Survey Identifier: L977AR
Format Acronym: MGD77
Data Center File Number: 06050057
Parameters Surveyed Code: 55555
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): Art Grantz
Survey Departure Date (yyyymmdd): 19770826
Port of Departure: LV NOME, AK
Survey Arrival Date (yyyymmdd): 19771008
Port of Arrival: AR POINT BARROW
Navigation Instrumentation: SAT-NAV SYSTEM LORAN C DOPPLER SONAR SAT
Geodetic Datum/Position: ELLITE NAVIGATION SHIPBOARD INTEGRATED
Bathymetry Instrumentation: 3.5KH BATHYMETRY
Gravity Instrumentation: BURG SEISMIC
Seismic Instrumentation: SINGLE CHANNEL SYSTEM 24 CHANNEL SEISMIC
Formats of Seismic Data: SINGLE CHANNEL AIRGUN
Topmost Latitude of Survey: +73
Bottommost Latitude: +64
Leftmost Longitude: -169
Rightmost Longitude: -140
General Digitizing Rate of Bathymetry: 064
General Digitizing Rate of Magnetics: 051
General Digitizing Rate of Gravity: 062
Number of Data Records: 57838
Min/Max Data Record:
Date: 1977 08 26
Latitude: +64.48107
Longitude: -168.62703
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 577690
Magnetics Total Field, 2nd Sensor: 577640
Magnetics Residual Field: -01861
Observed Gravity: 9822571
Free-Air Anomaly: -0078
Seismic Line Number: 702
Seismic Shot-Point Number: 40
Min/Max Data Record:
Date: 1977 10 08
Latitude: +72.76758
Longitude: -140.86706
Bathymetry, 2- Way Traveltime: 043480
Bathymetry, Corrected Depth: 3203.0
Magnetics Total Field, 1st Sensor: 583820
Magnetics Total Field, 2nd Sensor: 583780
Magnetics Residual Field: +02065
Observed Gravity: 9828080
Free-Air Anomaly: +0091
Seismic Line Number: 783
Seismic Shot-Point Number: 5350