Survey Identifier: NAV1121


Format Acronym: ARO88
Data Center File Number: 0440-008
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: Jesus M. Anglero
Project: Project Magnet: Project C32-454, Flight 1121 ~ 2,894 Nautical Miles
Survey Departure Date (yyyymmdd): 19840811
Survey Arrival Date (yyyymmdd): 19840812
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: 16660
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +64
Bottommost Latitude: +32
Leftmost Longitude: -035
Rightmost Longitude: -022
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: 16660
Datafile Header Info: PJCT=C32-454 FLGT= 1121 ,MTH= 8,DAY= 11, YR=1984,JDY= 224 -TO- 224,RCD= 16661,NAV=ESG ,CMP=ESG

Min/Max Data Record:
Longitude: -34.4074
Latitude: 32.6033
Mag Total Intensity Calc nT: 42066
Time Gmt Sec: 0.3682
Mag East Component Obs nT: 10765
Mag North Component Obs nT: -7458
Mag Horizontal Intensity Calc nT: 12430
Mag Vertical Intensity Obs nT: 32489
Mag Declination Calc Deg: -30.9697
Mag Inclination Calc Deg: 50.5430
Mag Total Intensity Obs nT: 42084
Alt Barometric Ft: 400

Min/Max Data Record:
Longitude: -22.8428
Latitude: 63.9224
Mag Total Intensity Calc nT: 53387
Time Gmt Sec: 86399.3682
Mag East Component Obs nT: 25700
Mag North Component Obs nT: -4815
Mag Horizontal Intensity Calc nT: 26756
Mag Vertical Intensity Obs nT: 51867
Mag Declination Calc Deg: -13.9623
Mag Inclination Calc Deg: 76.5179
Mag Total Intensity Obs nT: 53389
Alt Barometric Ft: 25900