Survey Identifier: 19970252


Format Acronym: MGD77
Data Center File Number: 19170018
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19980721
Source Institution: UNITED KINGDOM HYDROGRAPHIC OFFICE
Country: UNITED KINGDOM
Platform Name: HMS HERALD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HYDROGRAPHER OF THE NAVY
Project: HI695 PASSAGE SOUNDINGS LEG 2
Funding: MINISTRY OF DEFENCE
Survey Departure Date (yyyymmdd): 19970407
Port of Departure: DIEGO GARCIA
Survey Arrival Date (yyyymmdd): 19970723
Port of Arrival: PLYMOUTH, UNITED KINGDOM
Navigation Instrumentation: CENTURION GPS
Geodetic Datum/Position: P CODE GPS
Bathymetry Instrumentation: KELVIN HUGHES TYPE 780 & SIMRAD EA500
Additional Forms of Bathymetric Data: ANALOGUE
Topmost Latitude of Survey: 50
Bottommost Latitude: 33
Leftmost Longitude: -010
Rightmost Longitude: 033
General Sampling Rate of Bathymetry: NOT KNOWN
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
Additional Documentation: UNITED KINGDOM HYDROGRAPHIC OFFICE REFERENCE HH090/695/01, IHO SP44 CLASSIFICATION = 1D 3D 1G 1G WGD, DATA WERE SUB-SAMPLED BY NGDC TO REDUCE 102344 DATA POINTS TO 33309 POINTS, CHOOSING POINTS NO CLOSER THAN 0.05 NAUTICAL MILES.
Number of Data Records: 33309

Min/Max Data Record:
Latitude: +33.61728
Longitude: -9.77926
Bathymetry, Corrected Depth: 67.6

Min/Max Data Record:
Latitude: +49.52623
Longitude: +32.79605
Bathymetry, Corrected Depth: 4920.0