Pat:
I had understood that "extended reception" like you describe is due
to a thin D-Layer.
Bill Harms
On 5 Feb 2007 at 21:09, Patrick Martin wrote:
> As far North as we are, in the Winter we get constant skip during much of
> the day. I have always called the groundwave "extended groudwave". I
> remember in the early 70s on one December day of getting KYAK-Anchorage &
> KORL-Honolulu 650 both mixing at Noon. Another time at about 1 PM PST, I
> was getting all sorts of Midwest stations, and I didn't even have a
> beverage in those days. WLS, WCCO, WGN, WHO were all in. Of course there
> are more stations on these days and the frequencies are not as clear as
> they were 35-40 years ago. That was also in the time when I had China 1040
> in until almost Noon PST!
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