I've heard that police cars are tested to around 70V/m somewhere in vhf region.
David
G3UNA
>
> From: "Steve Katz" <stevek@jmr.com>
> Date: 2008/07/25 Fri PM 07:50:13 BST
> To: "Pete Smith" <n4zr@contesting.com>, "Carl" <km1h@jeremy.mv.com>,
> "Fortra" <fortra@siol.net>, "Robert Kirkland" <alpha76@triton.net>,
> "amps" <amps@contesting.com>
> Subject: Re: [Amps] Damage?
>
> ::Twisted pairs are actually pretty well self-shielding and immune to
> reception and radiation of RFI. Hard to believe anyone would try to market
> an automotive vehicle that won't work when parked at a mountain transmitter
> site that's home to 20-30-40-50 50kW-250kW TV and FM BC transmitters, or at a
> field site that's home to a 50kW AM BC transmitter. You can generally pull
> right up and park next to any of those. Not to mention the numerous 1
> Million Watt e.r.p. SW BC transmitters that are found all over the country,
> and the world...
>
> -WB2WIK/6
>
>
>
> Actually, this may not be as farfetched as all that - if I remember
> correctly, some late-model cars are now using ethernet for their data
> communications between the computer, various sensors, and various
> actuators. I have no clue as to the degree of built-in EMP protection,
> particularly in vehicles with plastic body panels, or the potential effect
> of RFI.
>
> 73, Pete N4ZR
>
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>
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