KG7TR's Magnificent 75S-2B Receiver -- Tubes, an Si5351, an Arduino, a Bit of Collins, and a Bit of a Drake 2-B | | | | | | | | | | | KG7TR's Magnificent 75S-2B Receiver -- Tubes, an Si5351, an Arduino, a B... Radio electronics blog. Homebrew ham radio. SolderSmoke podcast. QRP | | |