LA3ZA Radio and Electronics

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

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 ...

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...