Survey Identifier: NAV5078
Format Acronym: ARO88
Data Center File Number: 0480-317
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 C32-853, Flight 5078 ~ 4,204 Nautical Miles
Survey Departure Date (yyyymmdd): 19880526
Survey Arrival Date (yyyymmdd): 19880527
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: 21517
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -20
Bottommost Latitude: -33
Leftmost Longitude: +080
Rightmost Longitude: +119
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: 21518
Datafile Header Info: PJCT=C32-853 FLGT= 5078 ,MTH= 5,DAY= 26, YR=1988,JDY= 147 -TO- 148
Min/Max Data Record:
Longitude: 80.8972
Latitude: -32.7339
Mag Total Intensity Calc nT: 48291
Time Gmt Sec: 0.2168
Mag East Component Obs nT: 18671
Mag North Component Obs nT: -9612
Mag Horizontal Intensity Calc nT: 20568
Mag Vertical Intensity Obs nT: -54025
Mag Declination Calc Deg: -27.2365
Mag Inclination Calc Deg: -68.4198
Mag Total Intensity Obs nT: 13892
Alt Barometric Ft: -200
Min/Max Data Record:
Longitude: 118.6704
Latitude: -20.3737
Mag Total Intensity Calc nT: 58788
Time Gmt Sec: 86398.2168
Mag East Component Obs nT: 31200
Mag North Component Obs nT: 958
Mag Horizontal Intensity Calc nT: 31209
Mag Vertical Intensity Obs nT: -41988
Mag Declination Calc Deg: 1.7765
Mag Inclination Calc Deg: -53.4284
Mag Total Intensity Obs nT: 58717
Alt Barometric Ft: 31500