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Homebrew Vertical Antenna 7 MHz
A major problem to overcome when using vertical antennas is ground losses. To put it simply, the Earth loves to absorb Radio Frequency energy especially in the near field close to an antenna
post 04 Dec 2024
Antenna Vertical Links →
My 160 meter antenna is an Inverted L
My 160 meter antenna is an Inverted L. The length of wire required at 1.835 MHz is approximately 127 feet
Multiband wire vertical
When 3 bands are used a center pole and 2 wires on the sides are used. The center wire will always be the lowest band and to the sides the other two or four bands
Multiband vertical HF antenna
The antennas may be installed at height near one meter above the ground. Resonance counterpoises should be used at this placement
New Shortened Vertical for 17-20-30-40 Meters
a 4-band, 20' vertical half wave that uses two loading coils with taps. The results appear promising
Shortened 160 meter vertical
Highly effective for 160-meter DX and local work, easy to build and adjust, very economical
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My 160 meter antenna is an Inverted L. The length of wire required at 1.835 MHz is approximately 127 feet
When 3 bands are used a center pole and 2 wires on the sides are used. The center wire will always be the lowest band and to the sides the other two or four bands
The antennas may be installed at height near one meter above the ground. Resonance counterpoises should be used at this placement
a 4-band, 20' vertical half wave that uses two loading coils with taps. The results appear promising
Highly effective for 160-meter DX and local work, easy to build and adjust, very economical
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal