Beacon In a Box A 10-Meter Auto Beacon

摘要

So the sunspot cycle's bottoming out and there won't be any DX on 10 meters til 2009, right? Wrong! There are always occasional openings on 10, even at the bottom of the sunspot cycle, due to sporadic-E propagation. But how do you know about them? The answer, in a word: beacons. Here's how to build one...