Thanks to all the responses. 

A suggested off line contact with one of the 
persons involved with the limits produced 
confirmation of much of what has been said.  

If I may take the liberty to paraphrase his 
response - it was determined to prevent radio 
interference at an agreed upon distance of 
30 feet with an accepted *average* signal level 
for the average radio receiver.  TVs on the 
other hand could be back to back in an apartment 
setting by as little as 6 feet.  Additionally, 
the corresponding limits and method of testing 
for conducted interference also followed. 

Obviously, much more was involved than what my 
little summary explains, but the original 
motivation was what I was primarily interested. 

The great resource available here at EMC-PSTC 
proven once again. 

Thanks again.  

Regards,  Doug McKean 


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