Survey Identifier: NAV5081
Format Acronym: ARO88
Data Center File Number: 0480-299
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 C32-843, Flight 5081 ~ 4,183 Nautical Miles
Survey Departure Date (yyyymmdd): 19880428
Survey Arrival Date (yyyymmdd): 19880429
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: 23474
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -16
Bottommost Latitude: -48
Leftmost Longitude: +030
Rightmost Longitude: +048
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: 23474
Datafile Header Info: PJCT=C32-853 FLGT= 5081 ,MTH= 4,DAY= 28, YR=1988,JDY= 119 -TO- 120,RCD= 23475,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: 30.8595
Latitude: -47.1850
Mag Total Intensity Calc nT: 28851
Time Gmt Sec: 1.2441
Mag East Component Obs nT: 11285
Mag North Component Obs nT: -8502
Mag Horizontal Intensity Calc nT: 13140
Mag Vertical Intensity Obs nT: -27766
Mag Declination Calc Deg: -35.3402
Mag Inclination Calc Deg: -63.3801
Mag Total Intensity Obs nT: 28851
Alt Barometric Ft: 4000
Min/Max Data Record:
Longitude: 47.5083
Latitude: -16.9253
Mag Total Intensity Calc nT: 34570
Time Gmt Sec: 86398.7441
Mag East Component Obs nT: 20643
Mag North Component Obs nT: -2666
Mag Horizontal Intensity Calc nT: 21033
Mag Vertical Intensity Obs nT: -25583
Mag Declination Calc Deg: -7.7329
Mag Inclination Calc Deg: -51.5608
Mag Total Intensity Obs nT: 34568
Alt Barometric Ft: 27200