Category Archives: Amateur Radio

MFJ-492X How-To Reset on Fail

Posted on April 20, 2013 by Bill

The other day when I tried to power-up my MFJ-492X memory keyer, all I got was a short, low frequency “bzzz”.    The lights down the left side of the front panel cycled as normal, but it wouldn’t generate any tones. … Continue reading →

Posted in Amateur Radio | 3 Comments

90th running of the Pikes Peak International Hill Climb

Posted on October 10, 2012 by Bill

Working communications for the 90th running of the Pikes Peak International Hill Climb (PPIHC) made for a long day.   Arriving at 3AM to set-up, and finishing after 8PM, it proved taxing and rewarding.   The race was delayed 37 days due … Continue reading →

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Quicksilver Radio

Posted on July 30, 2012 by Bill

After deploying for the Springer fire, arson investigation, and the Waldo Canyon fires, I have a few days to get ready for the Pikes Peak International Hill Climb (delayed due to fire).    Getting up on the mountain at 3AM, and … Continue reading →

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Arduino Iambic Keyer and Side Tone Generator

Posted on March 23, 2012 by Bill

The latest issue of QEX (March/April) came this week with an article about an open-source keyer (pages 25-31).   This article referenced an earlier QEX article from Sept/Oct 2009 using an Arduino.    Since I have a Bencher paddle lying around, but … Continue reading →

Posted in Amateur Radio | 20 Comments