Survey Identifier: LY70C
Format Acronym: MGD77
Data Center File Number: 09260003
Parameters Surveyed Code: 55003
File Creation Date (yyyymmdd): 19810609
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): ESCOWITZ,E.
Survey Departure Date (yyyymmdd): 19700419
Port of Departure: BARBADOS
Survey Arrival Date (yyyymmdd): 19700507
Port of Arrival: ROTA,SPAIN
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE/DEAD RECONKING
Bathymetry Instrumentation: 3.5 OR 12 KHZ FATHOMETER
Additional Forms of Bathymetric Data: ANALOG
Additional Forms of Magnetics Data: ANALOG
Topmost Latitude of Survey: +38
Bottommost Latitude: +13
Leftmost Longitude: -060
Rightmost Longitude: -006
General Digitizing Rate of Bathymetry: 42
General Sampling Rate of Bathymetry: 1 SEC SWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 14
Method of Applying Residual Field: INTERPOLATION BETWEEN NAV POINTS
Number of Data Records: 17832
Min/Max Data Record:
Date: 1970 04 19
Latitude: +13.06540
Longitude: -59.45730
Bathymetry, 2- Way Traveltime: 000028
Bathymetry, Corrected Depth: 2.0
Magnetics Total Field, 1st Sensor: 382300
Magnetics Residual Field: -06770
Min/Max Data Record:
Date: 1970 05 07
Latitude: +37.02690
Longitude: -6.48010
Bathymetry, 2- Way Traveltime: 078352
Bathymetry, Corrected Depth: 5951.0
Magnetics Total Field, 1st Sensor: 432700
Magnetics Residual Field: +11825