Survey Identifier: NAV3090
Format Acronym: ARO88
Data Center File Number: 0480-085
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 C32-451, Flight 3090 ~ 2,896 Nautical Miles
Survey Departure Date (yyyymmdd): 19831126
Survey Arrival Date (yyyymmdd): 19831126
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: 15064
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +15
Bottommost Latitude: -32
Leftmost Longitude: +116
Rightmost Longitude: +122
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: 15064
Datafile Header Info: PJCT=C32-451 FLGT= 3090 ,MTH= 11,DAY= 26, YR=1983,JDY= 330 -TO- 330,RCD= 15066,NAV=ESG ,CMP=INS1
Min/Max Data Record:
Longitude: 116.1518
Latitude: -31.6384
Mag Total Intensity Calc nT: 39349
Time Gmt Sec: 49605.6768
Mag East Component Obs nT: 23225
Mag North Component Obs nT: -1506
Mag Horizontal Intensity Calc nT: 23271
Mag Vertical Intensity Obs nT: -53875
Mag Declination Calc Deg: -3.6906
Mag Inclination Calc Deg: -66.6112
Mag Total Intensity Obs nT: 39405
Alt Barometric Ft: 300
Min/Max Data Record:
Longitude: 122.0102
Latitude: 14.8334
Mag Total Intensity Calc nT: 58830
Time Gmt Sec: 80880.0869
Mag East Component Obs nT: 39544
Mag North Component Obs nT: 1165
Mag Horizontal Intensity Calc nT: 39544
Mag Vertical Intensity Obs nT: 10952
Mag Declination Calc Deg: 1.8812
Mag Inclination Calc Deg: 15.5604
Mag Total Intensity Obs nT: 58818
Alt Barometric Ft: 26000