[RFI] Radio signals puzzled astrophysicists for 17 years. They were coming from a microwave oven.
Steve Sacco NN4X
nn4x at embarqmail.com
Wed May 6 07:33:23 EDT 2015
[ SNIP ]
Since 1998, astrophysicists at Australia's Parkes Observatory have been
detecting mysterious bursts of radio waves (named "perytons") that
seemed to emanate from all parts of the sky. They lasted for just
fractions of a second and happened once or twice a year.
Most believed they came from somewhere quite nearby (perhaps resulting
from lightning strikes), but the bursts had some characteristics that
made it seem like they'd traveled millions of light-years from distant
galaxies or other astronomical objects.
The truth, as recently discovered by graduate student Emily Petroff of
Swinburne University of Technology, is decidedly more mundane. It turns
out the signals were generated by someone at the facility opening the
door of a microwave oven while it was still running.
[ /SNIP ]
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