Survey Identifier: NAV5121
Format Acronym: ARO88
Data Center File Number: 0560-052
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: Donald R. Wilson
Project: Project Magnet: Project D32-353: Flight 5121 ~ 3,525 Nautical Miles
Survey Departure Date (yyyymmdd): 19930730
Survey Arrival Date (yyyymmdd): 19930730
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: 19004
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: -07
Bottommost Latitude: -13
Leftmost Longitude: +072
Rightmost Longitude: +131
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: 19004
Datafile Header Info: PJCT=D32-353 FLGT= 5121 ,MTH= 7,DAY= 30, YR=1993,JDY= 211 -TO- 211,RCD= 19006,NAV=GPS ,CMP=RLG
Min/Max Data Record:
Longitude: 72.3488
Latitude: -12.6822
Mag Total Intensity Calc nT: 39959
Time Gmt Sec: 45644.4688
Mag East Component Obs nT: 32314
Mag North Component Obs nT: -4800
Mag Horizontal Intensity Calc nT: 32577
Mag Vertical Intensity Obs nT: -33302
Mag Declination Calc Deg: -8.3707
Mag Inclination Calc Deg: -44.2099
Mag Total Intensity Obs nT: 39834
Alt Barometric Ft: 10
Min/Max Data Record:
Longitude: 130.7626
Latitude: -7.2828
Mag Total Intensity Calc nT: 47905
Time Gmt Sec: 84369.5625
Mag East Component Obs nT: 35414
Mag North Component Obs nT: 1962
Mag Horizontal Intensity Calc nT: 35456
Mag Vertical Intensity Obs nT: -22903
Mag Declination Calc Deg: 3.1751
Mag Inclination Calc Deg: -34.9487
Mag Total Intensity Obs nT: 47917
Alt Barometric Ft: 25817