DESIGN AND PERFORMANCE OF A LOW-FREQUENCY CROSS-POLARIZED LOG-PERIODIC DIPOLE ANTENNA

We report the design and performance of a cross-polarized log-periodic dipole (CLPD) antenna for observations of polarized radio emission from the solar corona at low frequencies. The measured isolation between the two mutually orthogonal log-periodic dipole antennas was as low as [approximate] - 43...

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Veröffentlicht in:	The Astrophysical journal. Supplement series 2013-07, Vol.207 (1), p.1-5
Hauptverfasser:	RAJA, K SASIKUMAR, Kathiravan, C, Ramesh, R, Rajalingam, M, Barve, Indrajit V
Format:	Artikel
Sprache:	eng
Schlagworte:	ANTENNAS Approximation ASTRONOMY ASTROPHYSICS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY DESIGN Dipole antennas DIPOLES Emission INTERFEROMETERS Low frequencies MAGNETIC FIELDS MHZ RANGE PERIODICITY PHOTON EMISSION POLARIMETERS POLARIZATION Radio emission SOLAR CORONA SUN
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Zusammenfassung:	We report the design and performance of a cross-polarized log-periodic dipole (CLPD) antenna for observations of polarized radio emission from the solar corona at low frequencies. The measured isolation between the two mutually orthogonal log-periodic dipole antennas was as low as [approximate] - 43 dBm in the 65-95 MHz range. We carried out observations of the solar corona at 80 MHz with the above CLPD and successfully recorded circularly polarized emission.
ISSN:	0067-0049 1538-4365
DOI:	10.1088/0067-0049/207/1/2