LA3ZA Radio and Electronics

We all want to package our electronics projects in some nice enclosure. An Altoids tin is often used - and I have used that a lot myself . ...

Norway has had its fair share of precipitation this winter. Along the coast most of it has been in the form of rain. But that is different...

I'm a great fan of Hans Summers (G0UPL) and his effort in launching kits for various slow speed modes. In fact I have all three genera...

Photo @LA3ZA   Here's an adapter that emulates both a single-lever paddle mode and the  ultimatic mode. It is meant to go between a...

The audio in particular should make it clear how busy the frequencies around 433.92 MHz are: Data recorded from an RTL-SDR USB...

Yesterday's post entitled "Car keys in the 70 cm band" showed a very busy band around 433.92 MHz with up to 10 simultaneous tr...

The 70 cm amateur band covers from 432 to 438 MHz  in Norway  and radio amateurs have primary status. Secondary users are among others remo...

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...