>There are two kinds of blue glow with 8166/4-1000A tubes: Where the
>electron beam strikes the glass envelope, and in the evacuated space.
>The first case being normal and the second case being abnormal.
In the evacuated space??? Isn't the whole tube evacuated?? Please
explain...
73,
Jon
KE9NA
-------------------------------------
Jon Ogden
KE9NA
http://www.qsl.net/ke9na
"A life lived in fear is a life half lived."
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