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Building A 2-meter J-Pole Antenna


Building A 2-meter J-Pole Antenna

J-pole is made for 146 Mhz so all of the lengths pertain to that frequency. It holds a perfect tune throughout the band

post 07 Oct 2024


Antenna jpole Links

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The 2 meter 146mhz Slim Jim Antenna
The following instructions may help you if you decide to try the Slim Jim antenna with aluminum tubing

The Pocket Portable J-Pole Antenna
Here's a neat little project that will prove useful for portable operation

The Twinlead J-Pole
Twinlead J-Pole. This simple antenna lends itself well to emergency use or as a portable antenna

Single band copper pipe J antenna dimensions

The jpole revisited again


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