Hits
Hentenna for vhf
Hentenna for 2 meters VHF
post 23 Sep 2024
Antenna for UHF VHF Links →
Lindenblad Antenna for 137MHz
I have built my last couple of Lindenblads from lengths of 4mm-diameter galvanised steel fencing wire, some standard 300-ohm television ribbon cable
Quad 2 elementi 144 Mhz
Realizzare il boom tagliando il listello di legno più grosso per una lunghezza di circa 23 cm,quindi fissare gli angolari due per lato contrapposti con le viti per legno
Quadrifilaire 137 Mhz for satellite
I found that an excellent antenna for picking up these signals are Quadrifilar Helix Antennas 137 MHz
Quadra Cubica de 4 Elementos para VHF
150
I have built my last couple of Lindenblads from lengths of 4mm-diameter galvanised steel fencing wire, some standard 300-ohm television ribbon cable
Realizzare il boom tagliando il listello di legno più grosso per una lunghezza di circa 23 cm,quindi fissare gli angolari due per lato contrapposti con le viti per legno
I found that an excellent antenna for picking up these signals are Quadrifilar Helix Antennas 137 MHz
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