9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E2C12 [Study] Start [Question] 
In North America during low sunspot activity, signals from Europe become weak and fluttery across an entire HF band two to three hours after sunset, what might help to contact other European DX stations?
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question