Survey Identifier: EW9010
Format Acronym: MGD77
Data Center File Number: 01210040
Parameters Surveyed Code: 31331
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): NONE
Project: TRANSIT
Funding: UNFUNDED
Survey Departure Date (yyyymmdd): 19901201
Port of Departure: NEWARK, NEW JERSEY
Survey Arrival Date (yyyymmdd): 19901212
Port of Arrival: RECIFE, BRAZIL
Navigation Instrumentation: MAGNAVOX MX-1107RS TRANSIT, T-SET GPS
Geodetic Datum/Position: GPS/SATELLITE/LORAN + SPEED/HEADING
Bathymetry Instrumentation: ATLAS HYDROSWEEP-DS MULTIBEAM SONAR
Additional Forms of Bathymetric Data: RAYTHEON 3.5KHZ PDR
Magnetics Instrumentation: NO MAGNETICS DATA COLLECTED
Gravity Instrumentation: BODENSEEWERKE KSS-30 GRAVIMETER
Additional Forms of Gravity Data: BELL BGM-3 GRAVIMETER
Seismic Instrumentation: NO SEISMIC DATA COLLECTED
Topmost Latitude of Survey: +41
Bottommost Latitude: -01
Leftmost Longitude: -075
Rightmost Longitude: -038
General Digitizing Rate of Bathymetry: 010
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 1-MINUTE INTERVALS
Reference Field Code: 00
General Digitizing Rate of Gravity: 010
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL 30
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Corrections Applied: DRIFT -.04125 MGAL/DAY, DC 6.8
Departure Base Station Gravity: 9802410
Departure Base Station Description: OCEANOGRAPHY 106, LDEO
Arrival Base Station Gravity: 9781761
Arrival Base Station Description: DOD02242-3
Additional Documentation: TIME: KINEMETRICS 468-DC, SPEED: FURUNO CI-30, HEADING: SPERRY MK-27, LORAN: INTERNAV LC-408, DMEC NORTHSTAR-6000, SCIENCE OFFICER: T.AITKEN COMPUTER SYSTEMS: W.ROBINSON, 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: 15995
Min/Max Data Record:
Date: 1990 12 01
Latitude: -0.11254
Longitude: -74.10611
Min/Max Data Record:
Date: 1990 12 12
Latitude: +40.64901
Longitude: -38.08782