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9 element yagi for 144Mhz
Band 144-146 MHz, gain 11 dB
post 12 Sep 2024
Antenna for UHF VHF Links →
Bi-Bande 144/432Mhz pour le trafic SSB
Details of the dipoles: that of the 144Mhz is actually a trombone recovery, with the impedance matching system on the top of the boom.
Cheap Yagi Antennas for VHF/UHF
Typically, a high gain antenna is designed in the computer, then you try to come up with a matching arrangement for a 31.9 Ohm
Construccion de una antena cubica para VHF
The cubic antenna is a dipole to which we have folded the ends to close it
Dipolo de 1/2 lambda con gamma match para 88-108 MHZ
This is a 1/2 lambda type antenna, typical with gamma match adapter, can be stacked to achieve greater gain, I am preparing the documentation for anyone who may be interested in building
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Details of the dipoles: that of the 144Mhz is actually a trombone recovery, with the impedance matching system on the top of the boom.
Typically, a high gain antenna is designed in the computer, then you try to come up with a matching arrangement for a 31.9 Ohm
The cubic antenna is a dipole to which we have folded the ends to close it
This is a 1/2 lambda type antenna, typical with gamma match adapter, can be stacked to achieve greater gain, I am preparing the documentation for anyone who may be interested in building
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