[SixClub] Article: Space storm alert: 90 seconds from catastrophe

[kd4e]

Solid state gear *can* be protected, it would be extremely tough 
proximate to
the event, much less difficult at a distance.

The 50's-60's AC/DC powered tube-type mobile gear may be one consideration,
though they may need to be converted to SSB/DSB or FM. (see discussion 
below)
They are more portable, certainly mobile - if only by horse-drawn wagon 
with
a few deep-cycle batteries! :-)

One wonders what sort of lingering band noise and propagation effects may
occur - especially since the high-impact pulse may be followed by a 
bunch of
other lower-level solar activity. (There are a whole other set of 
variables were
it a man-made EMP event.)

It would be an interesting exercise to postulate this sort of event and 
to then
consider which bands and modes will be preferable.

Those who jump to digital modes as preferred low-signal/high-noise choices
forget that computers in many areas may have been rendered useless. And in
these times CW is increasingly unreliable due to the paucity of those 
competent
in that mode. That leaves AM, FM, or SSB/DSB.

WDYT?

> What do we have that's EMP protected?  Our rigs are protected only if 
> they are not plugged in AND the CME is not a really big one.  If it's 
> one like the Carrington event then most things solid state will be 
> toast. OTOH the old tube type, boat anchors should be just fine. Of 
> course my SX101 weighs 73 pounds, the HT32B weighs 90 something, and the 
> HT-33B weighs 113#
>   
> The only real safe equipment would be "tube type". That has an extra, as 
> it'll help with the heat if it's cold outside.
>
>
> OTOH if it hit head on with the poles aligned just right the plasma 
> would just punch on through and we wouldn't have to worry about 
> communications.
>
> 73
>
> Roger (K8RI)
>   


-- 

Thanks! & 73, doc, KD4E
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