The article below was originally published in the September 2014 issue of The Spectrum Monitor (www.thespectrummonitor.com) and is used by permission of the publisher. Regular contributor to TSM, Mario Filippi N2HUN, takes this spectrum analyzer dongle to the VHF and UHF bands, looking for signals. He notes, “Unquestionably, this is one of the most useful pieces of radio gear I have encountered as a hobbyist in many years!”