From: admin@127.0.0.1   
      
   On Thu, 25 Dec 2025 03:34:30 +0000   
   The Natural Philosopher  wrote:   
      
   > On 25/12/2025 03:25, Robert Riches wrote:   
   > > On 2025-12-24, 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.   
   > >>   
   > >> Of course, designs on the internet do not have to follow the laws of   
   > >> physics! :-)   
   > >   
   > > If you need a different diameter and know what diameter you need,   
   > > any decent hardware store or home improvement big-box store in   
   > > the US and perhaps elsewhere will have a wide assortment of sizes   
   > > of PVC, ABS, and metal pipes and round conduits.  Some adhesive   
   > > and copper foil would seem likely to be useful for making the   
   > > plastic types useable.   
   > >   
   > If I felt that a design of any sort could be connected to a  Pi Pico W I   
   > would 3D print it.   
   > But in the end the simpler approach was to create a wifi point higher up.   
   >   
   > Signal strength varies wildly, but enough transmissions get through...   
   >   
      
      
   But what do I do with all these spare Pringle tubes:-?   
      
      
   --   
   Bah, and indeed Humbug.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)