Monthly Archives: September 2007

The NAQRP straight key Sprint

2007/09/20   “ NAQRP straight key Sprint “   This contest was held on September 19th, from 8:30PM to 10:30PM (EDT).   I was not planning to join the contest and I was so happened to listen to the 40m band … Continue reading

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Coax Cable Antenna Switch, homebrew

2007/09/06 “Coax Cable Antenna Switch”   I built the coax cable antenna switch which was published on the QST, April, 2005 issue.  It was designed by KO4NR, Bill Smith.  I do not have much experience and knowledge of the relays … Continue reading

Posted in ham radio | 5 Comments