Survey Identifier: NAV4130
Format Acronym: ARO88
Data Center File Number: 0550-041
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 C32-951: Flight 4130 ~ 3,346 Nautical Miles
Survey Departure Date (yyyymmdd): 19881116
Survey Arrival Date (yyyymmdd): 19881116
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: 20047
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -42
Bottommost Latitude: -71
Leftmost Longitude: +147
Rightmost Longitude: +174
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: 20047
Datafile Header Info: PJCT=C32-951 FLGT= 4130 ,MTH= 11,DAY= 16, YR=1988,JDY= 321 -TO- 321,RCD= 20049,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: 147.3033
Latitude: -70.1112
Mag Total Intensity Calc nT: 58353
Time Gmt Sec: 31791.2549
Mag East Component Obs nT: -200
Mag North Component Obs nT: 4217
Mag Horizontal Intensity Calc nT: 6692
Mag Vertical Intensity Obs nT: -65825
Mag Declination Calc Deg: 13.0933
Mag Inclination Calc Deg: -84.1707
Mag Total Intensity Obs nT: 58361
Alt Barometric Ft: 0
Min/Max Data Record:
Longitude: 173.0353
Latitude: -42.6518
Mag Total Intensity Calc nT: 66259
Time Gmt Sec: 74228.3516
Mag East Component Obs nT: 19875
Mag North Component Obs nT: 8533
Mag Horizontal Intensity Calc nT: 21572
Mag Vertical Intensity Obs nT: -54305
Mag Declination Calc Deg: 91.5403
Mag Inclination Calc Deg: -68.3442
Mag Total Intensity Obs nT: 66267
Alt Barometric Ft: 26000