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Someone is jamming a mysterious Persian shortwave spy signal
Twelve hours after the US and Israel began bombing Iran on February 28, 2026, a shortwave radio signal started broadcasting ...
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Powerful X-class solar flare erupts from sun, knocking out radio signals across the Pacific (video)
Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering shortwave radio blackouts across the Pacific Ocean, including parts of Hawaii.
Add Yahoo as a preferred source to see more of our stories on Google. Scientists have searched the skies for alien radio signals for more than 60 years, but all they’ve heard so far is what Search for ...
Despite an earlier announcement that Radio Martí was back on the air following a presidential executive order that suddenly halted the U.S.-funded radio broadcasting to Cuba, its signal is probably ...
As Solar Cycle 25 peaks, learn how increased sunspots and ionospheric ionization are boosting shortwave radio propagation.
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