Survey Identifier: L877BS
Format Acronym: MGD77
Data Center File Number: 06050019
Parameters Surveyed Code: 55505
File Creation Date (yyyymmdd): 19870521
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: Alan Cooper
Survey Departure Date (yyyymmdd): 19770729
Port of Departure: LEAVE KODIAK, AK
Survey Arrival Date (yyyymmdd): 19770821
Port of Arrival: AR NOME, AK
Navigation Instrumentation: INTEGRATED NAVIGATION LORAN C RHO RHO MO
Geodetic Datum/Position: DE SATELLITE NAVIGATION LORAN-C DOPPLE
Bathymetry Instrumentation: 3.5 KHZ 12 KHZ DIGITRAK DIGITIZED BATH
Gravity Instrumentation: BRGA PROCESSING SYSTEM
Seismic Instrumentation: MULTICHAN SYST-24 AIRGUNS-VARIOUS ARRAYS
Topmost Latitude of Survey: +65
Bottommost Latitude: +54
Leftmost Longitude: +176
Rightmost Longitude: -152
General Digitizing Rate of Bathymetry: 020
General Digitizing Rate of Magnetics: 010
General Digitizing Rate of Gravity: 010
Number of Data Records: 34604
Min/Max Data Record:
Date: 1977 07 29
Latitude: +54.18317
Longitude: -179.99989
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 503630
Magnetics Total Field, 2nd Sensor: 488020
Magnetics Residual Field: -07351
Observed Gravity: 9814894
Free-Air Anomaly: -0802
Seismic Line Number: 004
Seismic Shot-Point Number: 19
Min/Max Data Record:
Date: 1977 08 21
Latitude: +64.48405
Longitude: +179.99813
Bathymetry, 2- Way Traveltime: 050580
Bathymetry, Corrected Depth: 3768.0
Magnetics Total Field, 1st Sensor: 595977
Magnetics Total Field, 2nd Sensor: 597210
Magnetics Residual Field: +89072
Observed Gravity: 9822255
Free-Air Anomaly: +1605
Seismic Line Number: 015
Seismic Shot-Point Number: 7149