Hits
23cm double bi quad antenna
It's fed with a short length of RG-223 co-ax, fitted with a balun sleeve made from the braiding off some UR67
post 24 Oct 2024
Antenna for UHF VHF Links →
Cross Yagi antena com polarizacao circular para satelites, PY2BBS
To design a set of LHCP circular polarization VHF and UHF antennas to work in low-orbit satellites
Coaxial dipole VHF UHF
Here is a homebrew coaxial dipole built from a small stainless whip
Dipolo bibanda VHF/UHF da finestra
Dipolo verticale bibanda 144/430 MHz un semplice, economico ed efficiente dipolo verticale da finestra
Four element 2 meter quad antenna
Each element is built on a separate hub so theantenna can be taken apart. The boom is made from common schedule 40 PVC
Half wave dipole
The simplest antenna not only for VHF, CB and the like is bipolar the so-called Dipole, can be easily assembled at almost zero costs, but has some disadvantages, such as low gain and low directionality
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To design a set of LHCP circular polarization VHF and UHF antennas to work in low-orbit satellites
Here is a homebrew coaxial dipole built from a small stainless whip
Dipolo verticale bibanda 144/430 MHz un semplice, economico ed efficiente dipolo verticale da finestra
Each element is built on a separate hub so theantenna can be taken apart. The boom is made from common schedule 40 PVC
The simplest antenna not only for VHF, CB and the like is bipolar the so-called Dipole, can be easily assembled at almost zero costs, but has some disadvantages, such as low gain and low directionality
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