FOR SALE: 455 kHz CRYSTALS FOR CW FILTER or OSC. etc. HC6U crystals on 455 kHz. These are brand new, fully tested crystals. Guaranteed 100% accurate within +/- 30ppm Available for $15.00 each plus shipping 73 - Brian, AF4K = = = (No, I don't have any on 453.5 kHz, 465.5 kHz etc. This is it for now.) See: http://www.af4k.com/hc6u_crystals.htm