Survey Identifier: LEG169JR
Format Acronym: MGD77
Data Center File Number: 23060072
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19961121
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): Y.Fouquet R.Zierenberg J.Miller
Project: OCEAN DRILLING PROGRAM, LEG 169
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19960822
Port of Departure: Victoria, Canada
Survey Arrival Date (yyyymmdd): 19961017
Port of Arrival: San Diego, USA
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: +34
Leftmost Longitude: -129
Rightmost Longitude: -120
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, LEG 169S WAS A SUBLEG DISTINCT FROM LEG 169 SO SEPARATE MGD77 FILES WERE, CREATED FOR LEG 169S AND LEG 169. NGDC CALCULATED BAD SPEEDS (OVER 20 KNOTS) IN 5 PERCENT OF THE DATA RECORDS. NOTE: MGD77 FILE CREATED FROM WINFROG RAW FILES USING WF2MGD77 V1.3
Number of Data Records: 59662
Min/Max Data Record:
Date: 1996 08 22
Latitude: +34.27911
Longitude: -128.71367
Bathymetry, 2- Way Traveltime: 020933
Bathymetry, Corrected Depth: 1551.0
Magnetics Total Field, 1st Sensor: 296140
Min/Max Data Record:
Date: 1996 10 15
Latitude: +48.53648
Longitude: -120.52591
Bathymetry, 2- Way Traveltime: 048533
Bathymetry, Corrected Depth: 3622.0
Magnetics Total Field, 1st Sensor: 553600