Ferrari Mailing List: Re: Undetected speed radar

[philville (philville]

Are we talking about the peed limit signs that say "Your speed is"....I thought 
that they were all passive, am I wrong??
Thanks, Phil
From: "Dave Handa" <dave [at] davehanda.com>
Date: 2007/04/20 Fri PM 02:02:21 EDT
To: Phil Tegtmeier <philville [at] dejazzd.com>
CC: 'The FerrariList' <ferrari [at] ferrarilist.com>
Subject: Re: [Ferrari] Undetected speed radar

Yup, seen them in Oregon...no warning with my v1

-----Original Message-----
From: Misc [mailto:misc [at] 308systems.com] 
Sent: Friday, April 20, 2007 8:16 AM
To: dave [at] davehanda.com
Cc: The FerrariList
Subject: [Ferrari] Undetected speed radar

FYI - While driving through our neighborhood yesterday, I found another type
of radar today which was undetected by my V1 - FMCW

"FMCW detectors, sometimes referred to as true-presence microwave detectors,
transmit continuous frequency-modulated waves at the detection zone.
Frequency varies over time. Detectors measure the range from the detector to
the vehicle to determine vehicle presence. To obtain speed, the distance
between two range bins is divided by the time that the detected vehicle
travels that distance (4-1)."

The "Your speed is" sign lit up on the trailer, but the V1 sat silent.

I don't know if FMCW is being deployed in hand held units, but I can see
this as a future threat to our "spirited drives" !

Anyone else with similar experiences?

Mark Lueker
308 SYSTEMS Inc.
970-282-7006
www.308systems.com

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Philip A. Tegtmeier
"E" Philville [at] dejazzd.com
"web" www.PhilvilleUSA.com 
610.525.8949

39 Churchill Drive
"Summerfield" 
Elverson Pa. 19520
610.913.1133