Survey Identifier: F187BS
Format Acronym: MGD77
Data Center File Number: 06780044
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): COOPER / HUNTER
Project: BOWERS RIDG AREA, ALEUTIAN BASIN
Survey Departure Date (yyyymmdd): 19870628
Port of Departure: start cruise
Survey Arrival Date (yyyymmdd): 19870726
Port of Arrival: end cruise
Navigation Instrumentation: gps satellite loran c rho-rho transit sa
Geodetic Datum/Position: tellite
Bathymetry Instrumentation: 10KH bathymetry 3.5KH bathymetry
Seismic Instrumentation: 2 channel airgun
Topmost Latitude of Survey: +57
Bottommost Latitude: +51
Leftmost Longitude: +169
Rightmost Longitude: -179
General Digitizing Rate of Magnetics: 004
General Digitizing Rate of Gravity: 004
Number of Data Records: 95152
Min/Max Data Record:
Date: 1987 06 30
Latitude: +51.65820
Longitude: -179.99949
Magnetics Total Field, 1st Sensor: 452353
Magnetics Total Field, 2nd Sensor: 466249
Magnetics Residual Field: -48104
Observed Gravity: 9812129
Free-Air Anomaly: -1179
Seismic Line Number: 180
Seismic Shot-Point Number: 1
Min/Max Data Record:
Date: 1987 07 24
Latitude: +56.28390
Longitude: +179.99993
Magnetics Total Field, 1st Sensor: 530179
Magnetics Total Field, 2nd Sensor: 557240
Magnetics Residual Field: +35490
Observed Gravity: 9816524
Free-Air Anomaly: +1732
Seismic Line Number: 247
Seismic Shot-Point Number: 9762