Survey Identifier: NBP99-6
Format Acronym: MGD77
Data Center File Number: 88010045
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19990716
Source Institution: NATIONAL SCIENCE FOUNDATION
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): RAY SMITH
Project: NATHANIEL B. PALMER CRUISE: NBP99-6
Funding: NSF
Survey Departure Date (yyyymmdd): 19990611
Port of Departure: PUNTA ARENAS CHILE
Survey Arrival Date (yyyymmdd): 19990716
Port of Arrival: PUNTA ARENAS CHILE
Navigation Instrumentation: P-CODE GPS
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: ODEC BATHY 2000 SUB-BOTTOM 3.5 KHZ CHIRP
Additional Forms of Bathymetric Data: NONE
Magnetics Instrumentation: NONE
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: -52
Bottommost Latitude: -70
Leftmost Longitude: -080
Rightmost Longitude: -061
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1/MINUTE
Assumed Sound Velocity: 1500
Bathymetric Datum Code: 00
Interpolation Scheme: 1-MIN INTERVAL
General Digitizing Rate of Gravity: 1.0
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Departure Base Station Gravity: 981320
Departure Base Station Description: PUNTA ARENAS CHILE 0216-5
Arrival Base Station Gravity: 981320
Arrival Base Station Description: PUNTA ARENAS CHILE 0216-5
Additional Documentation: DATA PROCESSED BY ANTARCTIC SUPPORT ASSOCIATES/RAYTHEON POLAR SERVICES. LONGTERM ECOLOGICAL RESEARCH ICE CRUISE
Number of Data Records: 45188
Min/Max Data Record:
Date: 1999 06 11
Latitude: -69.42821
Longitude: -79.68459
Bathymetry, Corrected Depth: 14.4
Observed Gravity: 9812597
Free-Air Anomaly: -1000
Min/Max Data Record:
Date: 1999 07 12
Latitude: -52.36474
Longitude: -61.34888
Bathymetry, Corrected Depth: 5002.8
Observed Gravity: 9826113
Free-Air Anomaly: +1701