Survey Identifier: ODP208JR
Format Acronym: MGD77
Data Center File Number: 23060114
Parameters Surveyed Code: 50113
File Creation Date (yyyymmdd): 20030719
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. KROON, DR.ZACHOS, DR.BLUM
Project: OCEAN DRILLING PROGRAM, LEG 208
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 20030306
Port of Departure: RIO DE JANEIRO, BRAZIL
Survey Arrival Date (yyyymmdd): 20030507
Port of Arrival: RIO DE JANEIRO, BRAZIL
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: -22
Bottommost Latitude: -29
Leftmost Longitude: -044
Rightmost Longitude: 003
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 73979 POINTS TO 40627 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: 40627
Min/Max Data Record:
Date: 2003 03 14
Latitude: -28.83544
Longitude: -43.18718
Bathymetry, 2- Way Traveltime: 011227
Bathymetry, Corrected Depth: 844.0
Magnetics Total Field, 1st Sensor: 202820
Min/Max Data Record:
Date: 2003 05 04
Latitude: -22.88913
Longitude: +2.84570
Bathymetry, 2- Way Traveltime: 122867
Bathymetry, Corrected Depth: 9215.0
Magnetics Total Field, 1st Sensor: 464710