A simple helical horn antenna, how to make a single band directional antenna for WiFi
How to make a simple helical antenna for one frequency. How to make a spiral antenna with a horn for WiFi.
Video course "Antennas" http://crit1.ru/Antennas/
Power Amplifiers http://crit1.ru/um/
Fractal antennas and delay lines http://crit1.ru/fractal/
A set of lessons "Electricity" https://goo.gl/9ueS3X
Fundamentals of electronic generators http://crit1.ru/electonicgenerators/
Mini-course "Building step-up blocks" http://crit1.ru/MiniBlocks/
Instructions for assembling voltage converters http://crit1.ru/preobraz/
VK group https://vk.com/crit1
Project "Scientific Criticism" - http://www.crit1.ru
Support the author financially: https://www.donationalerts.com/r/timu...