Survey Identifier: LEG180JR
Format Acronym: MGD77
Data Center File Number: 23060086
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19981009
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): P. Huchon, B. Taylor, A. Klaus
Project: OCEAN DRILLING PROGRAM, LEG 180
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19980607
Port of Departure: Darwin, Australia
Survey Arrival Date (yyyymmdd): 19980811
Port of Arrival: Sydney, Australia
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: -09
Bottommost Latitude: -33
Leftmost Longitude: 130
Rightmost Longitude: 154
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, NOTE: MGD77 FILE CREATED FROM WINFROG RAW FILES USING WF2MGD77 V1.5
Number of Data Records: 93661
Min/Max Data Record:
Date: 1998 06 08
Latitude: -32.31279
Longitude: +130.84934
Bathymetry, 2- Way Traveltime: 002507
Bathymetry, Corrected Depth: 188.0
Magnetics Total Field, 1st Sensor: 252710
Min/Max Data Record:
Date: 1998 08 10
Latitude: -9.17787
Longitude: +153.98095
Bathymetry, 2- Way Traveltime: 072987
Bathymetry, Corrected Depth: 5515.0
Magnetics Total Field, 1st Sensor: 620280