Tutorials


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…




Wi-Fi Plugs Create Smart Home

I came home from a two-week business trip that felt a lot longer than 14 days. When I finally walked inside my house, my hands were filled with luggage, two weeks of mail, and my…






Is burn-in a problem on LCD screens?

What a nightmare. Back when a decent-sized flat panel could set you back $10k or more, many a proud owner dreaded the day when he would come home and find the words “Now Playing” or some…


COMMUNICATIONS PIONEERS: Elisha Gray

The person who invented the telephone. Was it Alexander Graham Bell? Maybe. Bell gets the credit, largely due to clever legal maneuvering and light traffic on the way to the patent office. In the late 19th…


TIP: Remember to recycle dead batteries

It’s a fact that all batteries, even rechargeable ones, wear out eventually. As wonderful as all our gadgets are, they produce a constant stream of used, useless batteries. Unfortunately, batteries are full of all sorts…


BEWARE the 1.2 meter Alaska/Hawaii dish

Bigger just has to mean better, right? That’s not the case with the 1.2 meter DIRECTV dish designed for use in Alaska and Hawaii. It’s quite a behemoth, so before you think about using it to improve your…