Survey Identifier: LY72A
Format Acronym: MGD77
Data Center File Number: 09260012
Parameters Surveyed Code: 55003
File Creation Date (yyyymmdd): 19810604
Source Institution: NAVAL OCEAN RESEARCH AND DEV. ACTIVITY
Country: U.S.A.
Platform Name: USNS LYNCH
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): JOHNSON,G.L.
Survey Departure Date (yyyymmdd): 19720707
Port of Departure: SOUTHPORT
Survey Arrival Date (yyyymmdd): 19720720
Port of Arrival: REYJAVIK
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE/DEAD RECONKING
Bathymetry Instrumentation: 3.5 ON 12KHZ FATHOMETER
Additional Forms of Bathymetric Data: ANALOG
Additional Forms of Magnetics Data: ANALOG
Topmost Latitude of Survey: +64
Bottommost Latitude: +35
Leftmost Longitude: -074
Rightmost Longitude: -024
General Digitizing Rate of Bathymetry: 58
General Sampling Rate of Bathymetry: 1 SEC SWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 48
Method of Applying Residual Field: INTERPOLATION BETWEEN NAV POINTS
Number of Data Records: 6981
Min/Max Data Record:
Date: 1972 07 07
Latitude: +35.54700
Longitude: -73.18410
Bathymetry, 2- Way Traveltime: 000501
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 503210
Magnetics Residual Field: -98373
Min/Max Data Record:
Date: 1972 07 20
Latitude: +63.49050
Longitude: -1.87930
Bathymetry, 2- Way Traveltime: 070754
Bathymetry, Corrected Depth: 5362.0
Magnetics Total Field, 1st Sensor: 541170
Magnetics Residual Field: +15325