Hits
HB9CV for 145 MHz
Its excellent performance, practically that of a 3 elements under a smaller footprint, is worth its success. The boom is twice as fast as that of a 3-element yagi
post 20 Nov 2024
Antenna for UHF VHF Links →
Antena VHF yagi 5 elementos 144Mhz
Photos with measurements
Antena yagi 5 0 7 elementos para VHF
This is a commercially manufactured antenna with a gain of 9 dB, for 5 elements and 11 dB of gain, for 7 elements, according to the company that manufactures them.
Antenna Polarization Switch
A switch that would allow both horizontal, vertical, Left Hand Circular Polarization LHCP and Right Hand Circular Polarization RHCP for the 2x6 elements DK7ZB cross yagi that I made
Antenna VHF 4 elementi
Guadagno. 8,64 dBd (10,78 dBi) Rapporto F/R: 25,60 dB,Impedenza:50 ohm,I valori dichiarati sono da considerarsi medi sulla banda 144 <>146 MHz.L'ingresso non prevede
Antenna for turnstile 144.00mhz
150
Photos with measurements
This is a commercially manufactured antenna with a gain of 9 dB, for 5 elements and 11 dB of gain, for 7 elements, according to the company that manufactures them.
A switch that would allow both horizontal, vertical, Left Hand Circular Polarization LHCP and Right Hand Circular Polarization RHCP for the 2x6 elements DK7ZB cross yagi that I made
Guadagno. 8,64 dBd (10,78 dBi) Rapporto F/R: 25,60 dB,Impedenza:50 ohm,I valori dichiarati sono da considerarsi medi sulla banda 144 <>146 MHz.L'ingresso non prevede
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