Survey Identifier: CH017L03


Format Acronym: MGD77
Data Center File Number: 02010006
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 1982 527
Source Institution: WOODS HOLE OCEANOGRAPHIC INST
Country: U.S.A.
Platform Name: CHAIN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR.WILLIAM METCALF
Survey Departure Date (yyyymmdd): 19610420
Port of Departure: FREETOWN,SIERRA LEONE
Survey Arrival Date (yyyymmdd): 19610516
Port of Arrival: WOODS HOLE,U.S.A.
Navigation Instrumentation: LORAN,DR, CELESTAL,RADAR
Geodetic Datum/Position: LINER INTERPOLATION BETWEEN FIXES
Bathymetry Instrumentation: 12KHZ PGR, WIDE BEAM, 1-SECOND SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS
Topmost Latitude of Survey: +40
Bottommost Latitude: -01
Leftmost Longitude: -070
Rightmost Longitude: -013
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: ONE/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5-MINUTES AND BREAK SLOPE
Number of Data Records: 3602

Min/Max Data Record:
Date: 1961 04 20
Latitude: -0.35500
Longitude: -69.49150
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0

Min/Max Data Record:
Date: 1961 05 16
Latitude: +39.37570
Longitude: -13.54260
Bathymetry, 2- Way Traveltime: 102450
Bathymetry, Corrected Depth: 7838.0