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Old 1st February 2012, 06:05 PM   #11
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If you ever get a chance to check out a true RF tight screen room you will find just how small an opening RF can make it into. Put a radio on the counter, close the door. Radio still plays. LATCH the door seating RF gasket all around dual cage, radio falls silent. Just unlatch the door and radio starts playing. A true RF room is a complete dual fine screen (or solid metal) cage with inner cage grounded to outer cage at only one point. All power and signals must be fed in through RF feedthrough caps.

However a much cheaper but also much smaller solution exists. 3-M static bags. Aluminum coated inside and outside, but layers not connected. Put whatever you wish to protect inside and roll edge, TAPE shut. DO NOT STAPLE. That just connects inner sheild to outer.
Doc
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Old 1st February 2012, 07:02 PM   #12
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Ok, so how about putting something delicate (and smallish) into a microwave oven and then that in a car, must have half a chance....
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Old 1st February 2012, 07:17 PM   #13
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Quote:
Originally Posted by thaumaturge View Post
All power and signals must be fed in through RF feedthrough caps.
The question about caps is, what kind of spectrum we can expect from that solar blast?
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Old 1st February 2012, 07:20 PM   #14
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Its a matter of degree. How strong is the EMP to begin with? How far does it travel? What it encounters on the way? Anyting electricaly conducting will convert the electromatic energy into electricy. That is what does the damage to electronics. But if the EMP encounters ground (like a hill), the walls of a concteet building with steel renforcement, the body of a car, that energy will be deminished. As with so many things - it depends. I just wanted to put a qualification on the notion that EMP from the sun or an atomic blast might damage a lot of electronics, but certainly not all.
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Old 1st February 2012, 08:20 PM   #15
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Here is one more interesting Solar event we are expecting:

Solar Eclipse over the USA - NASA Science

Click the image to open in full size.
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Old 1st February 2012, 10:49 PM   #16
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That's why I don't watch TV: they like to show scary news...

Nasa Warns Of Super Solar Storm 2012 - YouTube
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Old 1st February 2012, 10:54 PM   #17
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I prefer NASA movies from youtube:

NASA Response to Crazy 2012 Claims - YouTube

One more:

http://www.youtube.com/watch?v=Y7E_M...eature=related
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