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Wavelet analysis of the LF radio signals collected by the European VLF/LF network from July 2009 to April 2011
Radio Network Wavelet precursors
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2015/8/24
In 2008, a radio receiver that works in very low frequency (VLF; 20-60 kHz) and LF (150-300 kHz) bands was developed by an Italian factory. The receiver can monitor 10 frequencies distributed in these...
Early Skywave Detection Network:Preliminary Design and Analysis
Skywave Detection Network
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2015/6/26
A skywave signal is one has propagated by reflecting off the ionosphere. These signals are common in low frequency (LF) broadcast. However, in Loran, these signals are nuisances since they interfere w...