Astronomy and Astrophysics – Astronomy
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pobeo..80..179n&link_type=abstract
Publications of the Astronomical Observatory of Belgrade, Vol. 80, p. 179-184
Astronomy and Astrophysics
Astronomy
Scientific paper
Forward scattering of meteors is a method of meteor detection using a radio receiver to detect signals coming from the transmitters not in line-of-sight. When a meteoroid enters the atmosphere an ionized trail which can reflect radio waves is created. If the meteor, the transmitter and the receiver are in "good" geometrical alignment such that coherent scattering is possible, the receiver will be able to detect a signal reflected from the meteor. A digital radio spectrometer working between 50 and 150MHz and connected to a small wide-frequency, wide-beam antenna can be used as a detector. Its spectral resolution is better than 50kHz and able to resolve individual FM radio and TV stations. In this paper we shall give an overview of the apparatus used to detect meteors at FM frequencies. We will also explain how we can extract the kinetic parameters of the meteoroid. Some preliminary results will be presented.
Nedeljkovic Sasa
Netterfield Calvin. B.
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