There are currently a set of filters on eBay for the FT1000MP series of transceivers 250, 500 and 2000Hz. Also a FT1000MP with the CW TX click mod. 73 David G3YYD On 17/07/2011 11:42, Christopher Plummer wrote: > Peter, > > Seeing as it seems to be a problem with filters in your RX, maybe it is time for an upgrade. > > Chris