How do you explain laser jammers when you get pulled over by police?

[khabel]

Wouldn't the cop pull you over anyway if he knows you're speeding even if he can't get a reading on you and then also ticket you for having a jammer?

[pritch]

Eh? Who has got a laser jammer?

Or, who has even seen one?

[slofox]

Eh? Who has got a laser jammer?

Or, who has even seen one?

"Not I" said the cat...

[Latte]

Mate had one on his car, 2 little black boxes either side of his number plate. Obvious once he showed you, but if you weren't looking you'd not notice them.

Got to see them in action too, he told me the trick was to turn them off once you got down to 110-120 under braking so the cop would get a lock at around 110-100, if you left it on you might get pulled over.

[pzkpfw]

... he told me the trick was to turn them off once you got down to 110-120 under braking so the cop would get a lock at around 110-100, if you left it on you might get pulled over.

I'd have throught there was a way to wire them into the car so they'd do that automatically.

[Latte]

I'd have throught there was a way to wire them into the car so they'd do that automatically.

Maybe on later model ones, this was about 6-7 years ago and he bought it 2nd hand from overseas (for about $1500 from memory). He had that and a high end radar detector for similar money. Reckons they paid for themselves in about 2 years.

[Road kill]

A mate that has one turns it off as soon as he's reacted to his detector going off.
I don't think there's anything illegal about them,but bragging about it to a cop might not be the done thing.

Riding a 1973 twin means I don't need none of that shit :violin:

[Damantis]

[QUOTE=Road kill;1130150184]A mate that has one turns it off as soon as he's reacted to his detector going off.
I don't think there's anything illegal about them,but bragging about it to a cop might not be the done thing.

Anything that interferes or impedes the operation of speed detection equipment is actually illegal. So yes, you can be fined for operating a jammer. Detectors don't emit anything to interfere with detection equipment so are fine.

[red mermaid]

How is it possible to jam a Laser, a beam of light, when you have no idea on what part of the vehicle the officer is going to point it at?

[Gman71]

Laser jammers are not illegal. Radar jammers are.

Lasers are just the hand held units they point at you, and jammers work by returning an extra 'character' if you like in what the laser is expecting back, so they can't get a reading.

Radar jammers fuck with radio/radar transmissions and are a illegal.

Laser jammers dont help you for the in car hawk units. Only the hand held units the really lazy cops use.

At least that's how I understand it.

[davereid]

There are passive ways of defeating laser. It operates on a different principle to traffic radar and has a few vulnerabilities.

It sends a pulse of light, which hopefully reflects from your vehicle and the reflection is detected by the laser. The time taken allows calculation of the distance to the target.

A short time later it sends another pulse which is also timed, allowing a second distance reading to be taken.

If (for example) the time between the two pulses was 1/100th of a second, and the distance had decreased by 278mm you are travelling at 27.8m a second or 100 km/hr.

But thats where the vulnerability of the laser occurs. It ASSUMES that BOTH reflections come from the same place on the car.

But thats not always true. If your car was stationary, and the first reflection came from the back of the headlight reflector, and the second reflection came from the front, an apparent speed towards the laser would be measured even though you are not moving.

Laser manufacturers are aware of this, and they use special techniques to try and overcome it.

The first is a highly reflective numberplate, so a good flat target is available.

The second is to take multiple readings really quickly, and ensure several of them give the same distance to target.

So repainting your numberplate so it is no longer reflective reduces laser effectiveness, as does putting it on a slope, so the top and bottom of the plate are at different distances to the laser.

And putting cat eye reflectors on your vehicle, close together but at different distances from the front of your vehicle also helps.

This is because the operator is unlikely to be able to hold the laser on any one cateye. (Actually he wont be trying to !, but as the cat eye is a far far better reflector than the vehicles paint, the laser will "grab" any reading that occurs as the laser paints a cateye).

So the laser wont get the same distance to target twice in a row, and will restart target acquirement.

As you get closer to the operator, especially if the operator is using a tripod or side of vehicle as a "steady" you will eventually get pinged.

But if the MK1 eyeball is in service, this ping should be irrelevant.

[Blackbird]

It's a bit academic about radar jammers (microwave band) being illegal as you couldn't build one sufficiently compact for a bike anyway - they take a huge amount of energy and are pretty much limited to military applications. With respect to laser jammers, there are technically some avenues for a prosecution according to a police riding partner of mine but he has never heard of one being brought.

When I last looked at some independent tests, the Blinder and the Cheetah were the only ones which worked well, the rest were "snake oil". Not only are they bloody expensive, they need to be hooked up to a top quality detector too.

I've got a good detector but my right wrist and choosing time and place is a much cheaper alternative than a jammer :innocent:

[Scuba_Steve]

How is it possible to jam a Laser, a beam of light, when you have no idea on what part of the vehicle the officer is going to point it at?

Prob just based on the assumption the cops are gonna do what they're told & point it at the plate, as is procedure.

[tigertim20]

Wouldn't the cop pull you over anyway if he knows you're speeding even if he can't get a reading on you and then also ticket you for having a jammer?

well that would be interesting wouldnt it?
you use a jammer, doing 115km/hr, and he gives you a ticket for 123km/hr.

what are you going to say?

Decide which is the lesser of the two evils and go from there i guess.

[davereid]

It's a bit academic about radar jammers (microwave band) being illegal as you couldn't build one sufficiently compact for a bike anyway - they take a huge amount of energy and are pretty much limited to military applications.

I have never researched jamming modern radar, but the old 10.7 GHz stuff was very easy to jam.

You used to be able to buy 10.7 GHz gunn diode oscillators, they only produced a few u-watts but they easily stuffed the radar of the day and were match box sized.

From memory we used to amplitude modulate them - actually we used to turn the power supply on and off.

Seem to remember 19hz per km/hr was the rule of thumb. So 1900 hz am modulation gave the cop a reliable 100 km/hr regardless of actual speed. Must look in the shack, may still have one somewhere.

[scumdog]

Prob just based on the assumption the cops are gonna do what they're told & point it at the plate, as is procedure.

Huh?:blink:

I can't even SEE the plate at 250 metres let alone aim the laser at it....

[bsasuper]

Just say its a garage door opener.I went through a rego/warrant check point with my rader zapper sitting on the dash(its in a shoebox), copper asked what it was to which I replied a shoebox of old TV parts.

[steve_t]

Found this on youtube and it happens to be in the good ol' 'tron. Interesting.

<iframe width="480" height="390" src="http://www.youtube.com/embed/cerYiPogw-0" frameborder="0" allowfullscreen></iframe>


I've never heard of anyone getting done by laser but I assume there's a few units out there. Anyone been caught or detected and then sighted a laser trap?

[khabel]

Found this on youtube and it happens to be in the good ol' 'tron. Interesting.


I've never heard of anyone getting done by laser but I assume there's a few units out there. Anyone been caught or detected and then sighted a laser trap?

Thats what I mean, as soon as a bike did that you would know it had a jammer and pull them over

[steve_t]

Dunno how easy it would be to target a bike. The cars seem hard enough and they've got a pretty big front surface area.

Again, I've picked up plenty of Ka band police radars but have yet to come across a laser trap. Maybe they have them in the bigger smoke of Auckland

[slofox]

I've never heard of anyone getting done by laser but I assume there's a few units out there. Anyone been caught or detected and then sighted a laser trap?

I have had the detector light up from laser traps a couple of times but was within the limit both times so not pinged.

On one occasion, I came across a group of coppers training with hand held lasers. I got one of them to check my speedo calibration with one. He sent me back up the road a bit and took a reading as I came back towards him. He told me that it wasn't all that easy to get a reading off a bike, there being lots of curved surfaces and being a small target as well. So it was taking him a wee while to actually get a reading.

Which is why I still think a detector can save you from a laser gun if you react quickly enough to it. Maybe...

[red mermaid]

Recommended procedure as it is assumed to be the most reflective part of the vehicle, but any part of the vehicle will do.


Prob just based on the assumption the cops are gonna do what they're told & point it at the plate, as is procedure.

I think this is false as on the Police units I have seen they give a read out of the speed and another measurement, and I don't think the police would co-operate on this type of experiment.


Found this on youtube and it happens to be in the good ol' 'tron. Interesting.

<iframe width="480" height="390" src="http://www.youtube.com/embed/cerYiPogw-0" frameborder="0" allowfullscreen></iframe>


I've never heard of anyone getting done by laser but I assume there's a few units out there. Anyone been caught or detected and then sighted a laser trap?

[steve_t]

I think this is false as on the Police units I have seen they give a read out of the speed and another measurement, and I don't think the police would co-operate on this type of experiment.

Yeah, I doubt this is actually a Police unit. Probably some rich dude that's brought one in from the US along with his laser shifter for his Merc. I wouldn't even know if that's the same model as the police use now, or have ever used.

[scumdog]

Found this on youtube and it happens to be in the good ol' 'tron. Interesting.

<iframe width="480" height="390" src="http://www.youtube.com/embed/cerYiPogw-0" frameborder="0" allowfullscreen></iframe>




Pfft, as fake as Britany Spears purity...

[Scuba_Steve]

Yeah, I doubt this is actually a Police unit. Probably some rich dude that's brought one in from the US along with his laser shifter for his Merc. I wouldn't even know if that's the same model as the police use now, or have ever used.

The one used against me was Kustom Signal Pro Laser II but the log book has 3 options to circle Pro Laser II, Pro Laser III, S Lidar.

[Damantis]

Dunno how easy it would be to target a bike. The cars seem hard enough and they've got a pretty big front surface area.

Again, I've picked up plenty of Ka band police radars but have yet to come across a laser trap. Maybe they have them in the bigger smoke of Auckland

I've come across a laser trap a couple of times, both while in my work van rather than on the bike. Once northbound near the first crest of the Bombays and the other only a few weeks ago southbound on the Expressway. He was sitting at the beginning of Whangamarino? road, just north of Te Kauwhata, tagging cars overtaking in the dip. Detector went nuts both times but dunno if I was targetted or I just picked up scatter from someone in front. I don't think they actually have many of these guns in use, just radar seems to be the main weapon detection

[scumdog]

Far-out, it must be a prick living in an area where you've got all that kinda shit to think about as you ride/drive around...:blink:

[Damantis]

Far-out, it must be a prick living in an area where you've got all that kinda shit to think about as you ride/drive around...:blink:

Downright dangerous if you think about it!
I mean, don't you guys realise there's far more important thing to be spending attention on when riding? :innocent:

[Indiana_Jones]

So when a cop paints you with a laser it's ok.

When you paint a cop with a laser pointer and you'll get done for assault.

-Indy

[scumdog]

So when a cop paints you with a laser it's ok.

When you paint a cop with a laser pointer and you'll get done for assault.

-Indy

If you can see the laser on you it probably means you've fucked up and about to 'ride the lightening' c/o a taser.

The type they use on the road is invisible.

Stop whining Indy....

[Indiana_Jones]

If you can see the laser on you it probably means you've fucked up and about to 'ride the lightening' c/o a taser.

The type they use on the road is invisible.

Stop whining Indy....

http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10660417

Still BS

...so I can laser them with the invisible ones too then?

Also are radar jammers legal?

I doubt they are, which is lame as it kinda pisses on the cat and mouse game lol

-Indy

[scumdog]

...so I can laser them with the invisible ones too then?
-Indy

Sure.

But how would they know???:blink:

[Indiana_Jones]

Sure.

But how would they know???:blink:

I send them a read out in the mail with a fine :lol:

-Indy

[Scuba_Steve]

http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10660417

Still BS

...so I can laser them with the invisible ones too then?

Also are radar jammers legal?

I doubt they are, which is lame as it kinda pisses on the cat and mouse game lol

-Indy

Radar jammers are illegal under rf law I believe, they tend to interfere will all rf radios, cells etc so are banned


Sure.

But how would they know???:blink:

really? can I hold you to that???

I work with a few invisible lasers & trust me you'd know if one hit you, especially in the eyes. Effects can range from "shit it's like I just looked at the sun" to "fuck I'm blind & my eyeballs are literally on fire"

[scumdog]

I work with a few invisible lasers & trust me you'd know if one hit you, especially in the eyes. Effects can range from "shit it's like I just looked at the sun" to "fuck I'm blind & my eyeballs are literally on fire"

Probably not what Indy has - or should be allowed!!:D

[Indiana_Jones]

That sounds awesome! where can I get one!

-Indy

[Scuba_Steve]

That sounds awesome! where can I get one!

-Indy

Well you'll need a chassis & a couple cards that'll set ya back about 1/4 mil add another hundy for a fibre so u can direct the laser. Will that be cash or credit??? :lol:

[DEATH_INC.]

Dunno how easy it would be to target a bike.
I've mentioned it before, the ZX12 guys in the US (a couple of genuine rocket scientists) did some testing, and reckoned the only place you could get a reading on the 12 was the headlights. They were gonna make some sort of film to stop it, but still let the light out. Dunno if they ever did. They also reckoned they could make a unit to send back a signal strong enough to kill the gun permanently.... :yes:

[St_Gabriel]

I've mentioned it before, the ZX12 guys in the US (a couple of genuine rocket scientists) did some testing, and reckoned the only place you could get a reading on the 12 was the headlights. They were gonna make some sort of film to stop it, but still let the light out. Dunno if they ever did. They also reckoned they could make a unit to send back a signal strong enough to kill the gun permanently.... :yes:

Was just reading on a thread (http://www.apriliaforum.com/forums/showthread.php?t=235510) and in the first post the OP was talking about that film, amazing what you can get/find out when you work for Northrop Grunman (SP?)

[steve_t]

I've mentioned it before, the ZX12 guys in the US (a couple of genuine rocket scientists) did some testing, and reckoned the only place you could get a reading on the 12 was the headlights. They were gonna make some sort of film to stop it, but still let the light out. Dunno if they ever did. They also reckoned they could make a unit to send back a signal strong enough to kill the gun permanently.... :yes:

I wonder if it'd be doubly hard to read the newer bug eyed ZX6R and ZX10R with small projector headlights :innocent:
That film to stop it is probably this http://www.laserveil.com/

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[SPman]

Apparently parking sensors make good laser jammers.........

[varminter]

I have a special device that takes the incoming laser signal, up converts it to gamma rays then sends it back down stream thereby vapourising the original device and anyone in the vicinity. The big problem is that it's mains powered so I can't go far from the house and when I do use it all the lights go off in town.:blink:

[HQfiend]

Apparently parking sensors make good laser jammers.........

Well if you want parking sensors or laser jammers then PM and I'll hook you up!

Laser jammers are not illegal to own. They are not illegal to operate, unless you are using then to pervert the course of justice, or obscuring your number plate, or operating a vehicle in an unsafe manor, or, or, or etc. You get the idea.
There are probably a dozen different ways they could charge you indirectly regarding jammers.
Radar jammers are illegal to operate because the frequency of police radar is a "protected" frequency, like military freq's etc and therefore you are not allowed to use those same freq's.
Also just so there is no confusion There is no commercially available radar jammer on the world market for civilian auto-mobiles!

And before the flamers start up, check the net and if you find one let me know, BUT it must be supported with independant testing not the manufacturers claims (I.E. do not tell me about Rocky Mountain Radar and their range of "jammers" that have been scientifically proven not only not to jam radar, they aren't even very good detectors (worse on test most times!).