LA3ZA Radio and Electronics

I started by making a very simple modification for a low level audio output with level that was independent of the AF pot setting. T...

When I got my license in 2001, I discovered the Elecraft K2 transceiver on the internet and noticed the excellent reviews that it had rec...

Nice drawing of Bencher keyer by Dutch radio amateur Dick Kraayveld, PA3ALM ( http://www.morsecode.nl/pa3alm.html ) Although morse has...

Photo: LA8EKA The AT Sprint is a very nice limited edition surface mount CW transceiver designed by KD1JV Steve Weber . The printed cir...

Several fellow hams in the Asker and Bærum district have converted Mobira (Nokia) MD50 or MD59 Talkman NMT-450 phones from 1985-1988 to the ...

I am beginning to realize that I will never be able to exceed 20-25 wpm CW speed. The speed pot of the K2 however covers from 9 - 50 wpm...

When the KPA100 power amplifier is external to the K2, the KPA100 loudspeaker is unused. I wanted to use it for other rigs that need a...

My Minimal-Art-Session rig shown here was made for class B of the QRP-MAS competition which is in May every year. In class B the trans...