The SX-99 is a single conversion radio with a 455 KHz IF and it is not a source of parts; the SX-101 or maybe even the S-76 could be, since they both use the same 1650/50 KHz IF scehme. 73 Mike WA4DLF __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com