Survey Identifier: ODP197JR
Format Acronym: MGD77
Data Center File Number: 23060103
Parameters Surveyed Code: 50113
File Creation Date (yyyymmdd): 20040624
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.Tarduno, Dr.Duncan, Dr.Scholl
Project: OCEAN DRILLING PROGRAM, LEG 197
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 20010701
Port of Departure: Yokahama, Japan
Survey Arrival Date (yyyymmdd): 20010827
Port of Arrival: Yokahama, Japan
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: 52
Bottommost Latitude: 34
Leftmost Longitude: 142
Rightmost Longitude: 173
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 150569 POINTS TO 52093 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: 52093
Min/Max Data Record:
Date: 2001 07 07
Latitude: +34.08609
Longitude: +142.49812
Bathymetry, 2- Way Traveltime: 007587
Bathymetry, Corrected Depth: 567.0
Magnetics Total Field, 1st Sensor: 247230
Min/Max Data Record:
Date: 2001 08 26
Latitude: +51.39243
Longitude: +172.19080
Bathymetry, 2- Way Traveltime: 096987
Bathymetry, Corrected Depth: 7390.0
Magnetics Total Field, 1st Sensor: 716790