Survey Identifier: L284AN
Format Acronym: MGD77
Data Center File Number: 06050069
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870805
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Lee
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ALAN COOPER,FRED DAVEY
Project: ANTARCTICA - ROSS SEA
Survey Departure Date (yyyymmdd): 19840203
Port of Departure: LV MCMURDO
Survey Arrival Date (yyyymmdd): 19840303
Port of Arrival: ARRIVE LYTTLETON, N.Z.
Navigation Instrumentation: NAV SATELLITE / INTEGRATED NAV
Bathymetry Instrumentation: 12KHZ
Additional Forms of Bathymetric Data: ANALOG
Gravity Instrumentation: SHIPBOARD GRAVITY METER
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: 3.5KHZ,24 CHAN,SNGL CHAN AIRGUN,UNIBOOM
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: -43
Bottommost Latitude: -78
Leftmost Longitude: +163
Rightmost Longitude: -173
General Digitizing Rate of Bathymetry: 009
General Digitizing Rate of Magnetics: 009
General Digitizing Rate of Gravity: 007
Additional Documentation: SONOBOUY
Number of Data Records: 48920
Min/Max Data Record:
Date: 1984 02 03
Latitude: -77.64512
Longitude: -179.99724
Bathymetry, 2- Way Traveltime: 000670
Bathymetry, Corrected Depth: 50.0
Magnetics Total Field, 1st Sensor: 638595
Magnetics Total Field, 2nd Sensor: 639290
Magnetics Residual Field: -06552
Observed Gravity: 9805589
Free-Air Anomaly: -0898
Seismic Line Number: 401
Seismic Shot-Point Number: 41
Min/Max Data Record:
Date: 1984 03 03
Latitude: -43.59192
Longitude: +179.99866
Bathymetry, 2- Way Traveltime: 045100
Bathymetry, Corrected Depth: 3337.0
Magnetics Total Field, 1st Sensor: 664316
Magnetics Total Field, 2nd Sensor: 664259
Magnetics Residual Field: +07197
Observed Gravity: 9829895
Free-Air Anomaly: +0406
Seismic Line Number: 419
Seismic Shot-Point Number: 6359