Survey Identifier: VI49
Format Acronym: MGD77
Data Center File Number: 77030003
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19800407
Source Institution: BUREAU GRAVIMETRIQUE INTERNATIONAL
Country: U.S.S.R.
Platform Name: VITYAZ
Platform Type Code: 1
Platform Type: SHIP
Survey Departure Date (yyyymmdd): 19701114
Survey Arrival Date (yyyymmdd): 19710323
Topmost Latitude of Survey: +43
Bottommost Latitude: -47
Leftmost Longitude: +132
Rightmost Longitude: -172
General Digitizing Rate of Bathymetry: 189
General Digitizing Rate of Gravity: 188
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: SYSTEM IGSN 71
Number of Data Records: 6993
Min/Max Data Record:
Date: 1970 11 14
Latitude: -46.57000
Longitude: -179.99500
Bathymetry, Corrected Depth: 43.0
Observed Gravity: 9778572
Free-Air Anomaly: -3000
Min/Max Data Record:
Date: 1971 03 23
Latitude: +42.65670
Longitude: +179.99999
Bathymetry, Corrected Depth: 9284.0
Observed Gravity: 9808214
Free-Air Anomaly: +2267