Survey Identifier: ANTIII3

Format Acronym: MGD77
Data Center File Number: 83070001
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19920312
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 III/3
Survey Departure Date (yyyymmdd): 19850102
Port of Departure: Punta Arenas, CH
Survey Arrival Date (yyyymmdd): 19850305
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: -38
Bottommost Latitude: -78
Leftmost Longitude: -046
Rightmost Longitude: +016
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, For details see expedition report Ber.z.Polarforschung, Vol.25, AWI, 1985.
Number of Data Records: 168870

Min/Max Data Record:
Date: 1985 01 15
Latitude: -77.74089
Longitude: -46.00700
Bathymetry, 2- Way Traveltime: 001213
Bathymetry, Corrected Depth: 91.0

Min/Max Data Record:
Date: 1985 03 03
Latitude: -38.24852
Longitude: +15.43653
Bathymetry, 2- Way Traveltime: 072293
Bathymetry, Corrected Depth: 5396.0