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Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an
Special page devoted to
Antenna with Rotating Directional Pattern for the 80, 40, 20, 14 and 10 meter Band
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ANTENTOP- 01- 2020 # 024 |
Antenna with Rotating Directional Pattern for the 80, 40, 20, 14 and 10 meter Band |
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Antenna with Rotating
Directional Pattern for the 80, 40, 20, 14 and 10 meter Band
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By: Valeriy Chihuga RA6AA and Georgiy
Matcoyan UV6AF
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The articles based on different sources from
the internet.
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The antenna, developed by RA6AA and UV6AF,
allows rotate the directional pattern by changing the setting in
the Antenna Tuning Unit that may be sitting directly on the table
at radio shack. The antenna was made and tested at the end of the
80s in the USSR. Many of the Soviet hams did the antenna. Reviews
of the antenna were different. Someone got excellent results someone
got far away from what was expected for. However, it is understandable
because it is only four phased sloper
antennas and the antenna design could be provide only that it could
be provide. |
Yes, the antenna is a very simple design
that contains only four wire sloper antennas.
Due to changing the current phase in each four sloper
the antenna system does a simple rotation of the Diagram Directivity.
Of course it is not a rotational YAGI antenna. However the simple
antenna system allows rotate the Diagram Directivity that was fantastic
in that time!
Anyway design of the antenna is given
below that allows to any ham make the antenna and see what is
happened. Small practice is better the big theory. |
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Figure 1
Base design
of the Antenna with Rotating Directional Pattern for the 80, 40,
20, 14 and 10 meter |
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Last Updated:
January 30, 2021 19:41
