wow...there's a ton of reading here...some of the techniques that can be used to snoop are almost seemingly effortless if the system isn't shielded...thx for the link it's already an interesting read with quite a few good links...some of it is way over my head too for sure

This is pretty old, in fact Cryptome has also done extensive coverage of Tempest. The source you linked to is great, I recall visiting that link back in the late 90's, early 00's (even so, I'm glad to see it still working...)

Tempest was perhaps a big threat back in the days of the CRT, and plenty of mil-specs came out on "hardening" computers, monitors, and their networks, but LCD's and LED's in use now are much less vulnerable to this form of eavesdropping.

S+F, at least for the nostalgia trip