Survey Identifier: 19980053
Format Acronym: MGD77
Data Center File Number: 19900002
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 20001005
Source Institution: UNITED KINGDOM HYDROGRAPHIC OFFICE
Country: UNITED KINGDOM
Platform Name: HMS MONMOUTH
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): 19980116
Port of Departure: WALVIS BAY
Survey Arrival Date (yyyymmdd): 19980122
Port of Arrival: ASCENSION ISLAND
Navigation Instrumentation: NOT KNOWN
Geodetic Datum/Position: GPS
Bathymetry Instrumentation: KELVIN HUGHES TYPE 778
Additional Forms of Bathymetric Data: ANALOGUE
Topmost Latitude of Survey: -07
Bottommost Latitude: -23
Leftmost Longitude: -015
Rightmost Longitude: 014
General Digitizing Rate of Bathymetry: 300
General Sampling Rate of Bathymetry: NOT KNOWN
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: EQUAL INTERVALS, INTERMEDIATE PEAKS AND TROUGHS
Additional Documentation: UKHO REF HH112/400/03, EVALUATED FROM ORIGINAL ECHO TRACE ANNOTATED FOR TIMES/POSITIONS. TIDAL REDUCTIONS (AT ASCENSION) APPLIED. DEPTHS MEASURED FROM SURFACE.
Number of Data Records: 192
Min/Max Data Record:
Latitude: -22.25167
Longitude: -14.43933
Bathymetry, Corrected Depth: 65.0
Min/Max Data Record:
Latitude: -7.88667
Longitude: +13.43000
Bathymetry, Corrected Depth: 5909.0