Survey Identifier: NAV1182
Format Acronym: ARO88
Data Center File Number: 0550-002
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: Virgil R. Bettencourt
Project: Project Magnet: Project C32-953: Flight 1182 ~ 1,196 Nautical Miles
Survey Departure Date (yyyymmdd): 19890630
Survey Arrival Date (yyyymmdd): 19890630
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: 6891
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +31
Bottommost Latitude: +16
Leftmost Longitude: -100
Rightmost Longitude: -088
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: 6891
Datafile Header Info: PJCT=C32-953 FLGT= 1182 ,MTH= 6,DAY= 30, YR=1989,JDY= 181 -TO- 181,RCD= 6893,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: -99.8065
Latitude: 16.6505
Mag Total Intensity Calc nT: 40744
Time Gmt Sec: 24864.8789
Mag East Component Obs nT: 24008
Mag North Component Obs nT: 569
Mag Horizontal Intensity Calc nT: 24019
Mag Vertical Intensity Obs nT: 27907
Mag Declination Calc Deg: 1.3426
Mag Inclination Calc Deg: 43.1474
Mag Total Intensity Obs nT: 40791
Alt Barometric Ft: 0
Min/Max Data Record:
Longitude: -88.9936
Latitude: 30.7517
Mag Total Intensity Calc nT: 50698
Time Gmt Sec: 39005.2510
Mag East Component Obs nT: 29534
Mag North Component Obs nT: 3960
Mag Horizontal Intensity Calc nT: 29787
Mag Vertical Intensity Obs nT: 44586
Mag Declination Calc Deg: 7.6794
Mag Inclination Calc Deg: 61.6416
Mag Total Intensity Obs nT: 50705
Alt Barometric Ft: 23100