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types of 160m antennas

May 22nd 2019, 18:11


Joined: Jul 14th 2017, 18:56
Total Topics: 0
Total Posts: 0
I see ads for alpha delta antenna that covers 160m to 10m. Can someone please tell me what is different about the alpha-delta antenna from the usual dipole, or end-fed long wire and how it works? even a link or a reading reference would be appreciated. Thanks
May 23rd 2019, 10:28


Super Moderator

Joined: Apr 4th 1998, 00:00
Total Topics: 0
Total Posts: 0
They add loading coils which makes their antennas smaller, but this narrows the SWR bandwidth. It may also increase loss, though that is harder to measure than the change in SWR.

Zak W1VT
ARRL Senior Lab Engineer

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