Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital data modes to play with. [KM6LYW ...

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Abstract: We propose a simultaneous multifrequency near-field radio holography method for measuring reflector surfaces of radio telescopes with high precision. With a comb spectrum generator as the ...

Abstract: This article reviews the current state-of-the-art of active-integrated antennas co-designed with power amplifiers (PAs). Three strategies to improve output power and power-added efficiency ...

This is BBC Radio 5 Sports Extra - bringing you even more live sports commentaries. This is BBC Radio 5 Sports Extra - bringing you even more live commentaries from the world's greatest sporting ...

PHOENIX — Randy Malick knew when he moved into his subdivision seven years ago that the homeowner rules did not allow amateur radio towers. But he decided to buy a house anyway in the Rancho Vistoso ...

The boss of JCB says the Chancellor can't 'tax her way to growth' in November's Budget. Tony Livesey with late night conversation, the stories that matter to you, and in-depth interviews. Join the ...

Bell Labs built a giant antenna in Holmdel, New Jersey, in 1960. It was part of a very early satellite transmission system called Echo. By collecting and amplifying weak radio signals bounced off ...

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