Category: Amateur Radio

Dual Band BITX40 Project Update

I’ve written about putting together a dual band BITX40 in the past and the methods I used had varying success. The idea was to augment the built in filters with switched in/out add-on filters from QRP-Labs. This is a sound idea, but the layout of Low Pass Filter on the BITX40 really didn’t allow it …

Continue reading

A Simple 5v Power Supply for Arduino, U3S and more

Many electronics experimenters and builders take the lowly 7805 regulator for granted, and we pop it in a circuit without a second thought and move along. But for beginners who are wondering how to power their Arduino or other 5 volt project (such as the QRP Labs U3S) from a 12v-13.8v power supply, the 7805 …

Continue reading

Arduino is so easy that MisDotGeek gets a new header

It isn't pretty, but it works!

I sat down at my desk tonight not sure what I was going to do. Right now I’m between QRP projects, as my uBITX hasn’t arrived yet and I’m not quite ready to put up my new antenna (I’ve got some building to do). So I grabbed an Arduino from my parts bin and a …

Continue reading

Ham Radio for $100 Part 1: VHF

It is often said that ham radio is a very expensive Hobby. It is my aim in this blog post to show you that while ham radio can be expensive, it doesn’t necessarily need to be expensive to get started and have a lot of fun on the air! We’re going to look at three …

Continue reading

W7RLF talks BITX on Amateur Radio Roundtable with Tom, W5KUB and Dave KE0OG

On January 2nd 2018 I was honored to be a guest on Tom Medlin’s Amateur Radio Roundtable over at W5KUB.com.   Dave Casler KE0OG, Tom and I discussed various BITX40 and uBITX questions: Are the BITX radio beginner friendly? Is it hard to get contacts on the air? Are there cases available for those who …

Continue reading