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dave wrote:
http://www.solarcycle24.com/pictures/spots5.jpg Thank you... and that's quite a photograph. I dispute the generally-held opinion that higher sunspot numbers mean "better propagation," though. While the higher bands, say 7 MHz and above, improve -- the lower frequencies tend to get shorter and absorption gets higher. This bodes ill for 160 meters, for example, and 75 meters during the day goes almost silent (though it may be better at night for short to medium skip). And dramatic DX on longwave and mediumwave becomes less frequent. No matter what, though, it's interesting, and the clouds we cannot see bring magic. With my best, Kevin, WB4AIO. -- http://kevinalfredstrom.com/ |
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