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\nWINLINK Exercise for week starting 04/20/2026. Please use a WINLINK Check-in form and reply to K7ACT.
\n
\nApproximately how long does it take the increased ultraviotet and X-ray radiation from solar flares to
\naffect radio propagation on Earth?
\n
\nA. 28 days
\nB. 1 to 2 hours
\nC. 8 Minutes
\nD. 29 to 40 hours
\n
\n\n');