If you cultivate an interest in building radios it’s likely that you’ll at some point make a simple receiver. Perhaps a regenerative receiver, or maybe a direct conversion design, it’ll take a couple ...
Abstract: The multi-frequency multipath observations of temporal variations in the Doppler spectra and signal amplitudes of HF radio waves reflected from the ionosphere, which accompanied ionospheric ...
Abstract: A new microstrip endfire array antenna with vertical polarization is proposed in this paper. The novel array element consists of two symmetrical rectangular patches on both sides of a ...
Frank Cottrell-Boyce and Cressida Cowell recommend a selection of children’s books.
George Godfrey presents the best new music from the ten boroughs. Reaction from the managers plus your chance to have your say by calling 0800 218 2255.
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