Important change to The Great Medium Wave Grey Line Challenge

by Jock Elliott, KB2GOM On the very helpful advice of 13dka, who noted that “this should be optional – the grayline happens twice a day, with the morning grayline favoring westerly propagation paths and the evening grayline the east,” participants in the challenge can now choose either the grey line in the morning as the […]

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Auteur: Jock Elliott