My TH7 recently (and suddenly) shows 2:1 SWR on 15 & 20m. OK on 10m. My
reaction is a bad 15m trap. Probably in a parasitic element, not a driven one?
I’d like to only need to make one trip up the tower with the right parts, so
any other possibilities? No obvious damage from the ground.
Comments?
73, de Hans, K0HB
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