Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Hollmike-at-aol-dot-com>
Hi,
The transparency sheets are very likely mylar. Now there are some
translucent sheet protecters that are polypropylene.
Mike
>
> Suggest you check what material it is made of and look at dielectic loss of
> it before spending too much time, it could be lossey
> Best
> TEd L in NZ