Many of us tried the old “Two tin cans connected by a string” experiment as kids. [Michael Rainey, AA1TJ] never quite forgot it. Back in 2009, he built “El Silbo”, a ham radio transmitter powered ...
IREDELL COUNTY, N.C. — Helene knocked power out across the Carolinas resulting in cellular and internet outages. But when modern technology fails, wireless radios shine. "We have a specific mission ...
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