Sporadic E szaleje na 144MHz
Od kilku dni
http://g7rau.co.uk/soft/downloads/sporadic_e.pdf

http://www.g7rau.co.uk/default.aspx?menu=21001


http://www.dk5ya.de/

https://www.antennex.com/prop/prop0806/prop0806.pdf

http://www.wia.org.au/members/armag/2012/april/documents/HarrisonEsPt1.pdf

http://www.vklogger.com/forum/viewtopic.php?f=43&t=9832





chordal hop - a hop with two or more consecutive ionospheric reflections from the same layer


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