Survey Identifier: 19920046
Format Acronym: MGD77
Data Center File Number: 19030011
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): 19890425
Port of Departure: NOT KNOWN
Survey Arrival Date (yyyymmdd): 19890425
Port of Arrival: MACEIO, 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: -09
Bottommost Latitude: -10
Leftmost Longitude: -036
Rightmost Longitude: -034
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 HH657/430/01, DEPTHS ARE CORRECTED FOR THE OBSERVED SPEED OF SOUND AT START OF SURVEY.
Number of Data Records: 120
Min/Max Data Record:
Latitude: -9.70500
Longitude: -35.67469
Bathymetry, Corrected Depth: 23.5
Min/Max Data Record:
Latitude: -9.19886
Longitude: -34.90443
Bathymetry, Corrected Depth: 468.0