> On Jul 11, 2017, at 12:12 PM, Tim Carlson <t...@widehf.com> wrote:
> 
> Would you consider that the first signal on the left is being overdriven 
> somewhat?  Or is that just a consequence of a stronger signal?  Or is it some 
> atmospheric condition causing the signal to spread?

This could also be caused by multipath.  I saw one this morning, whose QTH I’m 
quite familiar with.  He is over 100 miles from me, but behind him are the 
Rocky Mtns.  Now and then, I would even get a double decode on him.  I suspect 
he also had some hum on his signal, as I’v seen it before when conditions were 
really up between us.  When I turned my antenna, the whole picture changed.  It 
was better at some azimuths and worse at others.

Also be sure the noise blanker is turned OFF.  The NB will cause stronger 
stations to distort and spread out like that.

Gary - AG0N
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