>
>Hello All,
>Thanks to all who responded with different ideas concerning the L-7 fuse
>resistor problem.
>
>Looks like it was a bad tube. He replaced the tubes and all is OK now. One
>tube must have had an intermittent short, but all is well in Drake land now.
>
It is my opinion that 3-500Zs can be shorted in two ways. Operation with
the anode horizontal for a period of c. 12,000 hours. Intermittent VHF
parasitic oscillation. Unless you improved the VHF stability of the L-7,
you may not be out of the woods.
later, Jeff
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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