Marconi CR100 dials and buttons now control an SDRplay RSP1 SDR running HDSDR.
Gives you an idea of how far analogue design has come and if we are honest, we prefer knobs to a mouse.
Our main receiver at The Listener's Guide and one that's hard to beat.
The Secret Life Of Machines was a TV series made for Channel 4 and also shown on the Discovery Channel. The series was written and presented by Tim Hunkin.
Any electrical spark creates radio waves and acts as a transmitter. See how this lead to the radio we enjoy today.
The National Physical Laboratory's Peter Whibberley discusses the effect of the Leap Second.
The endless appeal of the simple regenerative receiver.
Liked for low noise and directional properties against interference.
Allowing amateur radio operation from an apartment or balcony.
This back-to-basics radio really performs and sounds good too.
Lots of fun if the bands are not too crowded and you are not expecting DX.
A bit of an over-statement but a lot of fun.
And good to know it still works that way, even to your mobile device.
John Wilson takes a lesson from history.
A change of design is needed to improve the performance of HF receivers.