*2019/08/26 15:30:12.96 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2016/10/24 23:58:39.000 END TIME : UTC 2016/10/24 23:58:57.600 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 94 DATA DESCRIPTION : CTD NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 27.98 2 Depth metres 0.15 28.53 3 Temperature 'deg C (ITS90)' 10.097 10.115 4 Conductivity S/m 0.659E-02 0.695E-02 5 Conductance:Specific S/m 0.939E-02 0.99E-02 6 Salinity PSS-78 0.4E-01 0.5E-01 7 Speed:Sound m/s 1447.78 1448.18 8 Density kg/m^3 999.728 999.864 $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 : 445 LATITUDE : 49 9.43495 N ! (deg min) LONGITUDE : 122 56.78876 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 23:17:60 94 94 HDREDIT2 3.1.1 2017/12/13 11:31:16 ? ? CALIB 12.0 2019/08/26 15:30:12 94 94 $END $REMARKS -READ_CHS_CTDS processing: 2017/12/08 23:17:59 -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 15:30:12 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_20161024_235839 % Cast time (UTC),2016-10-24 23:58:39 % Cast time (local),2016-10-24 23:58:39 % Sample type,Cast % Cast data,Processed % Location source,GPS % Default latitude,32 % Default altitude,0 % Start latitude,49.1572492 % Start longitude,-122.9464793 % Start altitude,-18.229999542236328 % Start GPS horizontal error(Meter),3.1500000953674316 % Start GPS vertical error(Meter),3.190000057220459 % Start GPS number of satellites,7 % End latitude, % End longitude, % End altitude, % End GPS horizontal error(Meter), % End GPS vertical error(Meter), % End GPS number of satellites, % Cast duration (Seconds),104.2 % 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 10.112 0.00660 0.00939 0.04 1447.78 999.728 0.45 0.46 10.113 0.00660 0.00939 0.04 1447.79 999.729 0.75 0.77 10.113 0.00660 0.00940 0.04 1447.80 999.731 1.05 1.07 10.113 0.00660 0.00939 0.04 1447.80 999.732 1.35 1.38 10.114 0.00660 0.00939 0.04 1447.81 999.733 1.65 1.68 10.113 0.00659 0.00939 0.04 1447.81 999.735 1.95 1.99 10.114 0.00659 0.00939 0.04 1447.82 999.736 2.25 2.29 10.115 0.00660 0.00939 0.04 1447.83 999.738 2.55 2.60 10.114 0.00659 0.00939 0.04 1447.83 999.739 2.85 2.91 10.112 0.00660 0.00940 0.04 1447.83 999.741 3.15 3.21 10.112 0.00660 0.00940 0.04 1447.83 999.742 3.45 3.52 10.110 0.00661 0.00941 0.04 1447.83 999.744 3.75 3.82 10.110 0.00661 0.00941 0.04 1447.83 999.745 4.05 4.13 10.111 0.00660 0.00941 0.04 1447.84 999.747 4.35 4.43 10.111 0.00660 0.00940 0.04 1447.84 999.748 4.65 4.74 10.111 0.00660 0.00940 0.04 1447.85 999.750 4.95 5.05 10.109 0.00661 0.00941 0.04 1447.85 999.751 5.25 5.35 10.109 0.00660 0.00941 0.04 1447.85 999.753 5.55 5.66 10.109 0.00660 0.00940 0.04 1447.86 999.754 5.85 5.96 10.109 0.00660 0.00941 0.04 1447.86 999.755 6.15 6.27 10.109 0.00661 0.00941 0.04 1447.87 999.757 6.45 6.58 10.110 0.00660 0.00940 0.04 1447.88 999.758 6.75 6.88 10.109 0.00660 0.00941 0.04 1447.88 999.760 7.05 7.19 10.110 0.00661 0.00942 0.04 1447.88 999.761 7.35 7.49 10.109 0.00662 0.00943 0.04 1447.89 999.763 7.65 7.80 10.108 0.00662 0.00943 0.04 1447.89 999.764 7.95 8.11 10.108 0.00668 0.00952 0.04 1447.89 999.766 8.25 8.41 10.107 0.00670 0.00954 0.04 1447.89 999.768 8.55 8.72 10.107 0.00667 0.00950 0.04 1447.90 999.769 8.85 9.02 10.107 0.00664 0.00946 0.04 1447.90 999.770 9.15 9.33 10.107 0.00664 0.00946 0.04 1447.91 999.772 9.45 9.64 10.108 0.00664 0.00946 0.04 1447.91 999.773 9.75 9.94 10.108 0.00664 0.00946 0.04 1447.92 999.774 10.05 10.25 10.108 0.00662 0.00943 0.04 1447.93 999.776 10.35 10.55 10.108 0.00663 0.00944 0.04 1447.93 999.777 10.65 10.86 10.108 0.00663 0.00944 0.04 1447.93 999.779 10.95 11.16 10.108 0.00663 0.00944 0.04 1447.94 999.780 11.25 11.47 10.108 0.00663 0.00944 0.04 1447.94 999.781 11.55 11.78 10.108 0.00663 0.00945 0.04 1447.95 999.783 11.85 12.08 10.108 0.00664 0.00946 0.04 1447.95 999.784 12.15 12.39 10.107 0.00665 0.00947 0.04 1447.95 999.786 12.45 12.69 10.106 0.00666 0.00949 0.04 1447.96 999.788 12.75 13.00 10.106 0.00670 0.00954 0.04 1447.96 999.789 13.05 13.31 10.104 0.00674 0.00960 0.04 1447.96 999.791 13.35 13.61 10.104 0.00677 0.00964 0.05 1447.96 999.793 13.65 13.92 10.104 0.00679 0.00967 0.05 1447.97 999.794 13.95 14.22 10.104 0.00679 0.00967 0.05 1447.97 999.796 14.25 14.53 10.104 0.00675 0.00962 0.04 1447.98 999.797 14.55 14.84 10.105 0.00674 0.00959 0.04 1447.98 999.798 14.85 15.14 10.105 0.00672 0.00958 0.04 1447.99 999.799 15.15 15.45 10.104 0.00672 0.00957 0.04 1447.99 999.801 15.45 15.75 10.104 0.00673 0.00958 0.04 1448.00 999.802 15.75 16.06 10.104 0.00675 0.00962 0.04 1448.00 999.804 16.05 16.36 10.104 0.00677 0.00964 0.05 1448.01 999.805 16.35 16.67 10.105 0.00679 0.00967 0.05 1448.02 999.807 16.65 16.98 10.104 0.00681 0.00970 0.05 1448.02 999.809 16.95 17.28 10.103 0.00681 0.00970 0.05 1448.02 999.810 17.25 17.59 10.101 0.00680 0.00969 0.05 1448.01 999.812 17.55 17.89 10.101 0.00682 0.00971 0.05 1448.02 999.813 17.85 18.20 10.102 0.00682 0.00972 0.05 1448.03 999.815 18.15 18.51 10.103 0.00682 0.00971 0.05 1448.04 999.816 18.45 18.81 10.102 0.00681 0.00970 0.05 1448.04 999.817 18.75 19.12 10.102 0.00681 0.00969 0.05 1448.04 999.819 19.05 19.42 10.101 0.00680 0.00969 0.05 1448.04 999.820 19.35 19.73 10.103 0.00681 0.00970 0.05 1448.05 999.822 19.65 20.04 10.103 0.00681 0.00970 0.05 1448.06 999.823 19.95 20.34 10.104 0.00681 0.00970 0.05 1448.07 999.824 20.25 20.65 10.103 0.00681 0.00970 0.05 1448.07 999.826 20.55 20.95 10.103 0.00681 0.00970 0.05 1448.08 999.827 20.85 21.26 10.103 0.00682 0.00971 0.05 1448.08 999.829 21.15 21.57 10.103 0.00681 0.00971 0.05 1448.09 999.830 21.45 21.87 10.102 0.00682 0.00971 0.05 1448.09 999.832 21.75 22.18 10.101 0.00682 0.00971 0.05 1448.09 999.833 22.05 22.48 10.101 0.00682 0.00971 0.05 1448.09 999.835 22.35 22.79 10.101 0.00681 0.00970 0.05 1448.10 999.836 22.65 23.09 10.101 0.00681 0.00971 0.05 1448.10 999.838 22.95 23.40 10.100 0.00682 0.00972 0.05 1448.10 999.839 23.25 23.71 10.100 0.00681 0.00970 0.05 1448.10 999.840 23.55 24.01 10.099 0.00682 0.00971 0.05 1448.11 999.842 23.85 24.32 10.099 0.00683 0.00974 0.05 1448.11 999.844 24.15 24.62 10.099 0.00684 0.00975 0.05 1448.12 999.845 24.45 24.93 10.098 0.00684 0.00975 0.05 1448.12 999.846 24.75 25.23 10.098 0.00685 0.00976 0.05 1448.12 999.848 25.05 25.54 10.099 0.00684 0.00975 0.05 1448.13 999.849 25.35 25.85 10.101 0.00683 0.00974 0.05 1448.14 999.850 25.65 26.15 10.102 0.00685 0.00975 0.05 1448.15 999.852 25.95 26.46 10.102 0.00689 0.00981 0.05 1448.16 999.853 26.25 26.76 10.101 0.00692 0.00985 0.05 1448.16 999.855 26.55 27.07 10.099 0.00692 0.00986 0.05 1448.16 999.857 26.85 27.38 10.098 0.00690 0.00983 0.05 1448.16 999.858 27.15 27.68 10.097 0.00681 0.00970 0.05 1448.16 999.859 27.45 27.99 10.099 0.00688 0.00980 0.05 1448.17 999.861 27.75 28.29 10.100 0.00694 0.00989 0.05 1448.18 999.863 27.98 28.53 10.100 0.00695 0.00990 0.05 1448.18 999.864