My QMX-Plus has steeper selectivity skirts (programmable) than my FT-891.? With both set to a 50 hz bandwidth setting listening to CW at the lower ends of 20 and 40 meters, my QMX+ seems "quieter" when referencing the no-signal background noise level.? Somewhat relative of a comparison, I can copy the weak signal on either rig.
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Mark K9TR