Survey Identifier: NAV3091
Format Acronym: ARO88
Data Center File Number: 0480-098
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 C32-452, Flight 3091 ~ 1,625 Nautical Miles
Survey Departure Date (yyyymmdd): 19840220
Survey Arrival Date (yyyymmdd): 19840220
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: 7855
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +11
Bottommost Latitude: +01
Leftmost Longitude: +100
Rightmost Longitude: +124
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: 7856
Datafile Header Info: PJCT=C32-452 FLGT= 3091 ,MTH= 2,DAY= 20, YR=1984,JDY= 51 -TO- 51,RCD= 7857,NAV=INS1,CMP=INS2
Min/Max Data Record:
Longitude: 100.1541
Latitude: 1.2603
Mag Total Intensity Calc nT: 39246
Time Gmt Sec: 8504.7880
Mag East Component Obs nT: 39127
Mag North Component Obs nT: -306
Mag Horizontal Intensity Calc nT: 39127
Mag Vertical Intensity Obs nT: -13081
Mag Declination Calc Deg: -0.4371
Mag Inclination Calc Deg: -18.2402
Mag Total Intensity Obs nT: 39267
Alt Barometric Ft: 20559
Min/Max Data Record:
Longitude: 123.9703
Latitude: 10.3565
Mag Total Intensity Calc nT: 41812
Time Gmt Sec: 26698.3428
Mag East Component Obs nT: 40545
Mag North Component Obs nT: 629
Mag Horizontal Intensity Calc nT: 40547
Mag Vertical Intensity Obs nT: 3140
Mag Declination Calc Deg: 0.8897
Mag Inclination Calc Deg: 4.5877
Mag Total Intensity Obs nT: 41744
Alt Barometric Ft: 24900