OT; HF "noise" sources

[Ken G Kopp]

Do a Google search for "Ionospheric Sounders".  There are hundreds of them
operating 24/7 worldwide ....
far more than the handful of OTR's.  The NBS operates one within the city
of Boulder,  for example.

There's a network of HF wave-study radars along the US west coast ... some
are in the rest room buildings of Oregon State Parks. (:-)

Ken - K0PP
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