Your Friend, The Voltage Regulator.

An old concept. The voltage regulator has been around since the days of the vacuum tube. Modern radios are especially dependent on them. What are they, and why do they matter? In electronics, current can and does vary but voltage usually does not, or should not. Radios generally do not like … Continue reading

To Whom It May Concern.

A curious trend. Just over two weeks ago, traffic to Off Grid Ham exploded. By January 15, OGH racked up more page views and unique visitors than it usually gets in an entire month. At this writing the website has surpassed its previous monthly traffic record by many thousands of views/visitors, … Continue reading

The Secret Life of Multimeters.

As basic as it gets. If you do not own at least one good multimeter, you're not a serious off grid amateur. If you're new to amateur radio, ok I'll give you a pass. For everyone else, multimeters are such a fundamental tool that there isn't any wiggle room on this. It really is that … Continue reading