Survey Identifier: LY73H
Format Acronym: MGD77
Data Center File Number: 09260023
Parameters Surveyed Code: 05000
File Creation Date (yyyymmdd): 19810609
Source Institution: NAVAL OCEAN RESEARCH AND DEV. ACTIVITY
Country: USA
Platform Name: LYNCH
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): P.T.TAYLOR
Survey Departure Date (yyyymmdd): 19731203
Port of Departure: TERCIERA
Survey Arrival Date (yyyymmdd): 19731219
Port of Arrival: BERMUDA
Navigation Instrumentation: SATALLITE
Geodetic Datum/Position: SATELLITE/DEAD RECONKING
Bathymetry Instrumentation: 3.5 OR 12 KHZ FATHOMETER
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG
Topmost Latitude of Survey: +39
Bottommost Latitude: +32
Leftmost Longitude: -065
Rightmost Longitude: -027
General Sampling Rate of Bathymetry: 1 SEC SWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 35
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 1000
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: INTERPOLATION BETWEEN NAV POINTS
Number of Data Records: 4817
Min/Max Data Record:
Date: 1973 12 03
Latitude: +32.41020
Longitude: -64.28960
Magnetics Total Field, 1st Sensor: 441580
Magnetics Residual Field: -09536
Min/Max Data Record:
Date: 1973 12 19
Latitude: +38.29690
Longitude: -27.64740
Magnetics Total Field, 1st Sensor: 514660
Magnetics Residual Field: +05467