Re: The worlds Largest Coil

• To: tesla-at-pupman-dot-com
• Subject: Re: The worlds Largest Coil
• From: "Jim Lux" <jimlux-at-jpl.nasa.gov> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Tue, 14 Mar 2000 17:15:43 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

> 
> Ok, so let's say it's built, is the FCC going to let you fire it up?

Not as currently described..
One emission that the current FCC regs specifically prohibit is damped
sinusoids, i.e. spark gap transmitters with a tuned circuit.  A holdover
from the days of "King Spark" before tubes became available.

> How big do you anticipate the RF effects will be? 100 sq mi.? More?
You'll need to ask, which effects, etc..
> Obviously this thing can't be done on the sly, so you'll have to be
strictly
> above board with the operations. What license would cover this
transmission
> facility?

You probably couldn't get a license as a transmitter (and you wouldn't want
it anyway).  All you could hope for is non-interference with others, and
call yourself an "unintentional radiator".  You certainly are never going
to get a license as an "intentional radiator" because of the emission type
(damped sinusoid).

It would be interesting to see how people who do HV testing outdoors deal
with this. Indoors, it's not a problem because the usual HV test facility
has grounded walls, ceilings, etc. which, while not perfect, greatly reduce
the propagated radio waves, so that they are either 1) below the ANSI
limits at the property line; or 2) nobody complains.


> Are there FCC regs about that?

Title 47, Code of Federal Regulations, Telecommunications does it nicely...

> 

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