[TenTec] RFI question for Orion and other TT rigs

[Sinisa Hristov]

n3nd at aol.com wrote:
 
> The use of aluminum instead of ferrous material (steel) for chassis,
> separate compartments, etc. is probably one of the greatest reasons TT
> rigs are more RFI prone.


Aluminium provides more than adequate shielding against
both magnetic and electric fields at shortwave frequencies.

But plastics do not, and Orion's CPU, DSP's, AD and DA converters,
front panel LEDs and keys are "shielded" by plastic only.


73,

Sinisa  YT1NT, VE3EA