Survey Identifier: ANTV3
Format Acronym: MGD77
Data Center File Number: 83070004
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19920325
Source Institution: Alfred Wegener Inst Polar+MarineRes.AWI
Country: Fed. Rep. Germany
Platform Name: RV Polarstern
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Hempel, G.
Project: Polarstern ANT V/4
Survey Departure Date (yyyymmdd): 19860928
Port of Departure: Capetown, RSA
Survey Arrival Date (yyyymmdd): 19861214
Port of Arrival: Capetown, RSA
Navigation Instrumentation: INDAS: Satnav (GPS+NNSS), Log+Gyro
Geodetic Datum/Position: Satfix GPS, dead reckoning, interpol.
Bathymetry Instrumentation: ELAC NBS, roll/pitch compensated
Additional Forms of Bathymetric Data: analogue and digital
Topmost Latitude of Survey: -36
Bottommost Latitude: -78
Leftmost Longitude: -034
Rightmost Longitude: +017
General Digitizing Rate of Bathymetry: 003
General Sampling Rate of Bathymetry: 1/second
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: no interpolation
Additional Documentation: Suspected depth data have been verified by 3.5 kHz sediment echo sounder and, analog recordings of HONEYWELL-ELAC Narrow Beam Sounders, Navigation: linear interpolated between GPS or NNSS fixes, suspected positions, have been deleted, NBS single beam only. For details see expedition report Ber.z.Polarforschung, Vol.39, AWI, 1987.
Number of Data Records: 318835
Min/Max Data Record:
Date: 1986 09 29
Latitude: -77.17808
Longitude: -33.94261
Bathymetry, 2- Way Traveltime: 000800
Bathymetry, Corrected Depth: 60.0
Min/Max Data Record:
Date: 1986 12 13
Latitude: -36.91650
Longitude: +16.77037
Bathymetry, 2- Way Traveltime: 073920
Bathymetry, Corrected Depth: 5563.0