Thnks for all the serious replies, and I didn't mind the horsing
around. Fortunately, the very first quoted the tube data sheet, which I
did not have, and hadn't thought to Google, because I did not know the
info would be there.
73, Pete N4ZR
Check out the Reverse Beacon Network at
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite
ARC V6 or VE7CC DX cluster node.
On 4/3/2014 9:19 AM, Pete Smith N4ZR wrote:
I need to trouble-shoot my QSK system, which is built into my SB-220.
Will it do any harm to apply filament and plate voltages, but no
drive, to the 3-500Zs in the inverted position for a few minutes at a
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