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carlossilva33 | Better HN

carlossilva33

-2 karmaJoined September 29, 201715 submissions

Recent submissions

1

Amazonian dark earth (opens in new tab)

(en.wikipedia.org)

1carlossilva338y ago0

2

DOD “communications interoperability” training exercise November 4-6 (opens in new tab)

(arrl.org)

2carlossilva338y ago0