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Pre-warning of mobile speed vans question.
Brian L
post Mon, 28 May 2018 - 08:32
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Is there a detector that will give pre-warnings for the mobile speed camera vans ? I would really like something that can tell me a laser beam is being operated rather than a data base warning. I know that the laser detector will warn when the car is actually targeted by the mobile van but then this is too late and so the need for an earlier live detection of a laser beam ahead.
I have been told that both the Snooper4Zero and the Snooper4zero elite can do this. Is this correct?
Thanks.
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post Mon, 28 May 2018 - 08:32
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Churchmouse
post Mon, 28 May 2018 - 09:34
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Nowhere on the Snooper website could I find anything about "pre-warnings", and (given how laser speed detection systems work) it would be very odd if they had made any such claims. They claim to have a very effective database, which includes mobile camera sites, but that's hardly the same thing as actively detecting laser usage.

If you're a disciplined driver, drive at "ACPO nominal" speed (10% over) and you'll pass most people and get passed only by very lucky (or foolish) people. Or buy fancy gadgets. Somewhere I have a nice Morpheous Geodesy you might be interested in? And if I dig further, I might even find my original Cincinnati Microwave Escort...

--Churchmouse
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Fredd
post Mon, 28 May 2018 - 09:35
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If it's a busy enforcement site and someone in line of sight ahead of you is pinged then maybe it can pick up the scattered laser energy, but it's going to have to be a lucky combination of circumstances, and isn't going to help at all if you're on your own. Other than that you're just relying on its GPS and camera location database.


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peterguk
post Mon, 28 May 2018 - 10:55
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QUOTE (Brian L @ Mon, 28 May 2018 - 09:32) *
I have been told that both the Snooper4Zero and the Snooper4zero elite can do this.


Snooper's website makes no such claims. Snooper claim thee device simply "detects lasers".


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The Rookie
post Mon, 28 May 2018 - 11:36
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QUOTE (Fredd @ Mon, 28 May 2018 - 10:35) *
If it's a busy enforcement site and someone in line of sight ahead of you is pinged then maybe it can pick up the scattered laser energy,

Doesn’t have to be a line of site, it can be a reflection round corners. A friend had a good quality laser detector (before GPS based devices were popular) and that could pick up scattered signals upto a mile away from the van IF it was being used, no guarantees of course, it can’t detect something not there!


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Fredd
post Mon, 28 May 2018 - 15:29
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QUOTE (The Rookie @ Mon, 28 May 2018 - 12:36) *
QUOTE (Fredd @ Mon, 28 May 2018 - 10:35) *
If it's a busy enforcement site and someone in line of sight ahead of you is pinged then maybe it can pick up the scattered laser energy,

Doesn’t have to be a line of site, it can be a reflection round corners.

I very much doubt that the device would be sensitive enough to detect light scattered from a vehicle that wasn't in your line of sight.


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122basy
post Mon, 28 May 2018 - 19:26
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QUOTE (Fredd @ Mon, 28 May 2018 - 16:29) *
QUOTE (The Rookie @ Mon, 28 May 2018 - 12:36) *
QUOTE (Fredd @ Mon, 28 May 2018 - 10:35) *
If it's a busy enforcement site and someone in line of sight ahead of you is pinged then maybe it can pick up the scattered laser energy,

Doesn’t have to be a line of site, it can be a reflection round corners.

I very much doubt that the device would be sensitive enough to detect light scattered from a vehicle that wasn't in your line of sight.

Exactly right, it won’t.

“Detect light round corners”!!! No chance.

I’ve tested a number of Snooper banded Laser detectors and in direct path have only seen one work at 30m, no more.

It would have to be a fantastic set of circumstances to see laser light “scattered” to set one off. That is in the realm of fantasy.

A laser detector is simply pointless, by the time it has warned you it’s just too late...unless I see one tested that does more than I have seen.

This post has been edited by 122basy: Mon, 28 May 2018 - 19:28
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Churchmouse
post Mon, 28 May 2018 - 22:13
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QUOTE (122basy @ Mon, 28 May 2018 - 20:26) *
A laser detector is simply pointless, by the time it has warned you it’s just too late...unless I see one tested that does more than I have seen.

But, let's not forget (since Traffic Constable Andrew Forth of the North Yorkshire Police evidently wanted us to know this) that laser jammers, although illegal, do work. cool.gif

--Churchmouse
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peterguk
post Mon, 28 May 2018 - 22:17
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QUOTE (Churchmouse @ Mon, 28 May 2018 - 23:13) *
QUOTE (122basy @ Mon, 28 May 2018 - 20:26) *
A laser detector is simply pointless, by the time it has warned you it’s just too late...unless I see one tested that does more than I have seen.

But, let's not forget (since Traffic Constable Andrew Forth of the North Yorkshire Police evidently wanted us to know this) that laser jammers, although illegal, do work. cool.gif

--Churchmouse


Who mentioned laser jammers? wacko.gif


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The Rookie
post Tue, 29 May 2018 - 05:13
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QUOTE (Fredd @ Mon, 28 May 2018 - 16:29) *
QUOTE (The Rookie @ Mon, 28 May 2018 - 12:36) *
QUOTE (Fredd @ Mon, 28 May 2018 - 10:35) *
If it's a busy enforcement site and someone in line of sight ahead of you is pinged then maybe it can pick up the scattered laser energy,

Doesn’t have to be a line of site, it can be a reflection round corners.

I very much doubt that the device would be sensitive enough to detect light scattered from a vehicle that wasn't in your line of sight.

Doubt it all you like, I was sat in the car and about a minute after it started going off (and getting more insistent) we passed the van, then it rapidly receded to nothing. After all it has to get reflected or the Lidar wouldn’t work, why it can’t get reflected at an angle and thus round a corner seems no different.


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There is no such thing as a law abiding motorist, just those who have been scammed and those yet to be scammed!

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122basy
post Tue, 29 May 2018 - 10:42
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QUOTE (The Rookie @ Tue, 29 May 2018 - 06:13) *
QUOTE (Fredd @ Mon, 28 May 2018 - 16:29) *
QUOTE (The Rookie @ Mon, 28 May 2018 - 12:36) *
QUOTE (Fredd @ Mon, 28 May 2018 - 10:35) *
If it's a busy enforcement site and someone in line of sight ahead of you is pinged then maybe it can pick up the scattered laser energy,

Doesn’t have to be a line of site, it can be a reflection round corners.

I very much doubt that the device would be sensitive enough to detect light scattered from a vehicle that wasn't in your line of sight.

Doubt it all you like, I was sat in the car and about a minute after it started going off (and getting more insistent) we passed the van, then it rapidly receded to nothing. After all it has to get reflected or the Lidar wouldn’t work, why it can’t get reflected at an angle and thus round a corner seems no different.

All of the Snoopers I have tested have been in the direct line to the laser. All were useless.

Perhaps I should set up a test for the same devices but set them around a corner or perhaps 1km away.

This post has been edited by 122basy: Tue, 29 May 2018 - 10:45
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The Rookie
post Tue, 29 May 2018 - 10:48
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I can't recall the brand he was using except it was high end, I'll see if he remembers.


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There is no such thing as a law abiding motorist, just those who have been scammed and those yet to be scammed!

S172's
Rookies 1-0 Kent

Council PCN's
Rookies 1-0 Warwick
Rookies 1-0 Birmingham

PPC PCN's
Rookies 8-0 PPC's
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Churchmouse
post Thu, 31 May 2018 - 19:41
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QUOTE (peterguk @ Mon, 28 May 2018 - 23:17) *
QUOTE (Churchmouse @ Mon, 28 May 2018 - 23:13) *
QUOTE (122basy @ Mon, 28 May 2018 - 20:26) *
A laser detector is simply pointless, by the time it has warned you it’s just too late...unless I see one tested that does more than I have seen.

But, let's not forget (since Traffic Constable Andrew Forth of the North Yorkshire Police evidently wanted us to know this) that laser jammers, although illegal, do work. cool.gif

--Churchmouse


Who mentioned laser jammers? wacko.gif

I did. In the post just above yours... happy.gif

--Churchmouse
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cp8759
post Fri, 1 Jun 2018 - 22:47
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QUOTE (Churchmouse @ Mon, 28 May 2018 - 23:13) *
QUOTE (122basy @ Mon, 28 May 2018 - 20:26) *
A laser detector is simply pointless, by the time it has warned you it’s just too late...unless I see one tested that does more than I have seen.

But, let's not forget (since Traffic Constable Andrew Forth of the North Yorkshire Police evidently wanted us to know this) that laser jammers, although illegal, do work. cool.gif

--Churchmouse

What you're basically saying is, whoever invents a type of paint or coating that passively absorbs electromagnetic signals will quickly become very rich indeed. Can't see a PCOJ charge sticking just cos you repaint your car with something which just happens to absorb laser signals.


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I am not on the "motorists's side", nor am I on the "police/CPS/council's" side, I am simply in favour of the rule of law.
No, I am not a lawyer.
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The Rookie
post Sat, 2 Jun 2018 - 04:01
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Will the windscreen, headlights and number plate be painted as well?


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There is no such thing as a law abiding motorist, just those who have been scammed and those yet to be scammed!

S172's
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Council PCN's
Rookies 1-0 Warwick
Rookies 1-0 Birmingham

PPC PCN's
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cp8759
post Sat, 2 Jun 2018 - 10:38
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QUOTE (The Rookie @ Sat, 2 Jun 2018 - 05:01) *
Will the windscreen, headlights and number plate be painted as well?

Yes, in special transparent coating which has the legitimate purpose of making the car "self-cleaning" but also just happens to absorb electromagnetic radiation :-D


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I am not on the "motorists's side", nor am I on the "police/CPS/council's" side, I am simply in favour of the rule of law.
No, I am not a lawyer.
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Brian L
post Sat, 2 Jun 2018 - 10:54
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Thanks all, some interesting comments !
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jezt
post Tue, 5 Jun 2018 - 15:53
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QUOTE (cp8759 @ Sat, 2 Jun 2018 - 11:38) *
QUOTE (The Rookie @ Sat, 2 Jun 2018 - 05:01) *
Will the windscreen, headlights and number plate be painted as well?

Yes, in special transparent coating which has the legitimate purpose of making the car "self-cleaning" but also just happens to absorb electromagnetic radiation :-D

The law already covers that bit. Surely...

The Road Vehicles (Display of Registration Marks) Regulations 2001

Further requirements for registration plates
11.—(1) No reflex-reflecting material may be applied to any part of a registration plate and
the plate must not be treated in such a way that the characters of the registration mark become,
or are caused to act as, retroreflective characters.
(2) A registration plate must not be treated in any other way which renders the characters
of the registration mark less easily distinguishable
to the eye or which would prevent or impair
the making of a true photographic image of the plate through the medium of camera and film
or any other device.
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Churchmouse
post Tue, 5 Jun 2018 - 21:35
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QUOTE (jezt @ Tue, 5 Jun 2018 - 16:53) *
(2) A registration plate must not be treated in any other way which renders the characters
of the registration mark less easily distinguishable
to the eye or which would prevent or impair
the making of a true photographic image of the plate through the medium of camera and film
or any other device.
[/i]

Lasers are not used to "make a true photographic image" of a number plate, so that particular legislation would apparently not prohibit cp's fantasy transparent coating.

--Churchmouse
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notmeatloaf
post Sat, 9 Jun 2018 - 20:55
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The best way to detect a camera van, and without attracting the attention of plod, is to use one of the "crowd sourced" real time speed camera apps available on phones. They won't always help on quieter roads but my experience is they are very reliable on motorways and dual carriageways, almost certainly someone will have driven past and issued an alert before they have even set up.

I've noticed an increase in the number of people cracking along at 85-90mph nowadays on the M40 which had reduced when they started having loads of enforcement. Either that or they have the magic paint.
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