[BC] Nominations For Best sounding AM
Richard Fry
rfry at adams.net
Tue Feb 23 09:03:02 CST 2010
Warren Shulz wrote;
>If you move out to open area devoid of power lines and urban noise you
>may find conditions are still good to copy WLS-AM-890 on sky-wave.
________________
One might add also that skywave propagation favors longer paths during
periods of minimal sunspot activity such as we're having now.
At least that's my experience here in Quincy when listening to the Chicago
Class A stations well after dark. From 225 miles, nighttime WBBM normally
is noise-free on an indoor radio here, when sunspot activity is high. Right
now they can have fairly long periods of co-channel interference from a
Spanish-language station.
It might be that these periods of several years of low sunspot activity are
the reason why people can think the performance of Class A stations is "not
what it used to be," even though their ERP has not changed,
RF
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