Survey Identifier: NAV1161
Format Acronym: ARO88
Data Center File Number: 0480-244
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 C32-753, Flight 1161 ~ 1,001 Nautical Miles
Survey Departure Date (yyyymmdd): 19870605
Survey Arrival Date (yyyymmdd): 19870605
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: 4738
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +41
Bottommost Latitude: +36
Leftmost Longitude: -005
Rightmost Longitude: +015
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: 4740
Datafile Header Info: PJCT=C32-753 FLGT= 1161 ,MTH= 6,DAY= 5, YR=1987,JDY= 156 -TO- 156,RCD= 4742,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: -4.9859
Latitude: 36.8423
Mag Total Intensity Calc nT: 42546
Time Gmt Sec: 38449.0249
Mag East Component Obs nT: 24836
Mag North Component Obs nT: -2351
Mag Horizontal Intensity Calc nT: 24839
Mag Vertical Intensity Obs nT: 33082
Mag Declination Calc Deg: -5.0450
Mag Inclination Calc Deg: 51.0283
Mag Total Intensity Obs nT: 42552
Alt Barometric Ft: 300
Min/Max Data Record:
Longitude: 14.8981
Latitude: 40.6143
Mag Total Intensity Calc nT: 44830
Time Gmt Sec: 48751.2749
Mag East Component Obs nT: 26722
Mag North Component Obs nT: 526
Mag Horizontal Intensity Calc nT: 26762
Mag Vertical Intensity Obs nT: 37058
Mag Declination Calc Deg: 1.1349
Mag Inclination Calc Deg: 56.1415
Mag Total Intensity Obs nT: 44827
Alt Barometric Ft: 27000