A Century of Amateur Radio and the ARRL:

eHam.net Article: A Century of Amateur Radio and the ARRL: – Looking further at the early 1950s, we see that amateur incentive
licensing (an on-again/off-again thing with the FCC) ended on February
18, 1953.

Source: www.eham.net

Another thoroughly enjoyable segment of "A Century of Amateur Radio and the ARRL" by Al Brogon (W1AB).  In this edition, Al continues with some of the innovations of the early 1950s, including incentive licensing, the introduction of ferrite cores, the first use of transistors in a ham transmitter, 2 meter signals bounched off the moon, and meteor scatter experiments on 20/15 meters.  Lots of good stuff in this article.  Aloha de Russ (KH6JRM).

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