[TenTec] [] Running a Century 21 on external 12V power

[Carter]

On 6/8/2017 3:45 PM, Josh Gibbs wrote:
> I'm learning a lot about shielding... tons of good resources on the Net.
> This article was particularly useful:
>
> http://www.ets-lindgren.com/pdf/emctd_1293_weibler.pdf
>
> The fact that Ten-Tec used aluminum when steel would have been cheaper is
> interesting, especially since steel is much better at attenuating magnetic
> fields. Perhaps they just had a bunch of aluminum around, so they used it.
> It is much easier to cut and bend than steel.
Again, I don't think aluminum will do anything, as it is non-magnetic; 
cardboard would work as well.

Anyone have the definitive answer on this aluminum issue -- and what TT 
was hoping to accomplish with the aluminum around the xfmr?

Carter,   K8VT