Survey Identifier: NBP98-7


Format Acronym: MGD77
Data Center File Number: 88010042
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19981220
Source Institution: RICE UNIVERSITY
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ROB DUNBAR
Project: NATHANIEL B. PALMER CRUISE: NBP98-7
Funding: NSF
Survey Departure Date (yyyymmdd): 19981102
Port of Departure: LYTTELTON NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19981220
Port of Arrival: LYTTELTON NEW ZEALAND
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: NONE
Additional Forms of Gravity Data: NONE
Seismic Instrumentation: NONE
Formats of Seismic Data: DIGITAL
Topmost Latitude of Survey: -43
Bottommost Latitude: -79
Leftmost Longitude: 163
Rightmost Longitude: -163
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: 020
Additional Documentation: DATA PROCESSED BY ANTARCTIC SUPPORT ASSOCIATES/RAYTHEON POLAR SERVICES.
Number of Data Records: 56052

Min/Max Data Record:
Date: 1998 11 01
Latitude: -78.40016
Longitude: -179.99890
Bathymetry, 2- Way Traveltime: 000271
Bathymetry, Corrected Depth: 20.0
Observed Gravity: 9816274
Free-Air Anomaly: -0365

Min/Max Data Record:
Date: 1998 12 12
Latitude: -43.56542
Longitude: +179.99950
Bathymetry, 2- Way Traveltime: 052901
Bathymetry, Corrected Depth: 3935.0
Observed Gravity: 9819566
Free-Air Anomaly: +0002