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The Billion-Year-Old Radio Signal
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CHIME: Science with Amateur Radio Roots
A Ground-breaking Experiment
Martín Butera, our former RadioUser columnist has written a fascinating article about what surely must count as the ultimate DX: radio signals travelling a billion light years through space. They have been detected by radio astronomers in Canada.
As many of you will know, this branch of science has its roots in amateur radio, military technology and related subjects.
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Meet CHIME, the Canadian High-Intensity Mapping Experiment and marvel at what can be achieved with this antenna array.
(Source: CQ Amateur Radio, January 2023: 12)