[Amps] Damage?

[d.cutter at ntlworld.com]

I've heard that police cars are tested to around 70V/m somewhere in vhf region.

David
G3UNA


> 
> From: "Steve Katz" <stevek at jmr.com>
> Date: 2008/07/25 Fri PM 07:50:13 BST
> To: "Pete Smith" <n4zr at contesting.com>,  "Carl" <km1h at jeremy.mv.com>, 
> 	"Fortra" <fortra at siol.net>,  "Robert Kirkland" <alpha76 at triton.net>, 
> 	"amps" <amps at 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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