[TowerTalk] Bye Bye Birdies

[Jim Lux]

On 12/28/12 4:09 PM, Charlie Gallo wrote:
>
> On 12/28/2012 Adam Shirley WJ4X wrote:
>
>> Remember that mylar conducts electricity and may affect your SWR...
>
> Really?
>
> Aluminized mylar (which is a trade name for Dupont's polyester film) certainly is, but NON aluminized mylar actually has fairly high dielectric strength
>
> Data here
> http://usa.dupontteijinfilms.com/informationcenter/downloads/Electrical_Properties.pdf
>

Yes, but typically one side is fairly conductive (the side with the 
aluminum), and if you do something like tie it onto your antenna, it 
will couple quite nicely by capacitance, if not direct contact.