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Calculator Seven Element Yagi Antenna
Calculate the dimensions for a seven element Yagi-Uda Antenna
post 29 Jan 2024
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Helix antenna design and construction details
Design frequency MHz, Number of turns ,Turn spacing, wavelengths
Inductance of a Straight Wire, One End Grounded
Any length of wire has some inductance, however, at low frequencies, 1-30 MHz, the added effect of this inductance is usually minimum
J-Pole Antenna Calculator
If the antenna is to be placed outside, do not use brass, photo model designed for 2.45 GHz. A capacitor of 0.8 pF and it would be perfectly matched to 50ohm
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Design frequency MHz, Number of turns ,Turn spacing, wavelengths
Any length of wire has some inductance, however, at low frequencies, 1-30 MHz, the added effect of this inductance is usually minimum
If the antenna is to be placed outside, do not use brass, photo model designed for 2.45 GHz. A capacitor of 0.8 pF and it would be perfectly matched to 50ohm
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