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Antenna VHF Topfkrei
The construction is completely similar to that described for the Sperrtopf, with the only variant of the filler fixing
post 31 Mar 2024
Antenna for UHF VHF Links →
3 x 3/4 l 2 meter Vertical antenna
The antenna has 3 radiating elements. The phasor coil L1 and L2 functioned as phase shifters in order to maintain equal phase in all 3 radiating elements
5-Element-Yagi for das 2m-Band
Self-construction of a powerful 5-element Yagi for the 2m band with a novel adaptation technique
70cm mixed mode helix
The radiation pattern is optimised to peak toward the horizon, with a gradual reduction in gain towards the overhead sky
145 MHz 10 Eleman Yagi
149
The antenna has 3 radiating elements. The phasor coil L1 and L2 functioned as phase shifters in order to maintain equal phase in all 3 radiating elements
Self-construction of a powerful 5-element Yagi for the 2m band with a novel adaptation technique
The radiation pattern is optimised to peak toward the horizon, with a gradual reduction in gain towards the overhead sky
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