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02/15/2016 | Presidential Signing Creates a New National Parks on the Air Unit
President Barack Obama has designated three new national monuments -- all of them in the California desert -- through the Antiquities Act. The National Park Service will administer one of them, Castle Mountains National Monument (MN82), making it elig...
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01/04/2010 | Amateur Radio Quiz: The Transistor, Our Three-Legged FriendWhat piece of active equipment in the ham shack doesn't have a transistor in it somewhere? Could you troubleshoot that equipment? While transistors are nearly ubiquitous, we often don't understand their inner workings as well as we might like. Here are so
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