Survey Identifier: NAV2032
Format Acronym: ARO88
Data Center File Number: 0480-153
Parameters Surveyed Code: FXD
File Creation Date (yyyymmdd): 19890906
Source Institution: US Naval Oceanographic Office
Country: INTERNATIONAL
Platform Name: RP-3D ORION
Platform Type Code: 3
Platform Type: PLANE
Chief Scientists: Fred M. Valentine
Project: Project Magnet: Project C32-552, Flight 2032 ~ 3,451 Nautical Miles
Survey Departure Date (yyyymmdd): 19850212
Survey Arrival Date (yyyymmdd): 19850213
Flight Line Spacings: Single Flight Line, Variable Directions
Magnetometers Used: Vector and Scalar Magnetometers
Aircraft Altitude: 25,000 FT AG
Aircraft Velocity: 240 Knots
Sampling Rate: 2
Sensor Tow Distance: STINGER
Total Observations: 18427
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -07
Bottommost Latitude: -35
Leftmost Longitude: -056
Rightmost Longitude: -014
Archive NGDC Tape Letter: W
Additional Documentation: To remove high frequency noise, a low pass filter has been applied to all the, flight line data above 15,000 feet. Data at the beginning and end of a flight, are noisy because the aircraft is maneuvering during it's climb or descent to, or from survey altitude which is approximately 25,000 feet. Data below 15,000, feet or climb and descent data are not smoothed.
Number of Data Records: 18429
Datafile Header Info: PJCT=C32-552 FLGT= 2032 ,MTH= 2,DAY= 12, YR=1985,JDY= 43 -TO- 43,RCD= 18430,NAV=ESG ,CMP=INS2
Min/Max Data Record:
Longitude: -55.6885
Latitude: -34.9949
Mag Total Intensity Calc nT: 23791
Time Gmt Sec: 0.0645
Mag East Component Obs nT: 15523
Mag North Component Obs nT: -9109
Mag Horizontal Intensity Calc nT: 16964
Mag Vertical Intensity Obs nT: -18044
Mag Declination Calc Deg: -24.8224
Mag Inclination Calc Deg: -46.4590
Mag Total Intensity Obs nT: 23806
Alt Barometric Ft: 1058
Min/Max Data Record:
Longitude: -14.3029
Latitude: -7.9831
Mag Total Intensity Calc nT: 28714
Time Gmt Sec: 86398.0664
Mag East Component Obs nT: 22056
Mag North Component Obs nT: -2088
Mag Horizontal Intensity Calc nT: 23277
Mag Vertical Intensity Obs nT: -11407
Mag Declination Calc Deg: -6.1227
Mag Inclination Calc Deg: -26.1078
Mag Total Intensity Obs nT: 28716
Alt Barometric Ft: 22900