Survey Identifier: NAV5047
Format Acronym: ARO88
Data Center File Number: 0480-063
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 5047 ~ 3,845
Survey Departure Date (yyyymmdd): 19830322
Survey Arrival Date (yyyymmdd): 19830322
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: 19186
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -31
Bottommost Latitude: -58
Leftmost Longitude: +090
Rightmost Longitude: +117
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: 19186
Datafile Header Info: PJCT=C32-352 FLGT= 5047 ,MTH= 3,DAY= 22, YR=1983,JDY= 81 -TO- 81,RCD= 19187,NAV=ESG ,CMP=INS2
Min/Max Data Record:
Longitude: 90.1522
Latitude: -57.4976
Mag Total Intensity Calc nT: 58151
Time Gmt Sec: 40563.6270
Mag East Component Obs nT: 5017
Mag North Component Obs nT: -13286
Mag Horizontal Intensity Calc nT: 11404
Mag Vertical Intensity Obs nT: -61822
Mag Declination Calc Deg: -65.5339
Mag Inclination Calc Deg: -79.4965
Mag Total Intensity Obs nT: 58171
Alt Barometric Ft: 100
Min/Max Data Record:
Longitude: 116.0199
Latitude: -31.6716
Mag Total Intensity Calc nT: 63044
Time Gmt Sec: 79975.8174
Mag East Component Obs nT: 23456
Mag North Component Obs nT: -837
Mag Horizontal Intensity Calc nT: 23501
Mag Vertical Intensity Obs nT: -53497
Mag Declination Calc Deg: -2.0560
Mag Inclination Calc Deg: -66.2844
Mag Total Intensity Obs nT: 63027
Alt Barometric Ft: 30900