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Coaxial Folded Dipole Antenna


Coaxial Folded Dipole Antenna

What if I told you can make a 50 ohm version directly from RG-58 or RG-8 / RG-213 cable?

post 02 Oct 2024


Wire & Random Antenna Links

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How long should a wire antenna last
This is the installation at a fictitious amateur radio station, but is typical of many such installations

Indoor multiband dipole for 40M - 10M
Indoor multiband dipole 40m -10m not to scale 15m dipole replaced by 40m/15m short-dipole

The Expanded Lazy-H
The electrical beauty of the antenna is that it provides excellent bi-directional performance from 10 meters through at least 17 meters, with good performance down to 30 meters

Long wire + balun 4:1
Un semplice unico spezzone si filo eletrico o comune conduttore,robusto quanto basta a sopportare il peso


23cm Yagi Antenna building

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

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

30 Volt Computer Power Supply Stack

30 Volt Computer Power Supply Stack A bonus was that i discovered that these did not need a standby load connected to the supply to keep them running just apply mains power and close the Start lead to ground