Radar guns

[Max Wellhouse]

I read an article on the Lidar several years ago and apparently the lighter 
colored your car, the better chances of you getting busted.  One of it's 
big advantages is that it can locate a speeding Corvette amongst 4 or 5 
other lanes of 18 wheelers.  the downside for the cops is that  the Lidar 
gun usually needs to be mounted on a tripod as hand holding it is 
impossible to get the beam to focus on the target.  that means basically a 
trap has to be set up with chase cars as well as a stationary operator 
which means lots of labor hours for questionable return for the 
dollar.  The units are expensive initially as well.

DM&FS



At 10:31 PM 8/9/2006, Brett Dikeman wrote:


>On Aug 9, 2006, at 8:59 AM, David Kase wrote:
>
> > Well there are several things going on here...
> >
> > Camera radar I believe is K-band, most gun radar is X-band.  And there
> > is also ladar (laser) guns (although I don't think they are used with
> > cameras).
>
>MA State police are mostly Ka and don't really bother with instant-on
>unless they're doing an actual trap, from what I've seen, which isn't
>much, admittedly.  Locals are K/Ka, mostly depending on how rich they
>are, and use a variety of constant and instant on; I've "seen" moving
>patrols go instant-on when seeing oncoming traffic, and I've also
>"seen" them just cruising with it on constantly.  Radar signboards,
>which are almost a plague around here, are K-band.  I don't think I
>have seen a single Ka signboard.  X-band is almost unheard of- never
>seen it except as interference.
>
>Speed cameras are not used anywhere in the US, to the best of my
>knowledge.  I've never heard of LIDAR being used with speed cameras
>elsewhere; among other things, the gun has to be aimed by hand since
>the beam isn't very wide until you get -really- far out.  Scott D has
>several lidar/radar guns and brings them with him to events on a
>fairly regular basis.  With a camcorder with nightshot turned on
>during twilight, you can see a reflection off a sign hundreds of
>yards away is only a foot or two wide.
>
>Last night at the Unos GTG, I clocked one of Waltham's finest doing
>35mph in a 20mph zone on Bear Hill Road, at a distance of roughly 400
>feet.  How 'bout that.
>
>Brett
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