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80-75 Meter 4-Square Array
The SWR from 3.5 to 3.9 is below 1.5:1, the F/R of the array is 20dB average and with some signals even better
post 04 May 2024
Antenna 80 meter Links →
Single Support Gain Antennasfor 80 and 160 Meters
On 80 and 160 meters an antenna withmodest gain and good front-to-back (F/B) ratio, along with a steerable pattern,can be very effective for contesting
The 80 Meter Inverted Vee
The 80 meter inverted vee is a common and classic antenna. Like all inverted vees, it requires a single center support
Tower for 80mt 3.650 et 3.780 Khz
Tower tuned on 80m, the terminal capa is 16m high and has a diameter of 2.4m
Un dipolo per le bande basse
Il dipolo e' un classico trappolato, ma va meglio di quelli commerciali che ho provato, costa moltomeno e leva lo sfizio di farselo da se'
160m/80m dual band vertical
This vertical is a good compromise when you want good performance on these two low ham bands
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On 80 and 160 meters an antenna withmodest gain and good front-to-back (F/B) ratio, along with a steerable pattern,can be very effective for contesting
The 80 meter inverted vee is a common and classic antenna. Like all inverted vees, it requires a single center support
Tower tuned on 80m, the terminal capa is 16m high and has a diameter of 2.4m
Il dipolo e' un classico trappolato, ma va meglio di quelli commerciali che ho provato, costa moltomeno e leva lo sfizio di farselo da se'
This vertical is a good compromise when you want good performance on these two low ham bands
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