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Mark Keith wrote:
Dang...Didn't even think to look at the tv...It's kind of a hassle, as I have to unhook the cable, etc...The KH6's seemed pretty F layerish. Real steady for long periods of time. Almost like 10m. Some of the stateside stuff might have been e layer. MK See, I *knew* there was a good reason I don't have cablegrin! The Vancouver DXer was certain the opening was double-hop Es. The E and F layers are both ionized layers of the upper atmosphere that refrace radio signals. It's already accepted that a F1 layer merges with F2 at certain times - my question is whether maybe both F layers merge, at least partially, with the E layer on rare occasions. The immense magnetic storm we've experienced would certainly seem capable of triggering unusual effects. The Texas and Louisiana reporters did feel the signals had F-layer characteristics - severe multipath (much easier to detect with TV signals than with SSB!) and a relatively stable MUF within the TV channel. Given the difference in locations and latitudes, I suppose it's possible there was double-hop Es and F2 at the same time! -- Doug Smith W9WI Pleasant View (Nashville), TN EM66 http://www.w9wi.com |
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