Survey Identifier: F387AA


Format Acronym: MGD77
Data Center File Number: 06780047
Parameters Surveyed Code: 05503
File Creation Date (yyyymmdd): 19901231
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: M/V FARNELLA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): EDWARDS / BOHANNON
Project: WEST-CENTRAL ALEUTIAN TRENCH
Survey Departure Date (yyyymmdd): 19870829
Port of Departure: LEAVE DUTCH HARBOR
Survey Arrival Date (yyyymmdd): 19870927
Port of Arrival: ARRIVE DUTCH HARBOR
Bathymetry Instrumentation: 10 kHz BATHY 3.5 kHz BATHY
Magnetics Instrumentation: MAGNETOMETER
Seismic Instrumentation: AIR GUN MONITOR RECORD TWO CHANNEL AIR G
Formats of Seismic Data: UN TAPE
Topmost Latitude of Survey: +53
Bottommost Latitude: +47
Leftmost Longitude: +169
Rightmost Longitude: -172
General Digitizing Rate of Magnetics: 010
General Digitizing Rate of Gravity: 011
Number of Data Records: 36862

Min/Max Data Record:
Date: 1987 08 30
Latitude: +47.99890
Longitude: -179.99984
Magnetics Total Field, 1st Sensor: 457850
Magnetics Total Field, 2nd Sensor: 460394
Magnetics Residual Field: +00000
Observed Gravity: 9808409
Free-Air Anomaly: -2158

Min/Max Data Record:
Date: 1987 09 25
Latitude: +52.35390
Longitude: +179.99830
Magnetics Total Field, 1st Sensor: 494330
Magnetics Total Field, 2nd Sensor: 485793
Magnetics Residual Field: +00000
Observed Gravity: 9813543
Free-Air Anomaly: +1592