Survey Identifier: NBP95-5
Format Acronym: MGD77
Data Center File Number: 88010013
Parameters Surveyed Code: 00500
File Creation Date (yyyymmdd): 19950917
Source Institution: NATL.SCIENCE FOUND./U.ALASKA FAIRBANKS
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MARTIN JEFFRIES
Project: NATHANIEL B. PALMER CRUISE: NBP95-5
Funding: NSF
Survey Departure Date (yyyymmdd): 19950729
Port of Departure: LYTTELTON NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19950917
Port of Arrival: PUNTA ARENAS CHILE
Navigation Instrumentation: GPS
Geodetic Datum/Position: SATELITTE
Bathymetry Instrumentation: ODEC BATHY 2000 SUB-BOTTOM 3.5 KHZ CHIRP
Additional Forms of Bathymetric Data: NONE
Magnetics Instrumentation: PROTON MAG
Additional Forms of Magnetics Data: NONE
Gravity Instrumentation: LACOSTE & ROMBERG MARINE GRAVIMETER S-36
Additional Forms of Gravity Data: NONE
Formats of Seismic Data: DIGITAL
Topmost Latitude of Survey: -43
Bottommost Latitude: -71
Leftmost Longitude: 172
Rightmost Longitude: -064
General Digitizing Rate of Bathymetry: 1.0
General Sampling Rate of Bathymetry: 1/MINUTE
Assumed Sound Velocity: 1500
Bathymetric Datum Code: 00
Interpolation Scheme: 1-MIN INTERVAL
General Digitizing Rate of Magnetics: 1.0
General Sampling Rate of Magnetics: 60
Magnetic Sensor Tow Distance: 150
Reference Field Code: 12
General Digitizing Rate of Gravity: 1.0
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 4
Theoretical Gravity Formula: IAG SYSTEM 1980
Reference System Code: 3
Reference System: POTSDAM SYSTEM
Additional Documentation: DATA PROCESSED BY ANTARCTIC SUPPORT ASSOCIATES/RAYTHEON POLAR SERVICES.
Number of Data Records: 69685
Min/Max Data Record:
Date: 1995 07 29
Latitude: -70.95169
Longitude: -180.00000
Observed Gravity: 9805397
Free-Air Anomaly: -8136
Min/Max Data Record:
Date: 1995 09 16
Latitude: -43.56571
Longitude: +180.00000
Observed Gravity: 9826846
Free-Air Anomaly: +4770