biquad

10 лет назад

This video shows how to build a powerful, portable Wi-Fi antenna using a sardine can and a cheap Wi-Fi dongle. The creator demonstrates how to modify the dongle and build the antenna, providing tips and tricks along the way. The video concludes with a test of the antenna's effectiveness.

10 месяцев назад

This video explores the construction and operation of a "double quad" antenna, also known as a "bi-quad." The presenter demonstrates how to build these antennas for various frequency bands, including 2 meters, 70 centimeters, and 23/24 centimeters. They also discuss the benefits of adding reflectors to increase gain and how to adjust the distance between elements and reflectors to achieve desired impedance.