Survey Identifier: T274EG
Format Acronym: MGD77
Data Center File Number: 06350004
Parameters Surveyed Code: 05500
File Creation Date (yyyymmdd): 19870413
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Tommy Thompso
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Roland Von Huene
Project: EGAL74XA Terry Bruns
Survey Departure Date (yyyymmdd): 19740914
Port of Departure: DEPART HUENEME
Survey Arrival Date (yyyymmdd): 19740930
Port of Arrival: AR HUENEME END LEG
Topmost Latitude of Survey: +61
Bottommost Latitude: +58
Leftmost Longitude: -147
Rightmost Longitude: -140
General Digitizing Rate of Magnetics: 228
General Digitizing Rate of Gravity: 201
Number of Data Records: 898
Min/Max Data Record:
Date: 1974 09 14
Latitude: +58.83815
Longitude: -146.57498
Magnetics Total Field, 1st Sensor: 558937
Magnetics Total Field, 2nd Sensor: 559513
Magnetics Residual Field: -06623
Observed Gravity: 9818243
Free-Air Anomaly: -0642
Min/Max Data Record:
Date: 1974 09 30
Latitude: +60.14833
Longitude: -140.09998
Magnetics Total Field, 1st Sensor: 568208
Magnetics Total Field, 2nd Sensor: 565638
Magnetics Residual Field: +04049
Observed Gravity: 9819977
Free-Air Anomaly: +0651