Tutorials


What is a passively amplified antenna?

Right now, amplified antennas are all the rage. They promise small size and big performance, and with the right amplifier and the right situation, they deliver. However, there are two kinds of antenna preamps — active…



What is “zero rating?”

Zero rating is a big buzzword right now. It started off innocently enough but it’s now being used in ways it was never intended. Some are calling it unfair and some are calling it a fair…



A technical guide to the LNB

Signal Group Forum User VOS is known throughout the blogosphere for his insights on RF Engineering. We’re extremely lucky to have his analysis of two DIRECTV LNBs. I’m happy to have an AIM meter for a little…





What is the best built antenna?

Sometimes there’s no substitute for the best. Not everyone plans to be a cord cutter for life but if you do, you’re going to want an antenna that gives you great performance and can stand up…