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Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an
Special page devoted to
Dipole Antenna for 40- and 20- meter Bands
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ANTENTOP- 01- 2015 # 019 |
Dipole
Antenna for 40- and 20- meter Bands |
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By: Vasily Perov,
DL1BA (ex UK8BA) |
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Because I have no lots space at my backyard
for antenna installation I like do experiments with shortened
antennas. Below described one of my experimental shortened dipole
antenna for 40- and 20- meter Bands. It takes for me only 1 and
half hour for installation and tuning of the antenna. After that
the dipole antenna was tested at CQ WW
Contest (2015). I made 300 QSOs
using 100- Wtts going into the antenna.
Figure
1 shows design of the antenna. For the 20 meter Band the antenna is
a full sized lambda/4 (each side) dipole antenna. For the 40-
meter band the antenna is a shortened dipole antenna. I used simulation
program NEC2 to create the antenna. However on practice the sizes
were a little different to the theoretical ones. |
DL1BA QSL
Card |
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Figure 1 Dipole Antenna for 40- and 20- meter Bands |
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Last Updated:
February 21, 2018 21:09
