[BC] Satellite EAS

[Dave]

> > Only if that radio happened to be turned off at the time.  From
> > Northwestern University's web site:
> >
> > "Although the electric field created from an EMP lasts for only a short
> > time, its effects can be devastating. It is predicted that a single high
> > altitude burst 200 miles above Kansas could propagate an EMP enveloping
> > the entire United States. Electrical systems connected to things that
> > can conduct current like wires, antennas, and metal objects will suffer
> > significant damage. EMP effects on electronics include interference of
> > radio frequency links, irreparable damage to microcircuits, and even the
> > disabling of satellites. Fortunately, electronic equipment that is
> > turned off is less likely to be damaged."
> >
>
> While EMP attack against terrestrial electronics is possible, most mil
> hardware is hardened against it. However, a single burst in the Clarke
> belt at about 90 deg W would devastate commercial and many leased mil
> comm channels - for months, if not years without loss of life or other
> damage. Would we retaliate (except in kind) if the only loss was birds?
>
>
> Phil Alexander, CSRE, AMD
> Broadcast Engineering Services and Technology
> (a Div. of Advanced Parts Corporation)
> Ph. (317) 335-2065   FAX (317) 335-9037


It was my understanding that EMP would render useless any electronics,
regardless of whether they were powered up or even connected to an antenna
(wire) of any sort. Just being out of their milspec packaging would leave
them vulnerable. Except for some tubes. Some would survive.

Dave Dunsmoor