EI7GL....A diary of amateur radio activity
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Showing posts with label
WA2XMN
.
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Showing posts with label
WA2XMN
.
Show all posts
Thursday, August 5, 2021
The Experimental Station WA2XMN on 42.8 MHz
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In 1933, frequency modulation or FM radio was invented by Edwin H. Armstrong in the USA to reduce the static and interference associated wit...
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