samples per second,5 % Electronics calibration date,0001-01-01 % Conductivity calibration date,2016-03-01 % Temperature calibration date,2016-02-23 % Pressure calibration date,2016-02-12 % 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 9.976 0.00698 0.00998 0.05 1447.25 999.742 0.45 0.46 9.980 0.00698 0.00998 0.05 1447.27 999.743 0.75 0.77 9.978 0.00698 0.00997 0.05 1447.26 999.745 1.05 1.07 9.979 0.00697 0.00997 0.05 1447.27 999.746 1.35 1.38 9.975 0.00698 0.00998 0.05 1447.26 999.748 1.65 1.68 9.973 0.00697 0.00997 0.05 1447.26 999.749 1.95 1.99 9.968 0.00697 0.00997 0.05 1447.24 999.751 2.25 2.29 9.969 0.00694 0.00993 0.05 1447.25 999.753 2.55 2.60 9.964 0.00693 0.00992 0.05 1447.24 999.754 2.85 2.91 9.955 0.00693 0.00992 0.05 1447.20 999.757 3.15 3.21 9.947 0.00693 0.00991 0.05 1447.18 999.759 3.45 3.52 9.944 0.00692 0.00991 0.05 1447.17 999.760 3.75 3.82 9.943 0.00692 0.00990 0.05 1447.17 999.762 4.05 4.13 9.943 0.00692 0.00990 0.05 1447.18 999.763 4.35 4.43 9.942 0.00692 0.00991 0.05 1447.18 999.765 4.65 4.74 9.942 0.00692 0.00990 0.05 1447.18 999.766 4.95 5.05 9.938 0.00692 0.00990 0.05 1447.17 999.768 5.25 5.35 9.934 0.00691 0.00989 0.05 1447.16 999.770 5.55 5.66 9.932 0.00691 0.00989 0.05 1447.16 999.771 5.85 5.96 9.929 0.00692 0.00990 0.05 1447.15 999.773 6.15 6.27 9.928 0.00691 0.00989 0.05 1447.15 999.775 6.45 6.58 9.927 0.00691 0.00989 0.05 1447.15 999.776 6.75 6.88 9.927 0.00690 0.00988 0.05 1447.16 999.778 7.05 7.19 9.925 0.00690 0.00989 0.05 1447.15 999.779 7.35 7.49 9.924 0.00690 0.00988 0.05 1447.15 999.781 7.65 7.80 9.919 0.00690 0.00989 0.05 1447.14 999.783 7.95 8.11 9.916 0.00691 0.00990 0.05 1447.13 999.784 8.25 8.41 9.914 0.00692 0.00991 0.05 1447.13 999.786 8.55 8.72 9.913 0.00692 0.00991 0.05 1447.13 999.787 8.85 9.02 9.912 0.00692 0.00991 0.05 1447.13 999.789 9.15 9.33 9.911 0.00692 0.00991 0.05 1447.13 999.790 9.45 9.63 9.911 0.00692 0.00991 0.05 1447.13 999.792 9.75 9.94 9.911 0.00692 0.00991 0.05 1447.14 999.793 10.05 10.25 9.911 0.00692 0.00991 0.05 1447.14 999.795 10.35 10.55 9.910 0.00691 0.00990 0.05 1447.15 999.796 10.65 10.86 9.909 0.00691 0.00990 0.05 1447.15 999.798 10.95 11.16 9.909 0.00691 0.00990 0.05 1447.15 999.799 11.25 11.47 9.909 0.00691 0.00990 0.05 1447.16 999.801 11.55 11.78 9.910 0.00692 0.00991 0.05 1447.17 999.802 11.85 12.08 9.912 0.00692 0.00991 0.05 1447.18 999.803 12.15 12.39 9.916 0.00691 0.00990 0.05 1447.20 999.804 12.45 12.69 9.918 0.00691 0.00990 0.05 1447.21 999.806 12.75 13.00 9.916 0.00691 0.00989 0.05 1447.21 999.807 13.05 13.31 9.915 0.00691 0.00989 0.05 1447.21 999.809 13.35 13.61 9.914 0.00691 0.00989 0.05 1447.21 999.810 13.65 13.92 9.910 0.00691 0.00989 0.05 1447.20 999.812 13.95 14.22 9.901 0.00691 0.00990 0.05 1447.17 999.814 14.25 14.53 9.893 0.00691 0.00991 0.05 1447.14 999.816 14.55 14.84 9.882 0.00703 0.01007 0.05 1447.10 999.819 14.85 15.14 9.877 0.00715 0.01024 0.05 1447.09 999.822 15.15 15.45 9.871 0.00719 0.01031 0.05 1447.07 999.824 15.45 15.75 9.858 0.00722 0.01036 0.05 1447.03 999.827 15.75 16.06 9.844 0.00729 0.01047 0.05 1446.97 999.830 16.05 16.36 9.836 0.00728 0.01045 0.05 1446.95 999.832 16.35 16.67 9.834 0.00724 0.01039 0.05 1446.94 999.833 16.65 16.98 9.829 0.00723 0.01038 0.05 1446.93 999.835 16.95 17.28 9.824 0.00716 0.01028 0.05 1446.91 999.837 17.25 17.59 9.821 0.00722 0.01037 0.05 1446.90 999.839 17.55 17.89 9.822 0.00722 0.01037 0.05 1446.91 999.840 17.85 18.20 9.821 0.00719 0.01032 0.05 1446.91 999.841 18.15 18.51 9.822 0.00720 0.01033 0.05 1446.92 999.843 18.45 18.81 9.822 0.00720 0.01034 0.05 1446.93 999.844 18.75 19.12 9.822 0.00719 0.01033 0.05 1446.93 999.846 19.05 19.42 9.822 0.00719 0.01032 0.05 1446.94 999.847 19.35 19.73 9.820 0.00720 0.01033 0.05 1446.93 999.849 19.65 20.04 9.821 0.00720 0.01035 0.05 1446.94 999.850 19.95 20.34 9.819 0.00724 0.01040 0.05 1446.94 999.852 20.25 20.65 9.820 0.00726 0.01042 0.05 1446.95 999.853 20.55 20.95 9.821 0.00727 0.01043 0.05 1446.96 999.855 20.85 21.26 9.821 0.00726 0.01042 0.05 1446.96 999.856 21.15 21.56 9.821 0.00726 0.01043 0.05 1446.97 999.858 21.45 21.87 9.820 0.00728 0.01046 0.05 1446.97 999.859 21.75 22.18 9.820 0.00729 0.01047 0.05 1446.97 999.861 22.05 22.48 9.820 0.00728 0.01045 0.05 1446.98 999.862 22.35 22.79 9.818 0.00725 0.01042 0.05 1446.97 999.863 22.65 23.09 9.818 0.00726 0.01043 0.05 1446.98 999.865 22.95 23.40 9.818 0.00722 0.01036 0.05 1446.99 999.866 23.25 23.70 9.820 0.00712 0.01023 0.05 1447.00 999.867 23.55 24.01 9.821 0.00711 0.01020 0.05 1447.01 999.868 23.85 24.32 9.822 0.00710 0.01020 0.05 1447.01 999.869 24.15 24.62 9.823 0.00709 0.01018 0.05 1447.02 999.871 24.45 24.93 9.822 0.00710 0.01019 0.05 1447.02 999.872 24.75 25.23 9.822 0.00712 0.01022 0.05 1447.03 999.874 25.05 25.54 9.823 0.00713 0.01024 0.05 1447.04 999.875 25.35 25.85 9.823 0.00712 0.01023 0.05 1447.04 999.877 25.65 26.15 9.823 0.00712 0.01023 0.05 1447.05 999.878 25.95 26.46 9.823 0.00712 0.01023 0.05 1447.05 999.880 26.25 26.76 9.823 0.00712 0.01023 0.05 1447.06 999.881 26.55 27.07 9.822 0.00711 0.01021 0.05 1447.06 999.882 26.85 27.38 9.821 0.00710 0.01020 0.05 1447.06 999.884 27.15 27.68 9.821 0.00712 0.01023 0.05 1447.06 999.885 27.45 27.99 9.822 0.00715 0.01026 0.05 1447.07 999.887 27.75 28.29 9.821 0.00716 0.01028 0.05 1447.07 999.888 28.05 28.60 9.821 0.00716 0.01028 0.05 1447.08 999.890 28.35 28.91 9.820 0.00714 0.01026 0.05 1447.08 999.891 28.65 29.21 9.818 0.00716 0.01028 0.05 1447.08 999.893 28.95 29.52 9.819 0.00718 0.01031 0.05 1447.08 999.895 29.25 29.82 9.819 0.00718 0.01030 0.05 1447.09 999.896 29.55 30.13 9.821 0.00718 0.01030 0.05 1447.10 999.897 29.85 30.43 9.822 0.00716 0.01028 0.05 1447.11 999.898 30.15 30.74 9.823 0.00719 0.01032 0.05 1447.12 999.900 30.45 31.05 9.821 0.00720 0.01035 0.05 1447.12 999.902 30.75 31.35 9.818 0.00721 0.01036 0.05 1447.11 999.903 31.05 31.66 9.817 0.00720 0.01033 0.05 1447.11 999.905 31.35 31.96 9.818 0.00720 0.01033 0.05 1447.12 999.906 31.65 32.27 9.820 0.00719 0.01033 0.05 1447.13 999.907 31.95 32.58 9.822 0.00719 0.01032 0.05 1447.14 999.909 32.25 32.88 9.822 0.00721 0.01035 0.05 1447.15 999.910 32.64 33.28 9.822 0.00726 0.01042 0.05 1447.15 999.912