Survey Identifier: 19920045
Format Acronym: MGD77
Data Center File Number: 19030010
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19921113
Source Institution: UNITED KINGDOM HYDROGRAPHIC OFFICE
Country: UNITED KINGDOM
Platform Name: HMS HECLA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HYDROGRAPHER OF THE NAVY
Project: PASSAGE SOUNDINGS
Funding: MINISTRY OF DEFENCE
Survey Departure Date (yyyymmdd): 19890330
Port of Departure: NOT KNOWN
Survey Arrival Date (yyyymmdd): 19890330
Port of Arrival: VITORIA, BRAZIL
Navigation Instrumentation: NOT KNOWN
Geodetic Datum/Position: TRANSIT SATELLITE
Bathymetry Instrumentation: KELVIN HUGHES TYPE 780
Additional Forms of Bathymetric Data: ANALOGUE
Topmost Latitude of Survey: -20
Bottommost Latitude: -21
Leftmost Longitude: -041
Rightmost Longitude: -039
General Sampling Rate of Bathymetry: NOT KNOWN
Assumed Sound Velocity: 15400
Bathymetric Datum Code: 11
Interpolation Scheme: PEAKS, TROUGHS AND CHANGE OF SLOPE
Reference Field Code: 00
Additional Documentation: IHO SP44 CLASSIFICATION 1E 3D 1E 1D WGD, DIGITISED BY THE UNITED KINGDOM HO FROM ANALOGUE PLOTTING SHEETS, UNITED KINGDOM HYDROGRAPHIC OFFICE REFERENCE HH657/470/01, DEPTHS ARE CORRECTED FOR THE OBSERVED SPEED OF SOUND AT START OF SURVEY.
Number of Data Records: 71
Min/Max Data Record:
Latitude: -20.70738
Longitude: -40.21750
Bathymetry, Corrected Depth: 33.0
Min/Max Data Record:
Latitude: -20.43067
Longitude: -39.90804
Bathymetry, Corrected Depth: 538.0