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Antenna height measurement made easy


Antenna height measurement made easy

First we must understand the triangle: if the angles are like this 90 and 45 then length A and B are equal

post 08 Sep 2024


Projects_Homebrew Links

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Antenna Fundamental
Practical microwave antennas provide high gainwithin the range of amateur fabrication skills and budgets

Antenna Modeling Software
Antenna Modeling Software and Other Utility Programs

Antenna a Stealth Vertical Dipole
An antenna for the 11 meters in the attic

An Examiniation of the Gamma Match


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