--- Bill Harms <[EMAIL PROTECTED]> wrote: > Pat: > > I had understood that "extended reception" like you describe is due > to a thin D-Layer. >
*** Correct. In winter, the D layer, which would normally block the daytime E layer refraction, thins and permits some of that to get through. The length of the darkness and shortness of lightm, especially on more northerly paths doesn't allow sufficient time for the daytime D layer to build back up to full strength. Russ Edmunds Blue Bell, PA ( 360' ASL ) [15 mi NNW of Philadelphia] 40:08:45N; 75:16:04W, Grid FN20id <[EMAIL PROTECTED]> FM: Yamaha T-80 & Onkyo T-450RDS w/ APS9B @15' AM: Hammarlund HQ-150 & 4' FET air core loop ____________________________________________________________________________________ No need to miss a message. Get email on-the-go with Yahoo! Mail for Mobile. Get started. http://mobile.yahoo.com/mail _______________________________________________ IRCA mailing list [email protected] http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: [email protected]
