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by thsksbd 743 days ago
But the band was free for use, wasn't it? (Obviously not crowded)
2 comments
ianburrell 743 days ago
The ISM band is 2.4-2.5 GHz. Voyager at 2.3Ghz is outside the band.
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anotherhue 743 days ago
Available for microwaves since 1947, intentional emission came later in the 80s.
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