RE: [amsat-bb] Predictability of AO-7 Modes

["Christensen, Eric" <CHRISTENSENE@xxxxxxxxxxxx>]

Why is it seasonal?

Eric KF4OTN



From: Roger Kolakowski
Sent: Sun 08-Jan-06 13:13
To: amsat-bb@amsat.org
Subject: [amsat-bb] Predictability of AO-7 Modes


Emily, W0EEC, has a great chart on her website which shows that AO-7 has
"some" predictability as to which mode it will come up in on a month to
month basis. No more looking for Mode A during the winter months, at least
in the northern hemisphere. This is a 3 year study which is VERY revealing.
Check it out...

"AO-7 has shown to have relatively predictable cycles in the mode it will
support. In the summer months it is likely to be in Mode A a larger
percentage of the time, and in the winter months it is most likely to be in
Mode B. Here is a month by month graph based on the input to this site"

http://www.emilyshouse.com/experthams/ao7/stats2.php

Thanks Emily!

Roger
WA1KAT
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