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Butternut HF2V top hat mod
80 now has about 90 Kc's of bandwidth 2:1 compared to approximately 25 Kc's I had prior to the mod
post 14 Feb 2024
Antenna Vertical Links →
Home Brew 80/40 Meter Vertical Antenna
The total height of this antenna is 33 FT,the coils were make from 1/4 aluminum tubing
Installation 5BTV ground mounted with radials
This discussion serves to relate my experiences with quarter wave vertical antennas
Mono band antenna on 40 meters
The antenna itself is built with 4 sections of electrical conduit. 1 1/4, 1, 3/4 and 1/2 inch pipes were nested together to the right length and screwed together with stainless self drilling screws
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The total height of this antenna is 33 FT,the coils were make from 1/4 aluminum tubing
This discussion serves to relate my experiences with quarter wave vertical antennas
The antenna itself is built with 4 sections of electrical conduit. 1 1/4, 1, 3/4 and 1/2 inch pipes were nested together to the right length and screwed together with stainless self drilling screws
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