Surprise! Shortwave radio as a broadcast medium is holding its own, despite the intrusion of the internet, transmission cutbacks by major broadcasters such as the BBC World Service and Voice of ...

Most shortwave receivers for use ‘in the shack’ have a 50-coaxial input (usually a SO239 socket) which is not directly suitable for the high impedance of a typical long-wire antenna. The problem is ...

There is a new breed of RF receivers known as software-defined radios, and they are revolutionizing the way in which people listen to shortwave (SW) radio, or indeed any form of radio broadcast. SDRs ...

This is a Preselector for SW receivers (diy hf preselector) circuit. The entry low capacitance of MOSFET modern, with two gates, will create negative inverse reaction through a uncoupled source ...

No audio available for this content. First GNSS-SDR Galileo standalone position fix using the four available satellites (Position obtained at the CTTC headquarters on 2013-Nov-10 15:52:14 UTC).