[R-390] New Owner

[Tim Shoppa]

> And the Soviets aren't listening for oscillator emissions any more
these 
> days (to deduce frequencies being monitored).

We like to talk about the low emissions of a R-390[/A] but even with the
covers on they are substantially more leaky than a real
Tempest-compliant
receiver.

I'm thinking of my WJ-8716 here. There's a (very technical term) metric
buttload of screws spaced about an inch apart at every cover to get
it to the Tempest level. The result is a bit eerie, without an antenna
on
it you cannot hear ANYTHING at all (again thanks to Mr. reciprocity
theorem).

Tim.