In this video, I explain how band-pass filters can reduce or eliminate QRM (interference).
Using a spectrum analyzer, I demonstrate a band-pass filter that I built based upon an article I found in the September 1988 edition of QST magazine. The article can be read here:
Here are the basic tools that you will need for electronic projects. It’s a great time to tinker with electronics because there are so many radios, antennas, tuner, and other gadgets available as kits. Of course, you can “homebrew” your own gizmos, too!
Winlink lets you easily send/receive email from anywhere on the face of the Earth with your HF radio. This is a key component of disaster preparedness for hams who will step up and provide communications for others in a time of need. (The impending Zombie Apocalypse is reason enough to learn this, people.)
In the first 7 minutes, I give you the background information on Winlink… what it is, why it’s important, and how it works. Then, I fire up the computer and a QRP radio (naturally!) to do a demo of sending and receiving email.