Survey Identifier: LEG179JR


Format Acronym: MGD77
Data Center File Number: 23060085
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19980701
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): John Casey, Jay Miller
Project: OCEAN DRILLING PROGRAM, LEG 179
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19980421
Port of Departure: Cape Town, South Africa
Survey Arrival Date (yyyymmdd): 19980608
Port of Arrival: Darwin, 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: -12
Bottommost Latitude: -36
Leftmost Longitude: 018
Rightmost Longitude: 131
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: 65349

Min/Max Data Record:
Date: 1998 04 20
Latitude: -35.08601
Longitude: +18.23610
Bathymetry, 2- Way Traveltime: 000293
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 390440

Min/Max Data Record:
Date: 1998 06 07
Latitude: -12.24676
Longitude: +130.84987
Bathymetry, 2- Way Traveltime: 087787
Bathymetry, Corrected Depth: 6665.0
Magnetics Total Field, 1st Sensor: 554370