XPost: comp.sys.raspberry-pi   
   From: bowman@montana.com   
      
   On Wed, 24 Dec 2025 12:16:27 +0000, The Natural Philosopher wrote:   
      
   > On 24/12/2025 07:58, mm0fmf wrote:   
   >> On 11/12/2025 21:18, Carlos E.R. wrote:   
   >>> Home made with a box of Pringles. just google for "pringles wifi   
   >>> antenna".   
   >>   
   >> Also Google cutoff frequency and see that the Pringle tube is too small   
   >> in diameter to be effective at 2.4GHz.   
   >>   
   > Assuming that is a relevant issue.   
   >   
   > Shouting down a pipe whose diameter is way less than the wavlength of   
   > voice frequencies, still works....   
      
   True, but the benefits of impedance matching with a megaphone were   
   discovered long ago.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)