Survey Identifier: NAV5048
Format Acronym: ARO88
Data Center File Number: 0480-064
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 C32-352: Flight 5048 ~ 3,892 Nautical Miles
Survey Departure Date (yyyymmdd): 19830325
Survey Arrival Date (yyyymmdd): 19830325
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: 19405
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -31
Bottommost Latitude: -58
Leftmost Longitude: +110
Rightmost Longitude: +148
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: 19405
Datafile Header Info: PJCT=C32-352 FLGT= 5048 ,MTH= 3,DAY= 25, YR=1983,JDY= 84 -TO- 84,RCD= 19406,NAV=ESG ,CMP=INS2
Min/Max Data Record:
Longitude: 110.0104
Latitude: -57.6014
Mag Total Intensity Calc nT: 58618
Time Gmt Sec: 38427.6079
Mag East Component Obs nT: 4404
Mag North Component Obs nT: -8041
Mag Horizontal Intensity Calc nT: 6588
Mag Vertical Intensity Obs nT: -66027
Mag Declination Calc Deg: -60.6092
Mag Inclination Calc Deg: -84.2927
Mag Total Intensity Obs nT: 45162
Alt Barometric Ft: 300
Min/Max Data Record:
Longitude: 147.6655
Latitude: -31.7300
Mag Total Intensity Calc nT: 66435
Time Gmt Sec: 78172.4941
Mag East Component Obs nT: 23237
Mag North Component Obs nT: 4795
Mag Horizontal Intensity Calc nT: 23269
Mag Vertical Intensity Obs nT: -53810
Mag Declination Calc Deg: 15.0702
Mag Inclination Calc Deg: -66.6198
Mag Total Intensity Obs nT: 66415
Alt Barometric Ft: 28900