Hits
7-Element-Yagis stacked for the 2m-Band
The vertical stacking of 4 Yagis gives an excellent contest group with a very low vertical elevation
post 17 Apr 2024
Antenna for UHF VHF Links →
UHF-VHF Yagi Construction
These optimized wide-band antennas offer up to 16 dBi gain and 30 dB F/B ratio when mounted at 20 feet over average
VHF/UHF Portable Satellite Antenna
The antenna performance should match or surpass the Arrow antenna. The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements
Direttiva UHF
Boom cm.100 - riflettore cm.33 - 1 direttore cm.30, 2 direttore cm.29,5 - 3 direttore cm.29 - 4 direttore cm.29
2m beam 9 element
150
These optimized wide-band antennas offer up to 16 dBi gain and 30 dB F/B ratio when mounted at 20 feet over average
The antenna performance should match or surpass the Arrow antenna. The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements
Boom cm.100 - riflettore cm.33 - 1 direttore cm.30, 2 direttore cm.29,5 - 3 direttore cm.29 - 4 direttore cm.29
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