Survey Identifier: NAV4101
Format Acronym: ARO88
Data Center File Number: 0480-261
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 C32-852, Flight 4101 ~ 3,788 Nautical Miles
Survey Departure Date (yyyymmdd): 19880124
Survey Arrival Date (yyyymmdd): 19880124
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: 19441
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +17
Bottommost Latitude: -21
Leftmost Longitude: -100
Rightmost Longitude: -080
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: 19441
Datafile Header Info: PJCT=C32-852 FLGT= 4101 ,MTH= 1,DAY= 24, YR=1988,JDY= 24 -TO- 24,RCD= 19443,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: -99.8010
Latitude: -20.0308
Mag Total Intensity Calc nT: 28148
Time Gmt Sec: 3990.7380
Mag East Component Obs nT: 26608
Mag North Component Obs nT: 1202
Mag Horizontal Intensity Calc nT: 27185
Mag Vertical Intensity Obs nT: -10659
Mag Declination Calc Deg: 2.4012
Mag Inclination Calc Deg: -21.4092
Mag Total Intensity Obs nT: 28147
Alt Barometric Ft: 1100
Min/Max Data Record:
Longitude: -80.4105
Latitude: 16.7423
Mag Total Intensity Calc nT: 40999
Time Gmt Sec: 43557.7466
Mag East Component Obs nT: 30459
Mag North Component Obs nT: 5675
Mag Horizontal Intensity Calc nT: 30748
Mag Vertical Intensity Obs nT: 28291
Mag Declination Calc Deg: 12.0250
Mag Inclination Calc Deg: 43.7514
Mag Total Intensity Obs nT: 41031
Alt Barometric Ft: 26100