Survey Identifier: NAV3216
Format Acronym: ARO88
Data Center File Number: 0560-032
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 D32-451: Flight 3216 ~ 3,117 Nautical Miles
Survey Departure Date (yyyymmdd): 19931109
Survey Arrival Date (yyyymmdd): 19931109
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: 16873
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +09
Bottommost Latitude: -18
Leftmost Longitude: +167
Rightmost Longitude: -149
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: 16872
Datafile Header Info: PJCT=D32-451 FLGT= 3216 ,MTH= 11,DAY= 9, YR=1993,JDY= 313 -TO- 313,RCD= 16875,NAV=GPS ,CMP=RLG
Min/Max Data Record:
Longitude: -179.9967
Latitude: -17.7735
Mag Total Intensity Calc nT: 33380
Time Gmt Sec: 31486.0000
Mag East Component Obs nT: 30839
Mag North Component Obs nT: 4960
Mag Horizontal Intensity Calc nT: 31567
Mag Vertical Intensity Obs nT: -19451
Mag Declination Calc Deg: -999.0000
Mag Inclination Calc Deg: -999.0000
Mag Total Intensity Obs nT: 33381
Alt Barometric Ft: 2172
Min/Max Data Record:
Longitude: 179.9976
Latitude: 8.6681
Mag Total Intensity Calc nT: 37360
Time Gmt Sec: 65706.1406
Mag East Component Obs nT: 33641
Mag North Component Obs nT: 7064
Mag Horizontal Intensity Calc nT: 34142
Mag Vertical Intensity Obs nT: 4669
Mag Declination Calc Deg: 12.7899
Mag Inclination Calc Deg: 7.9842
Mag Total Intensity Obs nT: 37376
Alt Barometric Ft: 24928