What Have You Got To Lose?
Phil Karras is back with even more great stuff!
Read MoreArticles by Phil Karras
What Makes It an Antenna Anyway?
Phil Karras is back with another excellent deep dive!
Any Antenna May Do
Phil Karras is back with some really great insights!
Which Is the Best Rechargeable Battery?
Phil Karras is back with some truth about batteries. The cheapest isn’t always the best!
Power Saver Boxes Claims, Debunked
Phil Karras is back with another in-depth test!
Emergency Make-Do TV Antennas
Phil Karras is making the most of his quarantine time, for sure.
Bowtie Antenna Length Tests Plus
Phil Karras brings the technical knowledge that no one else can!
Dipole Antenna Length Tests
Engineer Phil Karras takes us all to school with a great article.
ClearTV mini Antenna Tests, Sort-of
Phil Karras is back with some real, hardcore testing!
Emergency TV Test
Antenna blogger Phil Karras is back again with the kind of in-depth testing you won’t find anywhere else!
Not all Lithium Batteries are Created Equal!
Phil Karras lays it all out!
Bogus Li 18650 Batteries
Phil Karras takes a look at fraudulent batteries.
Balun Use and Antenna Updates
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…
How to Estimate your Signals
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…
USB Power Bank Ah Rating Evaluation
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…