Survey Identifier: ODP149JR


Format Acronym: MGD77
Data Center File Number: 23060052
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): D.SAWYER,R.WHITMARSH,A.KLAUS
Project: OCEAN DRILLING PROGRAM LEG 149
Survey Departure Date (yyyymmdd): 19930314
Port of Departure: PANAMA CANAL ZONE
Survey Arrival Date (yyyymmdd): 19930525
Port of Arrival: LISBON, PORTUGAL
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: AIRGUNS
Formats of Seismic Data: ANAL.REC., 35MM FILM, DIGITAL MAG TAPE
Topmost Latitude of Survey: +41
Bottommost Latitude: +09
Leftmost Longitude: -080
Rightmost Longitude: -009
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-90
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE PLANE
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER-SIO FOR OCEAN DRILLING PROJECT. 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: 25544

Min/Max Data Record:
Date: 1993 03 15
Latitude: +9.44050
Longitude: -79.89316
Bathymetry, 2- Way Traveltime: 001240
Bathymetry, Corrected Depth: 93.0
Magnetics Total Field, 1st Sensor: 363630
Magnetics Residual Field: -04281

Min/Max Data Record:
Date: 1993 05 25
Latitude: +40.89650
Longitude: -9.16667
Bathymetry, 2- Way Traveltime: 106507
Bathymetry, Corrected Depth: 8176.0
Magnetics Total Field, 1st Sensor: 446430
Magnetics Residual Field: +07240