Ryan Flowers writes, “A fun project for every QRP enthusiast is an L-match tuner. We’ve built a couple here at MiscDotGeek and our latest build inspired Billy Dunn (AF5HD) to build a similar tuner. We have to say, this one turned out better than ours did!” More details on MiscDotGeek blog.
Tag Archives: QRP
The Sproutie “SPT” Beacon – A legal, unlicensed HiFER beacon
Dave Richards (a.k.a. AA7EE) has written an article detailing his “SPT” Sproutie HiFer beacon project: My first “proof of concept” at putting together a beacon for this band was to connect an N0XAS PicoKeyer in beacon mode to my Pixie 2 transmitter. With the PiicoKeyer, if you insert the prosign BN at the end of stored […]
Bitx20 V3 “Dead bug style” new bandpass filter
A Bitx20 band pass filter from Pa1ed: the bandwith of my bandpass filter in the Bitx 20 was very small.Only 100KHz or so.I found this filter on the internet,and after I,ve build the filter I found out that this was the filter used in the Bitx20A from Hendricks QRP kits.Because I wanted to use the […]