Amateur Radio

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A Lemmy Community to share links about and for amateur (ham) radio to advance the technology, and promote communication and international goodwill. This community IS NOT for CB, GMRS, MURS, FRS, etc topics unless they are related to ham radio in some way.

We won't tolerate personal insults, illegal activity, or anything contrary to good amateur practice.

If asking questions about regulations, please include your country because we recognize that, while the hobby is international, regulations often aren't.

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antenna question (lemmy.zip)

submitted 1 week ago by [email protected] to c/[email protected]

13 comments fedilink hide all child comments

cross-posted from: https://lemmy.zip/post/33672853

So I live in a small city of around 50,000 people and we have a router that's 200 feet up on a tower with a 5.8 DBI antenna.

There's a guy 17.5 miles away who wants to get into the mesh and his node is on a 30-foot flagpole and also has a 5.8 DBI antenna.

There is no major elevation change between the two nodes and according to a distance calculator, the line of sight between both antennas should be about 24 miles, which would cover the distance with no problem.

With that said, the nodes are not connecting together. And I'm wondering if that's because of the 5.8 DBI antenna gain on both sides, or if there's something else I might be missing.

Edit: On a side note, I live 3.7 miles from the router, and it has trouble hearing me, but I do not have trouble hearing it with my T1000E. And I'm also wondering if that's because of the antenna gain on the router side.

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