Carnegie Mellon University assistant teaching professor Tom Zajdel demonstrates during a radio broadcasting class. Carnegie Mellon University first offered the Introduction to Amateur Radio course to ...
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When cell towers and internet fail, ham radio operators can still talk. How to get involved
When Helene swept across the Southeast on Sept. 27, including Western North Carolina, cell phones and internet-based communication became unusable. People still needed a way to talk — to check on ...
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