[ale] Radio-frequency identification (RFID) chips

[James P. Kinney III]

On Fri, 2004-01-09 at 23:59, Bob Toxen wrote:
> On Wed, Jan 07, 2004 at 02:39:53PM -0500, Mazukna, Tomas wrote:
> > It is time to get some of those RFID tags and start playing.
> > We need a device to fry them :)
> > Sounds like a great idea ... New gizmo you install in you cars trunk and
> > it fries rfid tags on your way home from store.
> I agree that a microwave would be easiest.  My tesla coil will do a fine
> job but they are non-trivial to buy, steal, or build.  I suspect that
> a police radar gun will work up to some distance but I think that they
> go for something like $3000.

Oudin coil would also likely work. Buy a full spool of #24 enameled wire
of around 10k' long. Remove as much of the middle of the spool as
possible to make the hole larger. Put in the largest soft iron core you
can fit. Flatten a 10' section of 1/4" copper tubing and wrap it around
the entire spool. Take care that the copper coils do not touch or
separate with paper. connect the ends of the copper pipe to the 120V
60Hz power supply near the circuit breaker. The resulting magnetic field
will obliterate radio and tv transmissions for about 2 miles.

Hook that up to a tesla coil for some real fun.
> 
> > Tomas
> Bob
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James P. Kinney III          \Changing the mobile computing world/
CEO & Director of Engineering \          one Linux user         /
Local Net Solutions,LLC        \           at a time.          /
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http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
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