It might be that as the signal travels along a great circle path, if there is daylight anywhere along that path, it would probably seriously degrade the signal.
Russ Edmunds 15 mi NW Phila Grid FN20id <[email protected]> AM: Modified Sony ICF2010's (4) barefoot w/whip FM: Yamaha T-80 & T-85, each w/ Conrad RDS Decoder; Onkyo T-450RDS; Tecsun PL-310 ( 4); modified Sony ICF2010's (3) w/APS9B @ 15'; modified Sony ICF2010 w/whip On Fri, Nov 25, 2016 at 12:44 PM, Paul B. Walker, Jr. < [email protected]> wrote: > ... One of my regular visitors is AFN 810 The Eagle from Yokota Air Base in > Japan, with 50,000 watts. > > The signal can be quite good at times, but it doesn't last too long and > fades out to mush but often comes back > > Also, it peaks about an hour before local sunset (sunrise is 1930UTC) and > is gone just as the sun begins to rise. > > I know what it starts to break up at sunrise, that's obvious.. but it's > never really present before 1830UTC, why is that? It's still dark in Japan, > barely past Midnight local time, so one would think I could hear it well > when it's dark in both places. > > Also why does the signal take such dramatic dives? Those dives happen > everyday. > > I'm sure there's a reason for this and with the extreme cold I'm now > dealing with, I just like to figure this out so I can figure otu the best > times to go out and maximize the signal I hear/can get. > > Paul Walker > Galea, Alaska > Lower HF225 > Grundig SAttelit 750 > Two 225 foot long wires > WEllbrook ALA1530LNP > DXEngineering HF PreAmp > 3 antenna coax switch > _______________________________________________ > 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] > > _______________________________________________ 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]
