Why do that? You can use a single piece of pipe 1/2 wavelength and simply
gamma match it. No need for all the insulation worries.



"Richard" wrote in message
...

"Richard" wrote in message
...
I want to make a VHF receiving dipole with say 1/4" tubing. Can you buy
plastic dipole centerpeices? TIA.


I mean a plastic center which has socket holes, which you push the tube
into.