Dear Tony,
What do you think the results would be if you removed the tubes
and very thoroughly cleaned them with hot water and soap first
and a finish with isopropanol, all handled with new clean
rubber gloves?
While the ceramic doping theory is popular I would
wonder about contamination, but why is one device green and the other
blue? Different ceramic compositions might be the answer.
Next, use an ordinary video camera and watch a color monitor
hooked to the video output. The reason I suggest this is that
an IR controller shows up as a very visible blue/white light
after processing through a CCD. I just wonder if there are
wavelengths of light you are NOT seeing, either with the
naked eye or your DSLR.
Hal
W4HBM
On Fri, 24 Feb 2006 00:58:32 -0500 Tony King - W4ZT <amps080605@w4zt.com>
writes:
> both tubes in it. During the testing after the tube swap I noticed
> that
> by looking straight down through the anode cooler I could see a
> distinct
> glow. Interestingly enough, one tube was glowing BLUE and the other
> tube
> was glowing GREEN!
>
> > <http://tester.gs35b.com>
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