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HB9CV 6 elements portable
When tuning the antenna play on the length of the coaxial 3 mm until obtaining an ideal ROS
post 29 Jan 2024
Antenna for UHF VHF Links →
Boomer Yagi
Previousely I made the antenna using 1 inch Ø aluminum tube for the antenna boom and all the elements were hold and fastened into the boom with a self made aluminum
Build your yagi antenna
The construction of an Yagi antenna calculated for the FM broadcasting band 88 - 108 MHz
Build the Pennyloop UHF Antenna
The Pennyloop UHF antenna offers high performance in a very simple and cost effective design
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Previousely I made the antenna using 1 inch Ø aluminum tube for the antenna boom and all the elements were hold and fastened into the boom with a self made aluminum
The construction of an Yagi antenna calculated for the FM broadcasting band 88 - 108 MHz
The Pennyloop UHF antenna offers high performance in a very simple and cost effective design
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
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