Survey Identifier: NAV2066
Format Acronym: ARO88
Data Center File Number: 0560-018
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 2066 ~ 4,306 Nautical Miles
Survey Departure Date (yyyymmdd): 19931117
Survey Arrival Date (yyyymmdd): 19931117
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: 23151
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +13
Bottommost Latitude: -36
Leftmost Longitude: -060
Rightmost Longitude: -033
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: 23151
Datafile Header Info: PJCT=D32-451 FLGT= 2066 ,MTH= 11,DAY= 17, YR=1993,JDY= 321 -TO- 321,RCD= 23153,NAV=GPS ,CMP=RLG
Min/Max Data Record:
Longitude: -59.3540
Latitude: -35.3618
Mag Total Intensity Calc nT: 23133
Time Gmt Sec: 4568.0879
Mag East Component Obs nT: 17667
Mag North Component Obs nT: -9720
Mag Horizontal Intensity Calc nT: 18361
Mag Vertical Intensity Obs nT: -14656
Mag Declination Calc Deg: -23.4425
Mag Inclination Calc Deg: -38.5076
Mag Total Intensity Obs nT: 23156
Alt Barometric Ft: 873
Min/Max Data Record:
Longitude: -33.3890
Latitude: 12.7446
Mag Total Intensity Calc nT: 35235
Time Gmt Sec: 51769.0859
Mag East Component Obs nT: 27207
Mag North Component Obs nT: -1733
Mag Horizontal Intensity Calc nT: 28443
Mag Vertical Intensity Obs nT: 21434
Mag Declination Calc Deg: -5.1139
Mag Inclination Calc Deg: 37.4722
Mag Total Intensity Obs nT: 35246
Alt Barometric Ft: 26801