SCIENCE NEWS – 1305
$1.65
Radio and electronics specialist Frank Simonsen discusses the long-delay echo phenomenon, which has been theorised as being caused by ionospheric action or even interference by alien space probes.
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Description
SCIENCE NEWS – 1305
Radio and electronics specialist Frank Simonsen discusses the long-delay echo phenomenon, which has been theorised as being caused by ionospheric action or even interference by alien space probes.
