Category Archives: Amateur Radio

Radio & Electronics stuff.

Solar Charge Controllers

I’ve built a few charge controllers, half of them are built from scratch. All but one were placed in home-made aluminum clamshell cases, and two of them are shown here. The first one is from an article in August 1980 … Continue reading

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My NN1G 30mtr QRP Rig

Back when Dave Benson’s Small Wonder Labs was still in business, I purchased one of his kits and later assembled it and put it in one of my home-built clamshell cases. Like everything else I built, little was done to … Continue reading

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MicroShack-40/Exp Rig

Back in the early 90’s, and years before I got my amateur license, I loved building electronic devices. A lot. One day, after seeing Roy Lewallen’s article, An Optimized Transceiver, I got the bright idea to build a complete ham … Continue reading

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Cute Little Step Attenuators & an L/C Antenna Tuner

After sharing my SWR meters with the world I decided to share some other items I made to go along with it. Here is are a pair of step attenuators and an L/C  Tuner for QRP operations I built into … Continue reading

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A Cute QRP SWR Meter

Some years back I made a cute little resistive SWR bridge and tossed it in a box. Recently I decided to share it with whoever may find this site. The only critical element to this unit is the resistors in … Continue reading

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