[cryptome] Re: Radiation Emission Controls
- From: Gary Wallin <garylwallin@xxxxxxxxx>
- To: cryptome@xxxxxxxxxxxxx
- Date: Tue, 30 Jul 2013 10:11:43 -0500
On 7/30/2013 8:25 AM, John Young wrote:
An engineer formerly working at the National Radio Astronomy
Observatory (http://www.gb.nrao.edu/nrqz/) lists its radiation
emissions controls:
http://cryptome.org/2013/07/radiated-emissions-control.htm
Among them is the banning of vehicles which use spark plugs,
thus diesel-fueled are required.
Which suggests a question about radiation emissions at
NSA Utah Data Center's 32 large generators.
Since nearly all government and commercial data centers
have generator back-ups, how are emissions from generators
controlled?
NRAO also "banned digital cameras down range after they
proved quite noisy."
Are noisy digital camera emissions more privacy threatening
than phone signals? Is NSA harvesting those emissions?
I doubt that the Utah Data Center is a "front end" for receiving
electromagnetic radio signals. Reception of those signals would be in
remote locations and sent via fiber optical links to the data center to
be stored and processed. NSA data centers do not need to be as free from
radio interference as radio astronomy reception locations.
There are hardware hacks to pick up computer keyboard signal
emanations. Does anyone the the Maker/Hacker community have a similar
hack to pick out digital camera signal output? Probably would be much
easier to hack into the picture as it is transmitted/transferred by
cellphone radio than to capture it from stray emanations in the actual
process of taking photos.
Given the amount of noise on almost all available radio bandwidth the
'spark plug' problem should be mostly insignificant when compared to
other sources.
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