Hi-VHF Folded Dipoles
Hi-VHF Folded Dipoles with wide variance in element sizes analyzed using 4nec2. Example 4nec2 files included for most antennas
post 19 Dec 2021
Antenna for UHF VHF Links →
Antenne for satellie meteosat sheme
Since the impedance on the power point is not adapted to that of the coaxial, it is necessary to insert an impedance transformer consisting of a piece of 75 ohm coaxial cable of a quarter of a wavelength
Antenne verticale colineaire
Two vertical radiating strands of lambda / 2 length are placed on the same line collinear.The upper half-wave element is supplied in phase by the one supporting it via a 1/4 wavelength line short-circuited at its end
Antenna collineare cavo coassiale RG.213
Il guadagno dichiarato da Nuova Elettronica e' di 6dB, senza specificare se dBi o dBd; l'antenna consta di tre mezze lunghezze d'onda, messe in fase con lo scambio che, da uno spezzone all'altro, avviene tra filo coassiale e calza irradiante
Antenne verticale Topfkreis
Sperrtop is an omnidirectional vertical antenna used primarily on VHF and does not require a ground plane
Antenne verticale VHF ou UHF Slim Jim
An omnidirectional monoband vertical antenna compact of space which is similar to the antenna in J. It can be easily performed on strips ranging from 6m to 70cm
154
Since the impedance on the power point is not adapted to that of the coaxial, it is necessary to insert an impedance transformer consisting of a piece of 75 ohm coaxial cable of a quarter of a wavelength
Two vertical radiating strands of lambda / 2 length are placed on the same line collinear.The upper half-wave element is supplied in phase by the one supporting it via a 1/4 wavelength line short-circuited at its end
Il guadagno dichiarato da Nuova Elettronica e' di 6dB, senza specificare se dBi o dBd; l'antenna consta di tre mezze lunghezze d'onda, messe in fase con lo scambio che, da uno spezzone all'altro, avviene tra filo coassiale e calza irradiante
Sperrtop is an omnidirectional vertical antenna used primarily on VHF and does not require a ground plane
An omnidirectional monoband vertical antenna compact of space which is similar to the antenna in J. It can be easily performed on strips ranging from 6m to 70cm
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