At 04:56 PM 2/5/02 -0500, Barry N1EU wrote: >Go to menu setting 8-4 and change it to "FLAT". You will no longer see the >change below 3.5Mhz. As I postulated yesterday, it's the preamp switching >that you're observing. Yup, that's what it was. I think I like the tuned preamp better, though. Thanks, Barry! 73, Pete N4ZR Sometimes a tower is just a tower