Survey Identifier: NAV2078


Format Acronym: ARO88
Data Center File Number: 0570-010
Parameters Surveyed Code: FXD
File Creation Date (yyyymmdd): 19940506
Source Institution: US Naval Oceanographic Office
Country: INTERNATIONAL
Platform Name: RP-3D ORION
Platform Type Code: 3
Platform Type: PLANE
Chief Scientists: Donald R. Wilson
Project: Project Magnet: Project D32-452: Flight 2078 ~ 3,803 Nautical Miles
Survey Departure Date (yyyymmdd): 19940322
Survey Arrival Date (yyyymmdd): 19940323
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: 20691
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +17
Bottommost Latitude: -13
Leftmost Longitude: -060
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: 20691
Datafile Header Info: PJCT=D32-452 FLGT= 2078 ,MTH= 3,DAY= 22, YR=1994,JDY= 81 -TO- 82,RCD= 20693,NAV=GPS ,CMP=RLG

Min/Max Data Record:
Longitude: -59.2185
Latitude: -12.0049
Mag Total Intensity Calc nT: 24941
Time Gmt Sec: 1.0310
Mag East Component Obs nT: 20029
Mag North Component Obs nT: -9962
Mag Horizontal Intensity Calc nT: 21624
Mag Vertical Intensity Obs nT: -18113
Mag Declination Calc Deg: -999.0000
Mag Inclination Calc Deg: -999.0000
Mag Total Intensity Obs nT: 24903
Alt Barometric Ft: 787

Min/Max Data Record:
Longitude: -14.2480
Latitude: 16.2453
Mag Total Intensity Calc nT: 36156
Time Gmt Sec: 86399.0313
Mag East Component Obs nT: 27311
Mag North Component Obs nT: -6658
Mag Horizontal Intensity Calc nT: 28901
Mag Vertical Intensity Obs nT: 22861
Mag Declination Calc Deg: -14.9695
Mag Inclination Calc Deg: 39.2197
Mag Total Intensity Obs nT: 36155
Alt Barometric Ft: 26611