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Bob the Traveler /
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2024-03-25 03:48:00

Bob the Traveler on Nostr: A. S. Popov made the first #radio signal transmission in history OTD in 1896 ...

A. S. Popov made the first #radio signal transmission in history OTD in 1896 https://cromwell-intl.com/radio/hfqrp.html?s=mb #history
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