PreppComm Blog

PreppComm started out as an effort by one person, but was quickly supported by a number of other amateur radio operators.  Without that support, Pr...

We’ve taken notice of you international visitors to the PreppComm website and appreciate your interest in the DMX-40. Until now we’ve shipped only ...

How much power is enough to rule the airwaves the way you want? You hope that you have a truly powerful battery bank, or you’ll be out of business....

The Development Journey, Part IV As I mentioned before, we could see that the receiver sensitivity in the small-scale QRP 40 meter radio stood to...

The Development Journey, Part III Once we got past the decoding issue we were ready to complete the graphical user interface, build a cabinet, ass...

The Development Journey, Part II Portable transceiver—check! Interactive screen—check! Everything was looking good so far. Our Arduino-based HF tra...

The Development Journey, Part I I was born with an inquisitive mind and my parents let me run with it. Later, when I entered the work world, I bega...

How the Project Began  Why add one more ham radio to the market? And why one that encodes and decodes Morse? It’s just one more product in the ama...