Page 1 HobbyPCB, LLC. Hardrock-50 Spurious emissions data spectrum analyzer plots 1.8 MHz 1.9 MHzPage 2 2.0 MHz 3.5 MHzPage 3 3.75 MHz 4.0 MHzPage 4 7.0 MHz 7.15 MHzPage 5 7.3 MHz 10.1 MHzPage 6 10.15 MHz 14.0 MHzPage 7 14.175 MHz 14.35 MHzPage 8 18.068 MHz 18.168 MHzPage 9 21.0 MHz 21.225 MHzPage 10 21.45 MHz