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Dual band collinear 144-430


Dual band collinear 144-430

97 cm RG8U stretch VHF, 32 cm RG8U stretch UHF, 16 cm stretch RG8U UHF

post 04 Nov 2024


Antenna for UHF VHF Links

149



VHF/UHF Dualband vertical
I used for this antenna aluminum tubing of 10mm diameter

VHF/UHF/HF X-Beam Antenna
A forward to back ratio of 20dB. The handbook also states that this design should perform as well as or better than a similar yagi

VHF 5/8wave vertical antennas
The 1/4 wavelength monopole and the 5/8 wavelength monopole antennas are widely used. The VHF 5/8-wavelength 144 Mhz

WHEEL Antennas
The Wheel antenna has been around since the early 1950's, first used in the Amateur Radio Two Meter band as a horizontally polarized omni radiator

6 element UHF Yagi antenna
This is a standard 6 elements design scaled for UHF application


Antenna splitter per VHF-UHF per quattro ricevitori

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

Kits and Components

Amateur radio kits by Kanga US

50MHz to 28MHz RX Converter

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