Survey Identifier: ODP117JR
Format Acronym: MGD77
Data Center File Number: 23060020
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19871208
Source Institution: TEXAS A+M UNIVERSITY
Country: USA
Platform Name: JOIDES RESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.BACKMAN,R.DUNCAN,A.MACDONALD
Project: OCEAN DRILLING PROGRAM LEG 117
Survey Departure Date (yyyymmdd): 19870823
Port of Departure: COLOMBO,SRI LANKA
Survey Arrival Date (yyyymmdd): 19871017
Port of Arrival: PT.LOUIS,MAURITIUS
Navigation Instrumentation: MAGNAVOX TRANSIT & GPS
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5&12KHZ PDR
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Magnetics Instrumentation: GEOMETRICS 801 PROTON
Additional Forms of Magnetics Data: ANAL.REC,35MM FILM,DIGITAL MAG.TAPE
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: SSI 80 WATERGUNS
Formats of Seismic Data: ANAL.REC.35MM FILM,DIGITAL MAG.TAPE
Topmost Latitude of Survey: +21
Bottommost Latitude: -19
Leftmost Longitude: +057
Rightmost Longitude: +080
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL (DEPTHS PICKED AT 5 MINUTE INTERVALS)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: IG
Reference Field: RF-85
Method of Applying Residual Field: LIN.INTERP.POINTS WiTHIN ONE DEGREE PLANE
Additional Documentation: ORIGINAL RECORDS ARCHIVED AT ODP, NAVIGATION ON/OFF SITES MAY BE INACCURATE DUE TO INSUFFICIENT COURSE, AND SPEED DATA.
Number of Data Records: 15608
Min/Max Data Record:
Date: 1987 08 23
Latitude: -18.73616
Longitude: +57.33065
Bathymetry, 2- Way Traveltime: 000507
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 358080
Magnetics Residual Field: -38660
Min/Max Data Record:
Date: 1987 10 17
Latitude: +20.67484
Longitude: +99.99999
Bathymetry, 2- Way Traveltime: 065427
Bathymetry, Corrected Depth: 4936.0
Magnetics Total Field, 1st Sensor: 414570
Magnetics Residual Field: +05667