[TenTec] new emissions rules

[James Duffer]

Snip

>
>Generally speaking, the key clicks and the general hash most of us call 
>phase noise (It's actually a mix of phase noise, partition noise, shot 
>noise, Johnson noise, artifacts of multiple mixing, and who knows what 
>else, with phase noise usually predominating) is worse on 20 than 40; and 
>given comparable antennas it's still worse on 15 and 10.
snip

Generally speaking partition noise is normally associated with noise created 
by using tubes (vaccumn).  Partition noise is the result of variations in 
the division of current within the positive electrodes within a electronic 
vaccumn tube.

73, Jim