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TRIANGULATION DIRECTION FINDING NETWORK FOR FIXING THE SOURCES OF ATMOSPHERICS
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1979
Year
Earth ObservationEnvironmental MonitoringEngineeringAtmospheric SoundingGeophysical Signal ProcessingEarth ScienceGeophysicsData ScienceAtmospheric ScienceAutomatic RepeatComputational GeometryGeometric ModelingMeteorologyNd Request SystemSynthetic Aperture RadarInverse ProblemsGeodetic NetworkRadarAtmospheric ConditionAerospace EngineeringNatural SciencesRemote SensingDirec Tion
In order t o pull up to the most modern technical level, the direc tion finding network for locating the sources of atmospherics which has been used since 1968, was almost re- constructed in 1977-1978. Namely , the uni- directional type direction finders using the highly integrated analog and digital circuits are installed at all stati ons , the Automatic Repeat a nd Request System (ARQ) using mini- computers is introduced in the data transmission by a radio link and a new large capacity computer is introduced to reduce the observed data. As a result , the performance of the apparata has been improved largely, the data reduction time being also saved remarkably. We have been carrying out the routine observation using this d irec tion finding network once a day except Sunday and Saturday .