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Re: Coil Magnetic Field

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Hi ,

Thanks for the links!!

I actually have these links somewhere, but since I have a zillion bookmarked

links, I have no idea where!! :-)

So now I have started an " Levy " folder and I will for sure know where to

find them now!!

It is good to hear you verify 6 ft is good, I tell this to everyone as I heard

it from other coilers, but

since you have done extensive research to verify this on 350 machines, I take

that as solid evidence

6 ft from the front and 3 ft from the sides is safe!

Thanks for writing,

Jim

>

> Hello Jim,

>

>

> Recently some members of the group were interested in the strength of the

magnetic field produced by a Doug coil, so here is some additional information.

>

>

> 1)-It is important to remember that

> the direction of a magnetic field changes from point to point around a

> magnet, in general curving from the north pole to the south pole: this

> happens for the earth's magnetic field as well as for any magnetic

> coil.

>

> 2)-The following maps show the strength of the magnetic field at each point in

the space surrounding the coil: they were taken with a magnetic probe that

detects both the strength and the direction of the magnetic field. The value

shown is the " Maximum " magnetic field strength at that point in space: this

maximum value is detected in the direction that the magnetic field has in space

for that particular point.

>

> 3)-The measurements reported by a member of the group were done with a

Trifield 100XE  instrument: this model has a measuring probe that is not

directional, instead it takes an average of the magnetic fields coming from

every direction and also averages them in the range 50 to 2000 Hertz. This is an

ideal instrument  for measuring the average EMF but it is not capable of giving

you an accurate point by point map of the maximum strength of a magnetic field

near a Doug Coil..

>

>

> 4)-The Doug Coil emits a magnetic field much like the light  out of the  high

beam of a car, it is the strongest  directly ahead and weaker on the sides.This

is why we recommend that users of the coil keep computers, pace makers  and

magnetic cards at least 6 feet away from the front of the coil: to

> the sides it is enough to keep them at a 3 feet distance.

> I have tested over 350 Doug Coils following these precautions and I have not

erased my credit cards nor my computer hard disks. These hundreds of machines

have being used for the past 6 years in big and small apartments without hurting

anything.

>

>

> for a one coil machine magnetic strength map see:

>

> http://coilmachines.com/rifeimages/standardmagneticfield.jpg

>

>

> for a two coil machine magnetic strength map see:

>

> http://coilmachines.com/rifeimages/mode2magneticfield6in.jpg

>

> I hope this information is useful to clarify some concepts.

>

> Dr. Levy Engineering PhD

> www.coilmachines.com

>

>

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I do not question Mr. Levy, and maybe something is 'different' about my coil, but I also noticed it 'flaked out' one of my routers that has an ethernet connection between the two of them, about 15 feet away in the attic. Of course I realize that a cable is pretty much an antennae too. So, I really do think the field is pretty strong, although the diagrams posted showed the field strength diminishing in inches, not feet.

Again, just an observation.

JimT

--------------------------------------------------------------------------------------------

Hi ,Thanks for the links!!I actually have these links somewhere, but since I have a zillion bookmarked links, I have no idea where!! :-)So now I have started an " Levy" folder and I will for sure know where to find them now!!It is good to hear you verify 6 ft is good, I tell this to everyone as I heard it from other coilers, butsince you have done extensive research to verify this on 350 machines, I take that as solid evidence6 ft from the front and 3 ft from the sides is safe!Thanks for writing,Jim>> Hello Jim,> > > Recently some members of the group were interested in the strength of the magnetic field produced by a Doug coil, so here is some additional information.> > > 1)-It is important to remember that > the direction of a magnetic field changes from point to point around a > magnet, in general curving from the north pole to the south pole: this > happens for the earth's magnetic field as well as for any magnetic > coil. > > 2)-The following maps show the strength of the magnetic field at each point in the space surrounding the coil: they were taken with a magnetic probe that detects both the strength and the direction of the magnetic field. The value shown is the "Maximum " magnetic field strength at that point in space: this maximum value is detected in the direction that the magnetic field has in space for that particular point.> > 3)-The measurements reported by a member of the group were done with a Trifield 100XE instrument: this model has a measuring probe that is not directional, instead it takes an average of the magnetic fields coming from every direction and also averages them in the range 50 to 2000 Hertz. This is an ideal instrument for measuring the average EMF but it is not capable of giving you an accurate point by point map of the maximum strength of a magnetic field near a Doug Coil..> > > 4)-The Doug Coil emits a magnetic field much like the light out of the high beam of a car, it is the strongest directly ahead and weaker on the sides.This is why we recommend that users of the coil keep computers, pace makers and magnetic cards at least 6 feet away from the front of the coil: to > the sides it is enough to keep them at a 3 feet distance.> I have tested over 350 Doug Coils following these precautions and I have not erased my credit cards nor my computer hard disks. These hundreds of machines have being used for the past 6 years in big and small apartments without hurting anything.> > > for a one coil machine magnetic strength map see:> > http://coilmachines.com/rifeimages/standardmagneticfield.jpg> > > for a two coil machine magnetic strength map see: > > http://coilmachines.com/rifeimages/mode2magneticfield6in.jpg> > I hope this information is useful to clarify some concepts.> > Dr. Levy Engineering PhD> www.coilmachines.com> >

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