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   MSGID: 9584.fi_ham@1:2320/105 2169a5bf   
   REPLY: 1:3634/12.73 5d02a80d   
   PID: Synchronet 3.17c-Linux  Mar  2 2019 GCC 6.3.0   
   TID: SBBSecho 3.06-Linux r3.105 Mar  2 2019 GCC 6.3.0   
   06-13-19 15:16 mark lewis wrote to all about building an antenna   
   Howdy! Mark,   
      
    ml> @MSGID: <5D02D5B5.9581.fi_ham@capitolcityonline.net>   
      
    ml> this is somewhat on the topic of HAM but the actual use is not... i   
    ml> don't know where to look for the information i'm seeking...   
      
    ml> here's the scenario:   
      
    ml> i need to make an external UHF HD antenna...   
    ml> i do not have any funds available...   
    ml> i found plans for a UHF antenna online and printed them out...   
   -BIG SNIP-   
      
   I started reading Your message and after TEN Lines I decided to tell You   
   how I made a UHF TV Antenna.   
      
   I used a piece of 300 Ohm Twin Line cable to make a Folded Dipole Antenna   
      
   a bit over 26 Centimeters long for UHF Channel 32 back in the 1960's.   
      
   Channel 32 had just come on the Air and it's Transmitter was about 4 miles   
   from where I lived.   
      
   We bought a UHF to VHF Tuner for the upstairs VHF TV Set, and needed a    
   antenna up there, I knew enough to make a antenna by looking in some   
   books for Charts and Formulas and made it.   
      
   Channel 32 uses the Band of Frequencies from 578 Mc. to 584 Mc.    
      
     |<---------------------- 26 CM ------------------------>| = 1/2 wave length   
      
     ---------------------------------------------------------   
     |                                                       |   
     --------------------------  -----------------------------   
                              |  |   
                              |  |   
                              |  |       Another piece of 300 Ohm Twinline   
                              |  |   <-- to Antenna Terminals on UHF Tuner   
      
      
   I stripped the wires on each end and soldered them together.   
      
   I folded the cable end to end to find the center,   
      
   then I cut one of the wires at the center,   
      
   and attached another piece of 300 Ohm Twin Line to each of the center wires   
   for a feed line to the UHF Tuner.   
      
   I taped the Home Brew "Antenna" to the wall.   
      
   It worked!   
      
   You could use a 2 pieces of PVC pipe and a TEE to enclose the Folded Dipole   
   or DUCT TAPE the antenna to a board, to make it an External Antenna.   
      
      
   <<<<<<<<<<<<<<< BRAGGING MODE ON  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>   
      
   I told a neighbor about the antenna I made and was asked if I would make   
   one for them, so I went to the Wire Box, grabbed a length of 300 Ohm Twin   
   Lead, put it together and fastened it to the neighbors UHF Tuner.   
      
   >>>>>>>>>>>>>>>>>>>>>>  BRAGGING MODE OFF <<<<<<<<<<<<<<<<<<<<<<<<<<<<<   
      
   73 de Ed W9ODR          .             .   
      
      
   ... Have you checked your smoke detector batteries & Fire Ext, LATELY?!   
   --- MultiMail/MS-DOS v0.49   
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