From: "Phil Payne" 

"Frank Haber"  wrote in message
news:4641c5e2$1{at}w3.nls.net...
> OK, so Phil says it's the immobilizer, and you say... forget it.  This is
all
> from field-disturbance anti-intrusion stuff, not the main spook radars?
> Anyone know the frequencies of this and car keyfob transmitters.

These are phased array early warning radars.

a) Very precise beams

b) Only the few degrees immediately above the horizon are of interest.

c) Very powerful.

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