Survey Identifier: C2611
Format Acronym: MGD77
Data Center File Number: 01010257
Parameters Surveyed Code: 55331
File Creation Date (yyyymmdd): 19910123
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERV./URI
Country: United States
Platform Name: R/V Conrad
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Dr. A. Shor
Project: c2611
Funding: AT&T
Survey Departure Date (yyyymmdd): 19850929
Port of Departure: Guam
Survey Arrival Date (yyyymmdd): 19851016
Port of Arrival: Hong Kong
Navigation Instrumentation: RANGE-RANGE LORAN, GPS, TRANSIT SATELLIT
Geodetic Datum/Position: dead reckoning
Bathymetry Instrumentation: seabeam vertical beam
Additional Forms of Bathymetric Data: 3.5 PDR
Magnetics Instrumentation: proton procession
Topmost Latitude of Survey: +21
Bottommost Latitude: +13
Leftmost Longitude: +116
Rightmost Longitude: +145
General Digitizing Rate of Bathymetry: 10
General Sampling Rate of Bathymetry: VAR W/ DEPTH
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 10
Reference Field Code: 4
Reference Field: IGRF-75
Additional Documentation: Single beam bathymetric data from DATE 851012 to 851014 are from URI processed, multibeam data with an interpolation scheme in 1 MINUTE EXTRACTIONS CLOSEST TO, THE MINUTE (VERTICAL BM)
Number of Data Records: 22902
Min/Max Data Record:
Date: 1985 09 28
Latitude: +13.45716
Longitude: +116.25755
Bathymetry, 2- Way Traveltime: 000521
Bathymetry, Corrected Depth: 39.0
Magnetics Total Field, 1st Sensor: 362770
Magnetics Residual Field: -00925
Min/Max Data Record:
Date: 1985 10 14
Latitude: +20.53308
Longitude: +144.79716
Bathymetry, 2- Way Traveltime: 086361
Bathymetry, Corrected Depth: 6554.0
Magnetics Total Field, 1st Sensor: 411260
Magnetics Residual Field: +07350