Phil Karras is back with even more great stuff!Read More
Articles by Phil Karras
Phil Karras is back with another excellent deep dive!
Phil Karras is back with some really great insights!
Phil Karras is back with some truth about batteries. The cheapest isn’t always the best!
Phil Karras is back with another in-depth test!
Phil Karras is making the most of his quarantine time, for sure.
Phil Karras brings the technical knowledge that no one else can!
Engineer Phil Karras takes us all to school with a great article.
Phil Karras is back with some real, hardcore testing!
Antenna blogger Phil Karras is back again with the kind of in-depth testing you won’t find anywhere else!
Phil Karras lays it all out!
Phil Karras takes a look at fraudulent batteries.
To Balun or Not to Balun That TV antenna? When should it be done? In an article of mine published in Popular Communications, January 2013, “An Omnidirectional DTV Antenna – With Gain,” I included a little…
I said I wasn’t going to give you equations for calculating gain, loss, and Noise Figure/margin but I will explain how I estimate the Noise margin (NM) of the antenna system. I’ve worked in a…
I have been given or purchased a number of various USB power banks. These power banks are designed to replace the AC outlet with a USB power supply so that when you’re in the field and…