Survey Identifier: ODP183JR
Format Acronym: MGD77
Data Center File Number: 23060089
Parameters Surveyed Code: 50113
File Creation Date (yyyymmdd): 20031003
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): DR.COFFIN, DR.FREY, DR.WALLACE
Project: OCEAN DRILLING PROGRAM, LEG 183
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19981207
Port of Departure: FREEMANTLE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19990211
Port of Arrival: FREEMANTLE, AUSTRALIA
Navigation Instrumentation: NMEA GPS
Geodetic Datum/Position: GPS FIXES AT 1 MIN INTERVALS
Bathymetry Instrumentation: EPC 9802
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: WATER GUNS
Formats of Seismic Data: ANALOG RECORDS AND MICROFILM
Topmost Latitude of Survey: -31
Bottommost Latitude: -60
Leftmost Longitude: 063
Rightmost Longitude: 116
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, DATA WERE SUBSAMPLED BY NGDC, REDUCING 63964 POINTS TO 54334 POINTS, CHOOSING, POINTS NO CLOSER THAN 0.02 NAUTICAL MILES, WITH THE EXCEPTION THAT ALL RECORDS, WITH BATHYMETRY OR MAGNETICS WERE RETAINED. NOTE: MGD77 FILE CREATED FROM WINFROG RAW FILES USING WF2MGD77 V202.2
Number of Data Records: 54334
Min/Max Data Record:
Date: 1998 12 12
Latitude: -59.70010
Longitude: +63.93611
Bathymetry, 2- Way Traveltime: 000413
Bathymetry, Corrected Depth: 31.0
Magnetics Total Field, 1st Sensor: 200150
Min/Max Data Record:
Date: 1999 02 10
Latitude: -31.89821
Longitude: +115.74411
Bathymetry, 2- Way Traveltime: 104267
Bathymetry, Corrected Depth: 7924.0
Magnetics Total Field, 1st Sensor: 668070