LA3ZA Radio and Electronics

Tonight I made the first successful decoding of WSPR on the 630 m band. What inspired me was all the talk on the Elecraft reflector on the...

This past weekend during Hammeeting - the largest Ham rally in Norway - I met Per LA9DTA. He showed me his beautiful crystal radio. It ...

It was time to upgrade the interior lights in my 2004 Volvo. I got some lamps from Ebay specified as 42 mm LED Festoon, 80-85 lm, 12V. As ...

For me South America, Australia, and Africa are quite rare on WSPR. But they all heard my tiny 0.2 W signal the night between 31 March and...

Many places in the world, low power transmitters in the medium wave band are allowed. I am talking about regulations like in the US where ...

As I wrote in my blog post a few days ago , I got the intensity down for night vision for my red flashlight. But I wasn't quite happy ...

I got this red LED flashlight as a Christmas present. But unfortunately the intensity was way too high for what I intended to use it for. ...

This is what Ed Muns,  W0YK, said in an interview the other day, and goes on with  " because they see this as kind of old school stuff...