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Sierra Modifications

The Sierra QRP HF CW transceiver is a popular kit amongst QRP Homebrewers. It was designed by Wayne Burdic, N6KR and the design was later published in NorCal, (Northern California QRP Club). A revised circuit and construction information for the Sierra is featured in recent ARRL Handbooks.

You will find a detailed description of the Sierra at the following site:

PC boards for the Sierra are advertised as being available from Far Circuit PC Boards. For ordering information see:
I obtained the main transceiver board and 5 band plug-in band modules in 1996. After locating the parts and building it, I decided that there were a couple features that would inhance the performance of the Sierra. They are:

a. Improve AGC,
b. Add XIT to existing RIT circuit,
c. Improve QSK TR switching,
d. Increasing power output,

Page Under Construction....
FIG 1. My Portable QRP Station.

FIG 2. Inside view of Sierra.

FIG 3. Sierra Front Panel.

FIG 4.Inside view of QRP Antenna Tuner.