GRCon is the annual conference for the GNU Radio project & community, and has established itself as one of the premier industry events for Software Radio. It is a week-long conference that includes high-quality technical content and valuable networking opportunities. GRCon is a venue that highlights design, implementation, and theory that has been practically applied in a useful way. The conference has grown in size every year, and we are once again expecting significant growth this year. GRCon attendees come from a large variety of backgrounds, including industry, academia, government, and hobbyists.