Survey Identifier: F186GA
Format Acronym: MGD77
Data Center File Number: 06780008
Parameters Surveyed Code: 55503
File Creation Date (yyyymmdd): 19901211
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Farnella
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Mike Fisher
Project: GLORIA
Survey Departure Date (yyyymmdd): 19860624
Port of Departure: YAKUTAT, ALASKA
Survey Arrival Date (yyyymmdd): 19860703
Port of Arrival: DUTCH HARBOR, ALASKA
Navigation Instrumentation: Loran C Navigation GPS Satellite Transit
Geodetic Datum/Position: Satellite
Bathymetry Instrumentation: 10 kHz Bathymetry 3.5 kHz Bathymetry
Seismic Instrumentation: 2-Channel Air Gun
Topmost Latitude of Survey: +60
Bottommost Latitude: +54
Leftmost Longitude: -166
Rightmost Longitude: -139
General Digitizing Rate of Bathymetry: 010
General Digitizing Rate of Magnetics: 009
General Digitizing Rate of Gravity: 010
Number of Data Records: 12123
Min/Max Data Record:
Date: 1986 06 24
Latitude: +54.02510
Longitude: -165.76390
Bathymetry, 2- Way Traveltime: 004980
Bathymetry, Corrected Depth: 365.0
Magnetics Total Field, 1st Sensor: 547734
Magnetics Total Field, 2nd Sensor: 548490
Magnetics Residual Field: +00000
Observed Gravity: 9814628
Free-Air Anomaly: -0789
Min/Max Data Record:
Date: 1986 07 03
Latitude: +59.58010
Longitude: -139.93330
Bathymetry, 2- Way Traveltime: 066470
Bathymetry, Corrected Depth: 4983.0
Magnetics Total Field, 1st Sensor: 565930
Magnetics Total Field, 2nd Sensor: 564141
Magnetics Residual Field: +00000
Observed Gravity: 9819852
Free-Air Anomaly: +1695