Survey Identifier: FAR281L1


Format Acronym: MGD77
Data Center File Number: 19120001
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19850207
Source Institution: INSTITUTE OF OCEANOGRAPHIC SCIENCES, UK
Country: UNITED KINGDOM
Platform Name: FARNELLA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): M. L. SOMERS
Project: FARNELLA CRUISE 2/81 LEG 1
Funding: N.E.R.C.
Survey Departure Date (yyyymmdd): 19810926
Port of Departure: HULL, ENGLAND
Survey Arrival Date (yyyymmdd): 19811013
Port of Arrival: ST. JOHNS, CANADA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIME SAT
Bathymetry Instrumentation: PRECISION ECHO SOUNDER - IOS MK 3
Additional Forms of Bathymetric Data: ANALOGUE
Magnetics Instrumentation: BARINGER PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOGUE
Gravity Instrumentation: LACOSTE AND ROMBERG S84
Additional Forms of Gravity Data: ANALOGUE
Topmost Latitude of Survey: +53
Bottommost Latitude: +47
Leftmost Longitude: -050
Rightmost Longitude: -039
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 2/SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 020
General Sampling Rate of Magnetics: 02
Magnetic Sensor Tow Distance: 250
Reference Field Code: 04
Reference Field: IGRF-75
Method of Applying Residual Field: LINEAR INTERPOLATION PER DEGREE SQUARE
General Digitizing Rate of Gravity: 060
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: CROSS COUPLING + EOTVOS
Departure Base Station Gravity: 9813797
Departure Base Station Description: HULL ALEXANDRA QUAY ENTRANCE
Arrival Base Station Gravity: 9808283
Arrival Base Station Description: ST JOHNS 9363-74
Additional Documentation: BASE STATION TIES WERE ALONGSIDE CONNECTIONS TO STATIONS GIVEN, FURTHER GRAVITY INFORMATION FROM RVS,BARRY,WALES
Number of Data Records: 12337

Min/Max Data Record:
Date: 1981 09 26
Latitude: +47.29790
Longitude: -49.04390
Bathymetry, Corrected Depth: 90.0
Magnetics Total Field, 1st Sensor: 398280
Magnetics Residual Field: -20940
Free-Air Anomaly: -3870

Min/Max Data Record:
Date: 1981 10 13
Latitude: +52.51570
Longitude: -39.21200
Bathymetry, Corrected Depth: 4619.0
Magnetics Total Field, 1st Sensor: 533620
Magnetics Residual Field: +01390
Free-Air Anomaly: +6890