[TowerTalk] YT and approach angles

[Gilmer, Mike]

I've been playing with YT for the past couple of nights, and would like
to know more about the approach angle information used.  If I understand
it correctly, somewhere outside of YT a lot of work was done to create a
comprehensive picture of the distribution of the relative occurrences of
signals at different approach angles on a specific band, in a specific
location, throughout the day/year/sunspot cycle.  What I'd like to know
is what changes occur to the distribution of approach angles during the
sunspot cycle and during the day.

Mike N2MG

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