Tom,
I find the noise blanker on the K3 to be extremely good. I have been plagued with power line noise for years at my QTH, and the K3 is the first rig I've owned that can knock it out. It takes a bit of tweaking, and for reasons I don't understand the power line noise on Tuesday night might require a different setting than the power line noise on Monday night. During the Geminids meteor shower last month I had some strange impulse noise that would have wiped me out with my previous rigs. With the K3's noise blanker I was able to carefully remove it without destroying the weak-signal capability and worked a pile of stations on 6m meteor scatter.
Try one out--you'll love it!
73 Eric WD6DBM
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