Jim Weir
A Tale of Two Antennas
With the recent rush to ADS-B, there has been a significant interest in GPS installations and even more interest in the antenna for those...
We Shall Be Led Into the Light
In 1850, British physicist Joseph Swan began experimenting with paper coated with carbon in a glass tube that was partially evacuated from air. His...
Antennas According to Jim (Ch. 1)
First, let’s talk about “polarization”; there are three polarizations. The first two are easy.