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Antenna for 40m with tuning system
Half-wave antenna for the 40m band. The tuning system is installed at the top of the attic, to be as close as possible to the radiating strand
post 04 Dec 2024
Antenna 40 Meter Links →
Quarter-Wave Vertical Antenna Length Calculator
a quarter-wavelength antenna is easy and inexpensive to build and can be an effective antenna with a low angle of radiation
High Performance 40 Meters Vertical
This shortened easy-to-build vertical, with no-radials, is made from surplus military
Multi dipoles Indoor
Solution of multidipole in the attic
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a quarter-wavelength antenna is easy and inexpensive to build and can be an effective antenna with a low angle of radiation
This shortened easy-to-build vertical, with no-radials, is made from surplus military
Solution of multidipole in the attic
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62