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You really don't know if you need to do any impedance matching until you mount that antenna and check the SWR. If the SWR isn't at least close to or under 1.5:1 then you may need to do some matching. One way of doing that is by using a coil between the center conductor and ground. What size coil? I can't answer that, it isn't going to be huge by any means though. Try a size and then either add to it or remove turns till the reading gets reasonable.
- 'Doc

[QUOTE="W5LZ, post: 453081, member: 129"] You really don't know if you need to do any impedance matching until you mount that antenna and check the SWR. If the SWR isn't at least close to or under 1.5:1 then you may need to do some matching. One way of doing that is by using a coil between the center conductor and ground. What size coil? I can't answer that, it isn't going to be huge by any means though. Try a size and then either add to it or remove turns till the reading gets reasonable. - 'Doc [/QUOTE]

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