Thank you. I stand corrected. I missed the tone reduction feature. This makes it much more interesting. This is the one feature that I really miss having on the K2. John KH7T Bob Lewis (AA4PB) wrote: > It has an automatic notch (tone removal they call it in the > brochure); -50 dB and -65 dB per the specs. Kh7t had written >>It does not appear to do a digital notch of interfering carrier >