Рет қаралды 3,711
The video shows a copy of the HF20A antenna made by me.
The basic dimensions are:
19.5m radiator;
22m counterweight, but I will extend it to be able to stretch the entire structure better.
The antenna matching circuit is a classic 1: 9 unun wound with a DNE1.0 wire on a 43 core
The resistor is a pair of 50W non-inductive resistors with a resistance of 1kom each.
I use two aluminum tent pegs as grounding.