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 Loose sloper antena puzzle.

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Andrew
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Call Sign : 26-CT-5072
Posts : 10
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Join date : 2024-01-28
QTH or Location : Yeovil
Equipment Used : Various rx and tx ssb kit
Age : 70

Loose sloper antena puzzle. Empty
PostSubject: Loose sloper antena puzzle.   Loose sloper antena puzzle. Icon_minitimeSun Feb 18, 2024 8:47 pm

Hello all. Lately I have been using an end fed 40 ft wire with a 9:1 unun for 11 metre dx. It was intended to be a sloper but I was struggling with high swr. I tried it in many positions and my last attempt I tried the radio before drawing the wire tight so the wire formed a curve from 25 ft down to 6 feet of the ground. To my suprise the swr was very low and I tried a contact inĀ  Sicilly and he reported I had a strong signal and very clear with good modulation. I have now used this antena for many long distance contacts to over 3000 miles but I have never heard any stations closer than Finland or southern France so probably 800 miles. Can someone explain this. I understand the theory of propagation but the high swr with the tight wire and very low swr with a loose curved slperĀ  along with great dx range but nothing for 800 miles is puzzling.
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