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An ego trip coupled with some very suspect math. These people don't seem to understand how gain works with yagi's. You get a big increase in gain going from 2 elements to 3, and another slightly smaller increase going from 3 elements to 4. Adding more director elements after that only gives you a tiny bit more gain for each one. And the more elements you add the less gain is realized for each additional element. Furthermore, an 11 element yagi is only a wee bit more directional than a 3 element !
These YouTube antenna experts just add 2 or 3dB of gain for each element they add and end up with ridiculous claims for ERP.

I'll just add that this whole "Mr.Bigshot Worldwide" thing is a bit silly. You could be blasting 100,000 watts from an 11 element beam, but if there's no conditions you'll barely be readable at 100 miles, let alone worldwide.
And if there are conditions you can be heard worldwide with just a hundred watts and a 3 element beam. You don't need an 11 element beam and 100 KW.

<blockquote data-quote="BC Coyote" data-source="post: 827933" data-attributes="member: 66242">An ego trip coupled with some very suspect math.&nbsp; These people don&#039;t seem to understand how gain works with yagi&#039;s.&nbsp; You get a big increase in gain going from 2 elements to 3, and another slightly smaller increase going from 3 elements to 4.&nbsp; Adding more director elements after that only gives you a tiny bit more gain for each one.&nbsp; And the more elements you add the less gain is realized for each additional element. Furthermore, an 11 element yagi is only a wee bit more directional than a 3 element !These YouTube antenna experts just add 2 or 3dB of gain for each element they add and end up with ridiculous claims for ERP. I&#039;ll just add that this whole &quot;Mr.Bigshot Worldwide&quot; thing is a bit silly.&nbsp; You could be blasting 100,000 watts from an 11 element beam, but if there&#039;s no conditions you&#039;ll barely be readable at 100 miles, let alone worldwide.And if there are conditions you can be heard worldwide with just a hundred watts and a 3 element beam. You don&#039;t need an 11 element beam and 100 KW.</blockquote>

[QUOTE="BC Coyote, post: 827933, member: 66242"] An ego trip coupled with some very suspect math. These people don't seem to understand how gain works with yagi's. You get a big increase in gain going from 2 elements to 3, and another slightly smaller increase going from 3 elements to 4. Adding more director elements after that only gives you a tiny bit more gain for each one. And the more elements you add the less gain is realized for each additional element. Furthermore, an 11 element yagi is only a wee bit more directional than a 3 element ! These YouTube antenna experts just add 2 or 3dB of gain for each element they add and end up with ridiculous claims for ERP. I'll just add that this whole "Mr.Bigshot Worldwide" thing is a bit silly. You could be blasting 100,000 watts from an 11 element beam, but if there's no conditions you'll barely be readable at 100 miles, let alone worldwide. And if there are conditions you can be heard worldwide with just a hundred watts and a 3 element beam. You don't need an 11 element beam and 100 KW. [/QUOTE]

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