Hello Glen, The SX-104 is a 30-50 Mhz receiver. 1957-58. 8 tubes. Slide rule dial. 73, Bruce WA8TNC ================ Glen Zook wrote: > I am not familar with the S-104, can you describe it. > > Glen, K9STH > > --- GBrown <gkbrown at gwi.net> wrote: > > I have parts for the S-104, what mite you need?