> Further, vacuum tube
> equipment is inherently much less reliable than solid-state equipment.
You're right. However, the only radio equipment presently able to survive
EMP (Electro-Magnetic Pulse) from atomic detonations at short distance is -
you guessed it - vacuum tube equipment.... Mind you, moderne vacuum tubes
do not always closely resemble thier predecessors.
Regards
LT Gerry Davison - Denmark
I.Eng(CEI)FIEIE
Chairman FMKB (Danish Society for Military Vehicle Preservation)