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As a 2009 QRP ARCI Hall of Fame inductee - Hans Summers, G0UPL,  is an electronic experimenter and amateur radio innovator extraordinaire.  Hans pays careful attention to compact and minimal parts count to achieve the design goals of his homebrew projects. Hans is the owner of QRP Labs joins Eric, 4Z1UG, in a conversation about QRSS slow data transmissions, high altitude balloon transponders, and shares his ham radio and electronic builder story.