On Sunday 17 November 2002 16:42, Bill L. Fuqua wrote: > What about a parasitic oscillation? > > Usually VHF parasitic oscillations are very obvious but if there (for what > ever reason) was one that was not as power producing as usual. 73 I think it would have to be reasonably close to, or lower than, the signal frequency for 100W ish to get through the tank circuit and reach the o/p connector. Steve