Survey Identifier: NAV1122
Format Acronym: ARO88
Data Center File Number: 0480-114
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 C32-454, Flight 1122 ~ 3,186 Nautical Miles
Survey Departure Date (yyyymmdd): 19840814
Survey Arrival Date (yyyymmdd): 19840815
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: 17626
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +50
Bottommost Latitude: +34
Leftmost Longitude: -052
Rightmost Longitude: -027
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: 17627
Datafile Header Info: PJCT=C32-454 FLGT= 1122 ,MTH= 8,DAY= 14, YR=1984,JDY= 227 -TO- 227,RCD= 17628,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: -51.0288
Latitude: 34.7602
Mag Total Intensity Calc nT: 43357
Time Gmt Sec: 0.0137
Mag East Component Obs nT: 18619
Mag North Component Obs nT: -8239
Mag Horizontal Intensity Calc nT: 19615
Mag Vertical Intensity Obs nT: 35828
Mag Declination Calc Deg: -20.8325
Mag Inclination Calc Deg: 54.9618
Mag Total Intensity Obs nT: 43761
Alt Barometric Ft: 1619
Min/Max Data Record:
Longitude: -27.0010
Latitude: 49.2429
Mag Total Intensity Calc nT: 49084
Time Gmt Sec: 86399.5137
Mag East Component Obs nT: 24681
Mag North Component Obs nT: -5916
Mag Horizontal Intensity Calc nT: 25396
Mag Vertical Intensity Obs nT: 44994
Mag Declination Calc Deg: -13.5967
Mag Inclination Calc Deg: 66.4449
Mag Total Intensity Obs nT: 49092
Alt Barometric Ft: 26900