RE: Tesla Coil RF interference

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Gary Weaver" <gary350-at-earthlink-dot-net> 

I just remembered something.  Every time we have a thunder storm with lots
of lighting several of the security alarm systems in the neighbor hood go
off.  It must be an alarm system problem.

Gary Weaver
gary350-at-earthlink-dot-net
Why Wait?  Move to EarthLink.


 > [Original Message]
 > From: Tesla list <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Date: 5/20/2004 5:46:59 PM
 > Subject: RE: Tesla Coil RF interference
 >
 > Original poster: "Tom Luttrell PWRCOM" <tom-at-pwrcom-dot-com.au>
 >
 > Garry, how are your coils earthed and what sort of spark gap are you
 > using?
 > This sounds like an excessive amount of EMI for a TC.
 > Tom.
 >
 >  > >Original poster: "Gary Weaver" <gary350-at-earthlink-dot-net>
 >  > >I have noticed when I fire up my 10" coil it sets off motion detector
 >  > >light, security alarm systems, causes TV interference for 5
 >  > blocks it all
 >  > >directions of my house.   The neighbors security lights
 >  > flash on and off.
 >  > >I can hear several alarm systems going off all over the
 >  > neighbor hood.   I
 >  > >took my portable 4" TC to work and fired it up and the
 >  > telephone system was
 >  > >static so loud it was like putting my ear up to the spark
 >  > gap.  Even the PA
 >  > >system sounds like the spark gap amplified to 50 watts.  I
 >  > don't own a cell
 >  > >phone so I was wondering what effect a TC has on a cell
 >  > phone?   Does it
 >  > >have any effect on a cell phone at 20 ft, 50 ft, 100 ft???
 >  > >
 >  > >Gary Weaver
 >