Survey Identifier: EW9205
Format Acronym: MGD77
Data Center File Number: 01210022
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): 19920512
Port of Departure: NUKU HIVA, FRENCH POLYNESIA
Survey Arrival Date (yyyymmdd): 19920526
Port of Arrival: PANAMA CANAL, PANAMA
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
Magnetics Instrumentation: NO MAGNETICS DATA COLLECTED
Gravity Instrumentation: BODENSEEWERKE KSS-30 GRAVIMETER
Seismic Instrumentation: NO SEISMIC DATA COLLECTED
Topmost Latitude of Survey: +10
Bottommost Latitude: -09
Leftmost Longitude: -141
Rightmost Longitude: -079
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 -.01304 MGAL/DAY, DC -.24
Departure Base Station Gravity: 9805081
Departure Base Station Description: ACIC 0217-0
Arrival Base Station Gravity: 9786993
Arrival Base Station Description: THT-N PAPEETE
Additional Documentation: TIME: KINEMETRICS GPS-DC, SPEED: FURUNO CI-30, HEADING: SPERRY MK-27, SCIENCE OFFICER: M.RAWSON 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: 21580
Min/Max Data Record:
Date: 1992 05 12
Latitude: -8.97922
Longitude: -140.10365
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Free-Air Anomaly: -0667
Min/Max Data Record:
Date: 1992 05 26
Latitude: +9.00844
Longitude: -79.47590
Bathymetry, 2- Way Traveltime: 066250
Bathymetry, Corrected Depth: 4987.0
Free-Air Anomaly: +2541