Survey Identifier: L776BS
Format Acronym: MGD77
Data Center File Number: 06050020
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870415
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Lee
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Mike Marlow
Project: LEE776BS Alan Cooper
Survey Departure Date (yyyymmdd): 19760903
Port of Departure: LV NOME, ALASKA
Survey Arrival Date (yyyymmdd): 19760910
Port of Arrival: ARRIVE ADAK
Navigation Instrumentation: NAVIGATION SYSTEM SAT NAVIGATION DOPPLER
Geodetic Datum/Position: SONAR
Bathymetry Instrumentation: 3.5 KHZ BATHYMETRY
Seismic Instrumentation: 160 KJ SPARKER TRY MXL 6 1326 PSI AIR GU
Formats of Seismic Data: NS
Topmost Latitude of Survey: +65
Bottommost Latitude: +51
Leftmost Longitude: -177
Rightmost Longitude: -165
General Digitizing Rate of Bathymetry: 23
General Digitizing Rate of Magnetics: 10
General Digitizing Rate of Gravity: 10
Number of Data Records: 9445
Min/Max Data Record:
Date: 1976 09 03
Latitude: +51.85735
Longitude: -176.63768
Bathymetry, 2- Way Traveltime: 000190
Bathymetry, Corrected Depth: 14.0
Magnetics Total Field, 1st Sensor: 466965
Magnetics Residual Field: -21851
Observed Gravity: 9812584
Free-Air Anomaly: -0589
Min/Max Data Record:
Date: 1976 09 10
Latitude: +64.48387
Longitude: -165.40173
Bathymetry, 2- Way Traveltime: 050050
Bathymetry, Corrected Depth: 3728.0
Magnetics Total Field, 1st Sensor: 588475
Magnetics Residual Field: +96508
Observed Gravity: 9822571
Free-Air Anomaly: +1342