Survey Identifier: EW9001
Format Acronym: MGD77
Data Center File Number: 01210043
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19951118
Source Institution: LAMONT-DOHERTY EARTH OBSERVATORY (LDEO)
Country: USA
Platform Name: R/V MAURICE EWING
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.DIEBOLD
Project: TRANSIT LEG / SHAKEDOWN
Funding: UNFUNDED
Survey Departure Date (yyyymmdd): 19900613
Port of Departure: NEW ORLEANS, LOUISIANA
Survey Arrival Date (yyyymmdd): 19900618
Port of Arrival: MIAMI, FLORIDA
Navigation Instrumentation: MAGNAVOX MX-1107RS TRANSIT, T-SET GPS
Geodetic Datum/Position: GPS/SATELLITE FIXES + SPEED/HEADING
Bathymetry Instrumentation: ATLAS HYDROSWEEP-DS MULTIBEAM SONAR
Additional Forms of Bathymetric Data: RAYTHEON 3.5KHZ PDR
Magnetics Instrumentation: VARIAN V-75 MAGNETOMETER
Gravity Instrumentation: NO GRAVITY DATA COLLECTED
Seismic Instrumentation: NO SEISMIC DATA COLLECTED
Topmost Latitude of Survey: +31
Bottommost Latitude: +24
Leftmost Longitude: -091
Rightmost Longitude: -080
General Digitizing Rate of Bathymetry: 010
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 1-MINUTE INTERVALS
General Digitizing Rate of Magnetics: 010
Reference Field Code: 12
Reference Field: IGRF-85
Method of Applying Residual Field: BILINEAR INTERPOLATION IN 1-DEGREE SQUARE
Theoretical Gravity Formula Code: 8
Additional Documentation: TIME: KINEMETRICS 468-DC, SPEED: FURUNO CI-30, HEADING: SPERRY MK-27, SCIENCE OFFICER: T.AITKEN COMPUTER SYSTEMS: S.BUDHYPRAMONO, DATA REDUCED BY LDEO MARINE OFFICE DATA REDUCTION GROUP, CONTACT LDEO MG&G ARCHIVIST WITH QUESTIONS/PROBLEMS: MGGDB@LDEO.COLUMBIA.EDU, ORIGINAL RECORDS ARCHIVED AT LDEO
Number of Data Records: 7404
Min/Max Data Record:
Date: 1990 06 13
Latitude: +24.16110
Longitude: -90.03299
Bathymetry, 2- Way Traveltime: 000230
Bathymetry, Corrected Depth: 17.0
Magnetics Total Field, 1st Sensor: 460770
Magnetics Residual Field: -07980
Min/Max Data Record:
Date: 1990 06 18
Latitude: +30.02817
Longitude: -80.00740
Bathymetry, 2- Way Traveltime: 045850
Bathymetry, Corrected Depth: 3446.0
Magnetics Total Field, 1st Sensor: 473650
Magnetics Residual Field: -02770