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A Quad-Helix Antenna
According to specs provided, each helix has a nominal gain of 18 db, so the quad has a gain of around 24 db at 1420 MHz
post 21 Feb 2024
Antenna Wifi Links →
Antenna Theory Helical
Helical antenna is an example of wire antenna and itself forms the shape of a helix. This is a broadband VHF and UHF antenn
BiQuad 802.11b Antenna
for the 110 x 110 mm reflector, but it will be just as effective if made out of sheet brass or copper
Building a biquad antenna for wireless 802.11b
They have superior sidelobe performance when compared with a wire grid antenna
Can feed for 23cm and 13cm
A copper or brass disc, 23cm diameter, is soldered to the outer lip of a 95mm i.d. copper or brass tube
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Helical antenna is an example of wire antenna and itself forms the shape of a helix. This is a broadband VHF and UHF antenn
for the 110 x 110 mm reflector, but it will be just as effective if made out of sheet brass or copper
They have superior sidelobe performance when compared with a wire grid antenna
A copper or brass disc, 23cm diameter, is soldered to the outer lip of a 95mm i.d. copper or brass tube
Noise suppression with X-phase II This device similar devices are known as QRM eliminators or noise killers, makes it possible
The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna
Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo