VHF antenna pattern characterization by the observation of meteor head echoes
2016
The Middle Atmosphere Alomar Radar System (MAARSY) with its active
phased array antenna is designed and used for studies of phenomena in the
mesosphere and lower atmosphere. The flexible beam forming and steering
combined with a large aperture array allows for observations with a high temporal
and angular resolution. For both the analysis of the radar data and the
configuration of experiments, the actual radiation pattern needs to be known.
For that purpose, various simulations as well as passive and active
experiments have been conducted. Here, results of meteor head echo
observations are presented, which allow us to derive detailed information of
the actual radiation pattern for different beam-pointing positions and the
current health status of the entire radar. For MAARSY, the described method
offers robust beam pointing and width estimations for a minimum of a few days
of observations.
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