[TowerTalk] weird coax
David Robbins
k1ttt at verizon.net
Mon Dec 12 10:55:22 PST 2011
Ok, we found the original engineer who bought the stuff... he has dim memories of using it as a long high voltage probe hooked to a plate capacitively coupled to a transmission line tower to measure lightning induced voltages. The distributed resistance apparently would work better than a lumped resistor because of the small capacitance of the plate probe... and would damp transient reflections. Apparently this was derived from a paper that described how to measure voltages in a computer when you needed probes that would reach around the room that the computer filled.
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