*Ed, I use the simple poor man's method
of making Faraday cages. A dead
microwave oven is one and the other is a
metal garbage can lined with foam, a
tight lid and metal tape around the
joint when the lid is in place. Both
were hauled into town and a friend who
is cellphone crazy helped me test them.
A cellphone placed inside refused to
receive calls and also a radio refused
to work inside once things were sealed
up. I'll always believe it works till
it doesn't.*
* John*
On 3/11/2018 1:40 PM, Ed Cummings wrote:
I'd really like to see a SWLfest talk
next year about emergency backup AC
and DC power, and voltage spike
suppression (local and whole-house.)
Maybe even a segment about how to
cheaply shield backup radios and other
electronics from destruction by a
coronal mass ejection (CME) like the
Carrington Event or an Electromagnetic
Pulse (EMP).
There's plenty to cover here that
applies to all of us whose passion for
reliable access to information brought
us together. Last weekend's SWLfest
extended power outage was a reality
check for us, but it's also a good
opportunity to prepare better for such
things in the future.
Who in our group is most qualified and
willing to present a talk on these
topics next year?
-Ed
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