Survey Identifier: BA75G
Format Acronym: MGD77
Data Center File Number: 09620007
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 19810609
Source Institution: NAVAL OCEAN RESEARCH AND DEV. ACTIVITY
Country: USA
Platform Name: BARTLETT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J.EGLOFF
Survey Departure Date (yyyymmdd): 19750928
Port of Departure: REYKJAVIK
Survey Arrival Date (yyyymmdd): 19751015
Port of Arrival: ST JOHNS
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: +65
Bottommost Latitude: +48
Leftmost Longitude: -051
Rightmost Longitude: -022
General Digitizing Rate of Bathymetry: 20
General Sampling Rate of Bathymetry: 1 SEC SWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 18
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: 20288
Min/Max Data Record:
Date: 1975 09 28
Latitude: +48.80200
Longitude: -50.50860
Bathymetry, 2- Way Traveltime: 002774
Bathymetry, Corrected Depth: 203.0
Magnetics Total Field, 1st Sensor: 501900
Magnetics Residual Field: -17709
Min/Max Data Record:
Date: 1975 10 14
Latitude: +64.02270
Longitude: -22.24340
Bathymetry, 2- Way Traveltime: 057224
Bathymetry, Corrected Depth: 4291.0
Magnetics Total Field, 1st Sensor: 545330
Magnetics Residual Field: +25953