http://umlcar.uml.edu/digisonde_dps.html

I've spent most of my life either working with the ionosphere as a hobby, or studying it professionally. The Lowell Digisonde is by far the pre-eminent tool for serious ionospheric research. This little primer on the digisonde should be required reading for everyone remotely interested in radio.

eric

 

By the way, we finally have some propagation up here in Fairbanks. Yay!

http://137.229.36.30/cgi-bin/digisonde/latest.cgi

Eric