Survey Identifier: NAV1103
Format Acronym: ARO88
Data Center File Number: 0480-080
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 C32-451: Flight 1103 ~ 1,214 Nautical Miles
Survey Departure Date (yyyymmdd): 19831220
Survey Arrival Date (yyyymmdd): 19831220
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: 7408
Magnetic Sensitivity: 0.1 nT
Topmost Latitude of Survey: +31
Bottommost Latitude: +19
Leftmost Longitude: -098
Rightmost Longitude: -089
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: 7409
Datafile Header Info: PJCT=C32-451 FLGT= 1103 ,MTH= 12,DAY= 20, YR=1983,JDY= 354 -TO- 354,RCD= 7410,NAV=ESG ,CMP=ESG
Min/Max Data Record:
Longitude: -97.9792
Latitude: 19.3610
Mag Total Intensity Calc nT: 42936
Time Gmt Sec: 43071.5527
Mag East Component Obs nT: 24440
Mag North Component Obs nT: 1062
Mag Horizontal Intensity Calc nT: 24471
Mag Vertical Intensity Obs nT: 31439
Mag Declination Calc Deg: 2.4731
Mag Inclination Calc Deg: 47.0743
Mag Total Intensity Obs nT: 42924
Alt Barometric Ft: 1300
Min/Max Data Record:
Longitude: -89.3819
Latitude: 30.4740
Mag Total Intensity Calc nT: 51035
Time Gmt Sec: 57928.7695
Mag East Component Obs nT: 29021
Mag North Component Obs nT: 3603
Mag Horizontal Intensity Calc nT: 29242
Mag Vertical Intensity Obs nT: 44726
Mag Declination Calc Deg: 7.1114
Mag Inclination Calc Deg: 61.2974
Mag Total Intensity Obs nT: 51001
Alt Barometric Ft: 22900