Survey Identifier: LEG168JR
Format Acronym: MGD77
Data Center File Number: 23060070
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19960912
Source Institution: OCEAN DRILLING PROGRAM/TEXAS A&M
Country: USA+ODP MEMBERS
Platform Name: JOIDES RESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): E. DAVIS, A. FISHER, J. FIRTH
Project: OCEAN DRILLING PROGRAM, LEG 168
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19960620
Port of Departure: SAN FRANCISCO, USA
Survey Arrival Date (yyyymmdd): 19960816
Port of Arrival: VICTORIA, CANADA
Navigation Instrumentation: MX1107 GPS
Geodetic Datum/Position: GPS FIXES AT 1 MIN INTERVALS
Bathymetry Instrumentation: PDR-105B
Additional Forms of Bathymetric Data: ANALOG RECORDS & MICROFILM
Magnetics Instrumentation: EGG 886
Additional Forms of Magnetics Data: ANALOG RECORDS & MICROFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: +49
Bottommost Latitude: +37
Leftmost Longitude: -129
Rightmost Longitude: -122
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 0450
Sensor Depth: 00100
Horizontal Sensor Separation: 000
Reference Field Code: 00
Reference Field: UNUSED
Additional Documentation: ORIGINAL RECORDS ARCHIVED AT ODP, NGDC CALCULATED BAD SPEEDS (OVER 20 KNOTS) IN 13 PERCENT OF THE DATA RECORDS. NOTE: MGD77 FILE CREATED FROM WINFROG RAW FILES USING WF2MGD77 V1.2
Number of Data Records: 21703
Min/Max Data Record:
Date: 1996 06 20
Latitude: +37.76229
Longitude: -128.80758
Bathymetry, 2- Way Traveltime: 001613
Bathymetry, Corrected Depth: 121.0
Magnetics Total Field, 1st Sensor: 295820
Min/Max Data Record:
Date: 1996 08 16
Latitude: +48.46979
Longitude: -122.37047
Bathymetry, 2- Way Traveltime: 055547
Bathymetry, Corrected Depth: 4155.0
Magnetics Total Field, 1st Sensor: 550590