MFJ was my first try. The tech told me that they only have parts for the MFJ434 and use a different chip. Suggest I try RadShack. Gary - WB4SQ --- SavageBR at aol.com wrote: > You might try MFJ > > Bruce > __________________________________ Do you Yahoo!? Take Yahoo! Mail with you! Get it on your mobile phone. http://mobile.yahoo.com/maildemo