Survey Identifier: NAV4065
Format Acronym: ARO88
Data Center File Number: 0380-006
Parameters Surveyed Code: FXD
File Creation Date (yyyymmdd): 19860326
Source Institution: US Naval Oceanographic Office
Country: INTERNATIONAL
Platform Name: RP-3D ORION
Platform Type Code: 3
Platform Type: PLANE
Chief Scientists: Jesus M. Anglero
Project: Project Magnet: Project C32-551, Flight 4065 ~ 3,694 Nautical Miles
Survey Departure Date (yyyymmdd): 19841105
Survey Arrival Date (yyyymmdd): 19841106
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: 18931
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -49
Bottommost Latitude: -61
Leftmost Longitude: -116
Rightmost Longitude: -070
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: 18933
Datafile Header Info: PJCT=C32-551 FLGT= 4065 ,MTH= 11,DAY= 5, YR=1984,JDY= 310 -TO- 310,RCD= 18934,NAV=ESG ,CMP=INS1
Min/Max Data Record:
Longitude: -115.0095
Latitude: -60.0604
Mag Total Intensity Calc nT: 33722
Time Gmt Sec: 0.1768
Mag East Component Obs nT: 16977
Mag North Component Obs nT: 5806
Mag Horizontal Intensity Calc nT: 21644
Mag Vertical Intensity Obs nT: -46147
Mag Declination Calc Deg: 15.1682
Mag Inclination Calc Deg: -64.8671
Mag Total Intensity Obs nT: 35693
Alt Barometric Ft: 361
Min/Max Data Record:
Longitude: -70.8213
Latitude: -49.8846
Mag Total Intensity Calc nT: 50977
Time Gmt Sec: 86399.6777
Mag East Component Obs nT: 21516
Mag North Component Obs nT: 13478
Mag Horizontal Intensity Calc nT: 23443
Mag Vertical Intensity Obs nT: -25391
Mag Declination Calc Deg: 38.3527
Mag Inclination Calc Deg: -48.7496
Mag Total Intensity Obs nT: 50966
Alt Barometric Ft: 27000