RSGB 2020 Convention Online presentation - VHF/UHF radios for contesting and DXing
Alwyn Seeds, G8DOH The talk discusses the important specifications for high performance VHF and UHF radios and how these can most easily be achieved. Emphasis will be placed on achieving adequate receive sensitivity in the presence of strong unwanted signals. For transmitters, the importance of achieving low radiated noise will be explained. The talk is illustrated with measurements for a variety of radios based on both conventional and software defined radio design approaches.