Tim Duffy K3LR

Biography:

Tim has been an active amateur radio operator for over 54 years – starting as WN3SZX in 1972.  He has hosted over 200 different ham radio operators from around the world as part of the K3LR Multi operator Multi transmitter radio sport contest efforts and youth outreach projects since 1992. K3LR has built a 14 tower station with 11 operating positions. He was the ARRL Atlantic Division Technical Achievement award winner in 1998.  Tim has been the moderator of the Hamvention Antenna forum for 42 years. K3LR serves as chairman of Contest University (19 years), the Dayton Contest Dinner (32 years), chairman of the Top Band Dinner – as well as co-coordinator of the Contest Super Suite (39 years) in Dayton during the yearly Dayton Hamvention.  He is founder and moderator of the popular RFI Reflector (RFI@contesting.com) since 1999.  K3LR serves on the WRTC2026 Advisory Board. Tim also serves on the board of directors of the World Wide Radio Operators Foundation (WWROF) as Chairman and is President Emeritus of the Radio Club of America (RCA).  Tim is multiyear President of the Mercer County Amateur Radio Club (W3LIF/W3JTV).  K3LR is Vice President of the North Coast Contesters. Tim serves on the electrical engineering advisory board for Grove City College. Tim was elected to the CQ Contest Hall of Fame in 2006.  He was honored with the prestigious Barry Goldwater Amateur Radio service award by the RCA in 2010. Tim was honored in 2016 with the YASME Excellence award.  K3LR was also honored as Hamvention Amateur of the Year in 2015 by the Dayton Amateur Radio Association. K3LR was inducted into the CQ Amateur Radio Hall of Fame in 2024.  Tim was recognized as a leader in wireless communications with the RCA Edgar F. Johson Pioneer Citation in 2025. Tim is the Chief Executive Officer of DX Engineering. He is a graduate of the Pennsylvania State University.