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Vertical antenna system in phase
Two lambda / 4 vertical antennas marked A and B and placed at a distance equal to lambda / 2 are fed simultaneously by the same signal in transmission
post 02 Nov 2024
Antenna Vertical Links →
Antenna Verticale
The construction very simple starts with drilling the plate Made of aluminum, marking the holes for the base and for the panel PL
Vertical array Vertical antenna
Antenna verticale per bande basse a reattanza differenziale nelle configurazioni,40/80 -- 30/40/80 -- 40/80/160 -- 30/40/80/160
CB modified antenna for the 12m band
CB modified antenna for the 12m a quarter of a wave
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The construction very simple starts with drilling the plate Made of aluminum, marking the holes for the base and for the panel PL
Antenna verticale per bande basse a reattanza differenziale nelle configurazioni,40/80 -- 30/40/80 -- 40/80/160 -- 30/40/80/160
CB modified antenna for the 12m a quarter of a wave
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Voice Recorder Gestito dall'integrato in questione ed offre la possibilità di registrare più messaggi per una durata massima di un minuto con buona fedeltà di riproduzione