Survey Identifier: ODP144JR
Format Acronym: MGD77
Data Center File Number: 23060048
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19
Source Institution: TEXAS A+M UNIV. OCEAN DRILLING PROGRAM
Country: USA
Platform Name: JOIDESRESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.HAGGERTY,PREMOLI-SILVA,F.RACK
Project: OCEAN DRILLING PROGRAM LEG 144
Survey Departure Date (yyyymmdd): 19920524
Port of Departure: MAJURO, MARSHALL IS.
Survey Arrival Date (yyyymmdd): 19920720
Port of Arrival: YOKOHAMA, JAPAN
Navigation Instrumentation: MAGNAVOX TRANSIT & GPS & LORAN C
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: WATERGUNS
Formats of Seismic Data: ANAL.REC., 35MM FILM< DIGITAL MAG TAPE
Topmost Latitude of Survey: +35
Bottommost Latitude: +05
Leftmost Longitude: +144
Rightmost Longitude: +173
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. 1 MINUTE GPS FIXES ARE USED ON THE SURVEY BEFORE THE, SITE WHEN AVAILABLE AND SPEEDS ARE SET TO ZERO IF UNKNOWN. THIS RESULTS IN, LINEAR INTERPOLATION BETWEEN ONE MINUTE FIXES.
Number of Data Records: 15131
Min/Max Data Record:
Date: 1992 05 23
Latitude: +5.37710
Longitude: +144.24275
Bathymetry, 2- Way Traveltime: 000280
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 331090
Magnetics Residual Field: -11716
Min/Max Data Record:
Date: 1992 07 14
Latitude: +34.23750
Longitude: +172.35033
Bathymetry, 2- Way Traveltime: 082280
Bathymetry, Corrected Depth: 6235.0
Magnetics Total Field, 1st Sensor: 444710
Magnetics Residual Field: +05813