The partial eclipse will begin at 15:46 UT over the Pacific Ocean. Total eclipse will begin at 16:48 UT and reach the Oregon coast by 17:16 UT. It will pass north of Kansas City at 18:08 UT. The peak of the eclipse, corresponding to the longest duration of totality (2m 40s), will occur at 18:20 UT near Hopkinsville (Kentucky). Totality will end at 20:02 UT and partial eclipse will end at 21:04 UT.

Duration of total eclipse: 16:48 - 20:02 UT. Across western North America the prime time of interest is 17:10 - 18:15 UT. See animations of the eclipse at https://www.timeanddate.com/eclipse/solar/2017-august-21(external link)

A web site dedicated to study of the eclipse using amateur radio has been set up by VT SuperDARN alumnus Dr. Nathaniel Frissell (W2NAF) , see

http://hamsci.org/eclipse(external link)

Also possibly of interest:

http://w2naf.com/rbnlive/(external link)

Read 25 facts about the eclipse, courtesy of Astronomy magazine:

http://cs.astronomy.com/asy/b/astronomy/archive/2014/08/05/25-facts-you-should-know-about-the-august-21-2017-total-solar-eclipse.aspx(external link)

Previous eclipse events observed by SuperDARN radars were reported in these News items:

2015 - Svalbard http://vt.superdarn.org/tiki-read_article.php?articleId=200(external link)

2012 - Japan http://vt.superdarn.org/tiki-read_article.php?articleId=86(external link)