MSGID:  ea775440
REPLY: <10ihh62$1bidi$2@dont-email.me> 0f6186c5
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REPLYADDR c186282@nnada.net
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On 12/24/25 15:07, The Natural Philosopher wrote:
> On 24/12/2025 17:00, Kerr-Mudd, John wrote:
>> On Wed, 24 Dec 2025 14:23:45 +0000
>> The Natural Philosopher  wrote:
>>
>> []
>>> What I learned was that theory is too simplified to actually be able to
>>> design a real antenna: All our designs were field tested and adjusted.
>>>
>>> I am not advocating Pringle cans.ÿ I wouldnt use one myself. But I am
>>> not so quick to rubbish them as you are.
>>>
>>> RF propagation is tricky, and real world objects of no apparent value
>>> often have enormous effects.
>>>
>>>
>> Prsumably you're saying Mythbusters-style "not proven"?
>>
>>
> I am saying that a blanket denial 'because the theory says no' is not 
> good enough for me, personally.
> 
> To make a waveguide, which is analysable, is quite tricky. To throw 
> something in place that 'does something' and clearly is *not* a 
> waveguide, and is essentially unanalysable, is another matter.
> 
> With Gigahertz, as with Heffalumps, you never know...

   Yep, once you get into gHz things get really weird.

   "Solutions" here can work for NO GOOD REASON, pure
   chance, funky reflections.

   Moved a unit literally four inches the other day and
   the data rate went up nearly 5X.

   Yes, a cheapo foil-lined tube CAN be a a waveguide,
   but the math has to work out.

   Me, I can't use waveguides because I need an OMNI
   signal the way things are spaced out in my home.
   I use one, sometimes two, wifi repeaters instead.
   Fairly cheap, work well.


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