Survey Identifier: S679NP
Format Acronym: MGD77
Data Center File Number: 06110035
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870609
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Sea Sounder
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Dave Scholl
Project: Tracy Vallier Bill Menard
Survey Departure Date (yyyymmdd): 19790620
Port of Departure: LV SITKA, ALASKA
Survey Arrival Date (yyyymmdd): 19790720
Port of Arrival: AR DUTCH HARBOR, ALASKA
Navigation Instrumentation: SAT-NAV SYSTEM LORAN C RHO-RHO
Bathymetry Instrumentation: 3.5 KHZ BATHY 12 KHZ BATHY
Magnetics Instrumentation: MAGNETOMETER
Seismic Instrumentation: 160 KJ SPARKER
Topmost Latitude of Survey: +58
Bottommost Latitude: +50
Leftmost Longitude: -177
Rightmost Longitude: -135
General Digitizing Rate of Bathymetry: 14
General Digitizing Rate of Magnetics: 13
General Digitizing Rate of Gravity: 13
Number of Data Records: 37674
Min/Max Data Record:
Date: 1979 06 20
Latitude: +50.56101
Longitude: -176.42861
Bathymetry, 2- Way Traveltime: 000120
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 461890
Magnetics Residual Field: -95325
Observed Gravity: 9809329
Free-Air Anomaly: -2130
Min/Max Data Record:
Date: 1979 07 20
Latitude: +57.05993
Longitude: -135.35438
Bathymetry, 2- Way Traveltime: 103240
Bathymetry, Corrected Depth: 7866.0
Magnetics Total Field, 1st Sensor: 568849
Magnetics Residual Field: +38721
Observed Gravity: 9815542
Free-Air Anomaly: +2050