Every legal amateur radio operator in the world has a unique callsign assigned to them by their government, and many of us are better known by our callsign than our given name. But what world event was it that caused these monikers to be? Why are they constructed the way they are? Watch this video I put together as presented at the QSO Today Expo in March 2021, and discover for yourself the storied history of the ham radio callsign!

73! Mike Ritz, W7VO

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