I would try one or two bandpass cavities between the duplexer and the receiver of the victim repeater. The symptom you describe is that of poor selectivity and possibly receiver IM. A ferrite isolator on either transmitter won't have much effect on signals that mix in the receiver front end.
73, Eric Lemmon WB6FLY Q wrote: > > Trying to troubleshoot an intermod??? problem between two repeaters. The > 146.10/.70 repeater's receiver gets blasted by the 147.90/.30 transmitter > but only when they are both transmitting. Yes,the transit freqs are 600khz > apart and they are only 5 miles apart. Would a circulator help this problem? > Also have similar problem between the 146.07/.67 and the 147.87/.27 > repeaters when they are both keyed up. Ideas? > > > Yahoo! Groups Links > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/