LA3ZA Radio and Electronics

Tonight I sat down to fiddle with the macros of my Elecraft K3. As I already use M1-M4 for CW memories, I only had the PF1 and PF2 butto...

The Model One has been a huge success. But in many ways it is a daring retro design judging from all the features that are missing in th...

How do the cheap Baofeng handhelds compare? I have had the Baofeng UV-5R since I bought it from the  409shop  in April 2012, but recently ...

There aren't that many modifications that you can do to the Elecraft K3. This is very different from the K2 as in my list I now have 138...

Nice drawing of Morse key by Dutch radio amateur  Dick Kraayveld, PA3ALM ( http://www.morsecode.nl/pa3alm.html ) In the early 90'...

Here's a design for a 1 MHz amplitude modulated (AM) transmitter. I've been looking a while for something like this, a simple shor...

I had the privilege of living in Paris with my wife a few years ago. At that time, 2008/2009, the series for car license plates had just com...

The IARU HF Championship took place this weekend. This is the contest where every country has national stations which exchange the abbrevi...