*2017/12/13 11:31:18.11 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2016/07/18 22:21:03.000 END TIME : UTC 2016/07/18 22:21:36.400 TIME INCREMENT : 0 0 0 0 200 ! (day hr min sec ms) TIME UNITS : Milliseconds NUMBER OF RECORDS : 168 DATA DESCRIPTION : CTD NUMBER OF CHANNELS : 6 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ------------- --------------- -------------- -------------- 1 Pressure decibar 0.15 50.33 2 Depth metres 0.15 50.194 3 Temperature 'deg C (ITS90)' 9.805 14.766 4 Salinity PSS-78 27.716 30.972 5 Speed:Sound m/s 1485.027 1497.454 6 Density kg/m^3 1020.414 1024.068 $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 ' ' 7 F R4 2 5 -99 ' ' 8 F R4 2 6 -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 : 614 LATITUDE : 48 46.29122 N ! (deg min) LONGITUDE : 123 34.29917 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 2017/12/09 02:04:29 168 168 HDREDIT2 3.1.1 2017/12/13 11:31:18 ? ? $END $REMARKS -READ_CHS_CTDS processing: 2017/12/09 02:04:28 -HEADER EDITS: 2017/12/13 11:31:18 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: Salinity [PSS-78] Format: F10.3 ==> F7.2 Channel 6: Density [kg/m^3] Format: F10.3 ==> F9.3 Channel 5: Speed:Sound [m/s] Format: F10.3 ==> F8.2 $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_20160718_222103 % Cast time (UTC),2016-07-18 22:21:03 % Cast time (local),2016-07-18 22:21:03 % Sample type,Cast % Cast data,Processed % Location source,GPS % Default latitude,32 % Default altitude,0 % Start latitude,48.7715203 % Start longitude,-123.5716529 % Start altitude,-16.760000228881836 % Start GPS horizontal error(Meter),1.8999999761581421 % Start GPS vertical error(Meter),2.5799999237060547 % Start GPS number of satellites,7 % End latitude,48.7722532 % End longitude,-123.5712719 % End altitude,-20.309999465942383 % End GPS horizontal error(Meter),5.2100000381469727 % End GPS vertical error(Meter),7.0199999809265137 % End GPS number of satellites,7 % Cast duration (Seconds),128.8 % 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”. !--1--- --2--- ---3--- --4--- ---5--- ---6---- !Pressu Depth Tempera Salini Speed: Density !re ture ty Sound !------ ------ ------- ------ ------- -------- *END OF HEADER 0.15 0.15 14.766 27.72 1497.45 1020.414 0.45 0.45 14.656 27.95 1497.37 1020.615 0.75 0.75 14.617 27.94 1497.24 1020.623 1.05 1.05 14.579 27.95 1497.13 1020.638 1.35 1.35 14.543 27.92 1496.99 1020.625 1.65 1.65 14.508 27.93 1496.88 1020.636 1.95 1.95 14.476 27.93 1496.79 1020.645 2.25 2.25 14.442 27.92 1496.66 1020.643 2.55 2.55 14.383 27.90 1496.46 1020.647 2.85 2.85 14.288 27.95 1496.21 1020.706 3.15 3.15 14.185 28.00 1495.93 1020.764 3.45 3.45 14.075 28.05 1495.64 1020.828 3.75 3.75 14.014 28.07 1495.46 1020.852 4.05 4.04 13.994 28.08 1495.41 1020.866 4.35 4.34 13.980 28.07 1495.36 1020.866 4.65 4.64 13.972 28.10 1495.37 1020.886 4.95 4.94 13.962 28.09 1495.34 1020.889 5.25 5.24 13.960 28.11 1495.35 1020.898 5.55 5.54 13.939 28.13 1495.31 1020.920 5.85 5.84 13.927 28.12 1495.26 1020.919 6.15 6.14 13.920 28.13 1495.26 1020.932 6.45 6.44 13.871 28.17 1495.15 1020.973 6.75 6.74 13.788 28.23 1494.94 1021.033 7.05 7.04 13.765 28.20 1494.84 1021.019 7.35 7.34 13.762 28.20 1494.83 1021.019 7.65 7.64 13.759 28.20 1494.83 1021.023 7.95 7.94 13.758 28.20 1494.83 1021.025 8.25 8.24 13.757 28.20 1494.83 1021.027 8.55 8.54 13.756 28.20 1494.84 1021.028 8.85 8.84 13.751 28.20 1494.83 1021.032 9.15 9.14 13.746 28.20 1494.81 1021.033 9.45 9.44 13.734 28.21 1494.79 1021.045 9.75 9.74 13.724 28.22 1494.77 1021.054 10.05 10.04 13.722 28.23 1494.77 1021.060 10.35 10.34 13.716 28.23 1494.77 1021.065 10.65 10.63 13.720 28.23 1494.79 1021.067 10.95 10.93 13.726 28.23 1494.81 1021.066 11.25 11.23 13.727 28.23 1494.82 1021.066 11.55 11.53 13.726 28.23 1494.82 1021.068 11.85 11.83 13.728 28.23 1494.83 1021.070 12.15 12.13 13.732 28.23 1494.85 1021.070 12.45 12.43 13.739 28.22 1494.86 1021.064 12.75 12.73 13.740 28.23 1494.88 1021.067 13.05 13.03 13.743 28.23 1494.90 1021.072 13.35 13.33 13.740 28.23 1494.90 1021.077 13.65 13.63 13.734 28.24 1494.89 1021.082 13.95 13.93 13.718 28.26 1494.87 1021.107 14.25 14.23 13.702 28.28 1494.84 1021.121 14.55 14.53 13.678 28.29 1494.78 1021.140 14.85 14.83 13.641 28.31 1494.68 1021.162 15.15 15.13 13.559 28.36 1494.48 1021.220 15.45 15.43 13.503 28.40 1494.33 1021.258 15.75 15.73 13.475 28.41 1494.26 1021.276 16.05 16.03 13.429 28.44 1494.15 1021.311 16.35 16.32 13.400 28.45 1494.06 1021.323 16.65 16.62 13.399 28.45 1494.06 1021.322 16.95 16.92 13.389 28.46 1494.05 1021.336 17.25 17.22 13.304 28.53 1493.86 1021.410 17.55 17.52 13.160 28.62 1493.48 1021.509 17.85 17.82 13.058 28.65 1493.17 1021.549 18.15 18.12 12.931 28.68 1492.79 1021.601 18.45 18.42 12.801 28.72 1492.39 1021.652 18.75 18.72 12.583 28.81 1491.75 1021.764 19.05 19.02 12.397 28.93 1491.27 1021.894 19.35 19.32 12.304 28.98 1491.01 1021.952 19.65 19.62 12.203 29.03 1490.73 1022.012 19.95 19.92 12.078 29.11 1490.39 1022.095 20.25 20.22 11.982 29.17 1490.13 1022.160 20.55 20.52 11.945 29.20 1490.04 1022.190 20.85 20.82 11.907 29.22 1489.95 1022.219 21.15 21.11 11.861 29.25 1489.83 1022.249 21.45 21.41 11.832 29.26 1489.74 1022.263 21.75 21.71 11.815 29.28 1489.71 1022.280 22.05 22.01 11.800 29.29 1489.67 1022.291 22.35 22.31 11.780 29.31 1489.63 1022.314 22.65 22.61 11.770 29.31 1489.60 1022.316 22.95 22.91 11.760 29.31 1489.57 1022.318 23.25 23.21 11.753 29.30 1489.54 1022.315 23.55 23.51 11.719 29.32 1489.46 1022.343 23.85 23.81 11.691 29.34 1489.39 1022.365 24.15 24.11 11.671 29.36 1489.35 1022.386 24.45 24.41 11.660 29.37 1489.32 1022.394 24.75 24.70 11.653 29.37 1489.30 1022.396 25.05 25.00 11.647 29.38 1489.30 1022.403 25.35 25.30 11.643 29.38 1489.29 1022.407 25.65 25.60 11.639 29.38 1489.29 1022.412 25.95 25.90 11.633 29.39 1489.28 1022.420 26.25 26.20 11.629 29.39 1489.27 1022.423 26.55 26.50 11.625 29.40 1489.27 1022.431 26.85 26.80 11.624 29.40 1489.27 1022.430 27.15 27.10 11.621 29.40 1489.26 1022.432 27.45 27.40 11.615 29.40 1489.25 1022.438 27.75 27.70 11.608 29.40 1489.23 1022.443 28.05 27.99 11.601 29.40 1489.21 1022.442 28.35 28.29 11.585 29.41 1489.17 1022.455 28.65 28.59 11.572 29.43 1489.15 1022.472 28.95 28.89 11.563 29.43 1489.12 1022.474 29.25 29.19 11.552 29.43 1489.10 1022.481 29.55 29.49 11.543 29.43 1489.07 1022.483 29.85 29.79 11.518 29.44 1489.00 1022.496 30.15 30.09 11.455 29.48 1488.83 1022.540 30.45 30.39 11.384 29.53 1488.65 1022.595 30.75 30.69 11.323 29.59 1488.50 1022.650 31.05 30.98 11.269 29.62 1488.36 1022.686 31.35 31.28 11.249 29.63 1488.30 1022.699 31.65 31.58 11.224 29.65 1488.25 1022.721 31.95 31.88 11.191 29.68 1488.16 1022.748 32.25 32.18 11.143 29.72 1488.05 1022.788 32.55 32.48 11.079 29.76 1487.87 1022.831 32.85 32.78 11.047 29.78 1487.79 1022.855 33.15 33.08 11.031 29.79 1487.74 1022.864 33.45 33.38 11.017 29.79 1487.71 1022.873 33.75 33.68 11.004 29.80 1487.68 1022.885 34.05 33.98 10.992 29.81 1487.65 1022.896 34.35 34.27 10.979 29.82 1487.62 1022.905 34.65 34.57 10.959 29.84 1487.58 1022.922 34.95 34.87 10.936 29.85 1487.52 1022.942 35.25 35.17 10.890 29.89 1487.41 1022.981 35.55 35.47 10.857 29.92 1487.33 1023.010 35.85 35.77 10.829 29.94 1487.26 1023.031 36.15 36.07 10.799 29.96 1487.19 1023.057 36.45 36.37 10.785 29.98 1487.15 1023.070 36.75 36.67 10.776 29.99 1487.14 1023.080 37.05 36.97 10.773 29.99 1487.13 1023.082 37.35 37.26 10.771 29.99 1487.13 1023.086 37.65 37.56 10.772 29.99 1487.14 1023.088 37.95 37.86 10.779 29.98 1487.17 1023.084 38.25 38.16 10.784 29.98 1487.19 1023.084 38.55 38.46 10.791 29.97 1487.20 1023.074 38.85 38.76 10.794 29.98 1487.22 1023.078 39.15 39.06 10.800 29.97 1487.24 1023.071 39.45 39.36 10.802 29.96 1487.25 1023.069 39.75 39.66 10.803 29.96 1487.26 1023.071 40.05 39.95 10.802 29.96 1487.26 1023.074 40.35 40.25 10.807 29.95 1487.27 1023.066 40.65 40.55 10.811 29.95 1487.28 1023.061 40.95 40.85 10.814 29.95 1487.30 1023.067 41.25 41.15 10.812 29.95 1487.30 1023.069 41.55 41.45 10.808 29.95 1487.29 1023.069 41.85 41.75 10.802 29.96 1487.28 1023.075 42.15 42.05 10.795 29.97 1487.27 1023.087 42.45 42.35 10.781 29.98 1487.24 1023.099 42.75 42.65 10.768 29.99 1487.21 1023.112 43.05 42.94 10.756 30.01 1487.19 1023.127 43.35 43.24 10.744 30.01 1487.16 1023.136 43.65 43.54 10.731 30.02 1487.14 1023.148 43.95 43.84 10.718 30.04 1487.11 1023.161 44.25 44.14 10.715 30.04 1487.11 1023.169 44.55 44.44 10.709 30.05 1487.10 1023.175 44.85 44.74 10.695 30.06 1487.08 1023.191 45.15 45.04 10.676 30.08 1487.03 1023.206 45.45 45.34 10.692 30.07 1487.09 1023.202 45.75 45.63 10.703 30.07 1487.13 1023.201 46.05 45.93 10.683 30.09 1487.08 1023.219 46.35 46.23 10.644 30.15 1487.02 1023.273 46.65 46.53 10.608 30.19 1486.94 1023.309 46.95 46.83 10.570 30.23 1486.86 1023.347 47.25 47.13 10.470 30.32 1486.62 1023.438 47.55 47.43 10.375 30.42 1486.40 1023.530 47.85 47.73 10.232 30.56 1486.06 1023.669 48.15 48.02 10.096 30.70 1485.74 1023.797 48.45 48.32 9.996 30.79 1485.49 1023.886 48.75 48.62 9.903 30.87 1485.26 1023.968 49.05 48.92 9.869 30.90 1485.18 1024.000 49.35 49.22 9.848 30.93 1485.13 1024.022 49.65 49.52 9.814 30.96 1485.05 1024.054 49.95 49.82 9.805 30.96 1485.03 1024.059 50.33 50.19 9.813 30.97 1485.08 1024.068