Survey Identifier: NBP99-1

Format Acronym: MGD77
Data Center File Number: 88010024
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19990207
Source Institution: NSF / U. CALIF. SANTA CRUZ / U. ALABAMA
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): M. GOWING/D. CARON/M. JEFFRIES
Project: NATHANIEL B. PALMER CRUISE: NBP99-1
Funding: NSF
Survey Departure Date (yyyymmdd): 19981226
Port of Departure: LYTTELTON NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19990207
Port of Arrival: MCMURDO STATION ANTARCTICA
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: 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: -79
Leftmost Longitude: 172
Rightmost Longitude: -134
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 Magnetics: 1.0
General Sampling Rate of Magnetics: 60
Magnetic Sensor Tow Distance: 150M
Reference Field Code: 88
Reference Field: IGRF95
General Digitizing Rate of Gravity: 1.0
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Additional Documentation: DATA PROCESSED BY ANTARCTIC SUPPORT ASSOCIATES/RAYTHEON POLAR SERVICES.
Number of Data Records: 56997

Min/Max Data Record:
Date: 1998 12 26
Latitude: -78.47609
Longitude: -179.99840
Bathymetry, Corrected Depth: 7.2
Observed Gravity: 9805500
Free-Air Anomaly: -0090

Min/Max Data Record:
Date: 1999 02 04
Latitude: -43.56676
Longitude: +179.99910
Bathymetry, Corrected Depth: 6198.5
Observed Gravity: 9807889
Free-Air Anomaly: +0389