Survey Identifier: NBP99-5
Format Acronym: MGD77
Data Center File Number: 88010044
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19990606
Source Institution: SCRIPPS INSTITUTE OF OCEANOGRAPHY
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LEROY DORMAN/DOUGLAS WIENS
Project: NATHANIEL B. PALMER CRUISE: NBP99-5
Funding: NSF
Survey Departure Date (yyyymmdd): 19990513
Port of Departure: PUNTA ARENAS CHILE
Survey Arrival Date (yyyymmdd): 19990606
Port of Arrival: PUNTA ARENAS CHILE
Navigation Instrumentation: P-CODE GPS
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: BATHYSUB-BOTTOM3.5KHZCHIRP,SEABEAM 12KHZ
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: -66
Leftmost Longitude: -071
Rightmost Longitude: -054
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. SEABEAM 2112 CENTER BEAM USED FOR BATHYMETRY. BATHYMETRY DATA CORRECTED USING, XBT PROBE AND LEVITUS DAT OR CTD CAST DATA
Number of Data Records: 30208
Min/Max Data Record:
Date: 1999 05 14
Latitude: -65.39127
Longitude: -70.90604
Bathymetry, Corrected Depth: 3.5
Magnetics Total Field, 1st Sensor: 364147
Magnetics Residual Field: -02839
Observed Gravity: 9816375
Free-Air Anomaly: -1036
Min/Max Data Record:
Date: 1999 06 04
Latitude: -52.35474
Longitude: -54.91870
Bathymetry, Corrected Depth: 5222.1
Magnetics Total Field, 1st Sensor: 382018
Magnetics Residual Field: +16453
Observed Gravity: 9823462
Free-Air Anomaly: +1485