Survey Identifier: P584AT
Format Acronym: MGD77
Data Center File Number: 06910008
Parameters Surveyed Code: 00500
File Creation Date (yyyymmdd): 19870810
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Powell
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Byron Ruppel
Survey Departure Date (yyyymmdd): 19840917
Port of Departure: LV PORTLAND, MAINE
Survey Arrival Date (yyyymmdd): 19841002
Port of Arrival: AR PORTLAND, MAINE
Navigation Instrumentation: TRANSIT SAT MICROLOGIC AND NORTHSTAR DO
Geodetic Datum/Position: PPLER SONAR
Topmost Latitude of Survey: +45
Bottommost Latitude: +43
Leftmost Longitude: -071
Rightmost Longitude: -057
General Digitizing Rate of Gravity: 11
Number of Data Records: 21349
Min/Max Data Record:
Date: 1984 09 17
Latitude: +43.09350
Longitude: -70.25768
Observed Gravity: 9804186
Free-Air Anomaly: -0579
Min/Max Data Record:
Date: 1984 10 02
Latitude: +44.89888
Longitude: -57.29451
Observed Gravity: 9806301
Free-Air Anomaly: +0882