Survey Identifier: LEG178JR


Format Acronym: MGD77
Data Center File Number: 23060084
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19980619
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 Barker,A Camerlenghi,G Acton
Project: OCEAN DRILLING PROGRAM, LEG 178
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19980213
Port of Departure: Ponta Arenas, Chile
Survey Arrival Date (yyyymmdd): 19980419
Port of Arrival: Cape Town, South Africa
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: -34
Bottommost Latitude: -68
Leftmost Longitude: -079
Rightmost Longitude: 017
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: 79959

Min/Max Data Record:
Date: 1998 02 12
Latitude: -67.60642
Longitude: -78.58813
Bathymetry, 2- Way Traveltime: 000733
Bathymetry, Corrected Depth: 55.0
Magnetics Total Field, 1st Sensor: 204680

Min/Max Data Record:
Date: 1998 04 08
Latitude: -34.55745
Longitude: +16.98347
Bathymetry, 2- Way Traveltime: 080000
Bathymetry, Corrected Depth: 5998.0
Magnetics Total Field, 1st Sensor: 599270