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Old December 15th 06, 05:00 AM posted to rec.radio.amateur.antenna
C. J. Clegg C. J. Clegg is offline
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First recorded activity by RadioBanter: Oct 2006
Posts: 33
Default Critical Frequency and MUF

On Fri, 15 Dec 2006 01:04:42 +0000, Dave wrote:

there is a great auroral opening on 6m now and also some sporadic e
enhancements reported due to the storm, so it could have been some of that
helping things along.


As I mentioned to Owen, I don't know a lot about sporadic E, but I assumed
that it required that there be an E layer to begin with, and wouldn't the
E layer be pretty much gone along with the sun? (this was 7:30 PM.)

Anyway, doesn't sporadic E mainly help higher frequency communications,
like 10 or 6 meters or above? This was somewhat above 4 MHz, above 75
meters, considerably below what I would have thought would have been
affected by sporadic E. But, like I said, I don't know very much about
sporadic E.