Survey Identifier: EW9211
Format Acronym: MGD77
Data Center File Number: 01210028
Parameters Surveyed Code: 51511
File Creation Date (yyyymmdd): 19961104
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): 19921110
Port of Departure: ST. GEORGE, BERMUDA
Survey Arrival Date (yyyymmdd): 19921117
Port of Arrival: JACKSONVILLE, FLORIDA
Navigation Instrumentation: MAGNAVOX MX-1107RS, T-SET & MX-4200 GPS
Geodetic Datum/Position: GPS/TRANSIT FIXES + 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: +33
Bottommost Latitude: +30
Leftmost Longitude: -082
Rightmost Longitude: -063
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 .086 MGAL/DAY, DC 4.7
Departure Base Station Gravity: 9782944
Departure Base Station Description: ACIC 0865-4
Arrival Base Station Gravity: 9798214
Arrival Base Station Description: BERMUDA BIO STATION
Additional Documentation: TIME: KINEMETRICS GPS-DC, SPEED: FURUNO CI-30, HEADING: SPERRY MK-27, SCIENCE OFFICER: J.STENNETT 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: 10881
Min/Max Data Record:
Date: 1992 11 10
Latitude: +30.40794
Longitude: -81.28767
Bathymetry, 2- Way Traveltime: 000190
Bathymetry, Corrected Depth: 14.0
Free-Air Anomaly: -0443
Min/Max Data Record:
Date: 1992 11 17
Latitude: +32.70210
Longitude: -63.92786
Bathymetry, 2- Way Traveltime: 072500
Bathymetry, Corrected Depth: 5502.0
Free-Air Anomaly: +3178