[time-nuts] time-nuts Digest, Vol 69, Issue 31
cfharris at erols.com
Wed Apr 14 13:25:16 EDT 2010
It is always possible. They were cheap monitors, so the obvious
solution was to trash them, and avoid putting monitors anywhere near
the shaker unit.
I do recall that the shaker made monitors swim from many many yards
away. Some better shielding would have been nice.
J. Forster wrote:
> Some color CRTs have "purity" magnets. Is it possible those shifted in the
> H field?
>> Bob Camp wrote:
>>> I've found that in some cases you need to run multiple passes over
>>> days to degauss a badly mag'd monitor. I'm sure that at some point they
>>> indeed become "irreversible". So far I haven't found one that a hula
>>> sized coil won't eventually fix.
>> Sadly, I have. I used a large degaussing coil that could be passed over
>> entire monitor, a smaller bulk tape demagnetizer, and the internal
>> coil. I could never get rid of the rainbow fringe around the outside of
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