Hits
Antenna system with four polarizations linear and circular
At VHF and UHF, hams utilize both linear and circular polarization linear polarization horizontal, vertical is used for normal direct ommunications
post 06 Oct 2024
Antenna for UHF VHF Links →
2 x 5 Element Yagi array for 144MHz
A 2 x 5 antenna may have similar basic gain to say a well made 10 element long yagi but with slightly different distribution of azimuth and altitude
A Halo 4 Stack for 70cm on the Cheap
Start by cutting a piece of copper tubing per the dimensions in the diagram above
A Yagi-Uda antenna for MURS and 2-meters
The yagi that I built was designed for the lower 3 MURS channels but was also to be usable on 2-meters
hentenna for 2 meters
hentenna for vhf 2 meters
150
A 2 x 5 antenna may have similar basic gain to say a well made 10 element long yagi but with slightly different distribution of azimuth and altitude
Start by cutting a piece of copper tubing per the dimensions in the diagram above
The yagi that I built was designed for the lower 3 MURS channels but was also to be usable on 2-meters
hentenna for vhf 2 meters
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
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