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post #1 of 25 (permalink) Old 3rd September 2005 Thread Starter
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General - Speed camera detectors and GPS receivers

I would love to install a Inforad GPS camera warning system in a 52 Laguna Sports Tourer, the system only costs 80 and looks good value for the money.

But I'm put off because of the metalic coated front windscreen will block the signals from the satellites, so a couple of questions.

Has anybody installed one of the above systems, and did they have to install the external antenna ?, if so where did they put the antenna ?.

Can the GPS output from the cars Sat Nav system be used, instead of the an external antenna ?, and how do I use/find it ?.

Has anybody used any other system successfuly ?.

Many thanks Terry
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post #2 of 25 (permalink) Old 3rd September 2005
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If you have the problem of a coated windscreen, it actually gives you a great excuse to put the detector somewhere else apart from on the dash (presuming it's not one that you need to be able to see). Just use a re-radiating antenna to pass the signal through to the interior of the car. I think this is pretty reliable one:

In theory, it means you can have any GPS device anywhere inside the car without the need to see the sky
post #3 of 25 (permalink) Old 3rd September 2005
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I'm running a TomTom GO 700 GPS sat-nav unit, and it suffers from the same problem. The Laguna II windscreen does, however, have an uncoated area - it's the dotted bit that's either side of the rear view mirror. The GO gets an excellent signal if located there, so I'd expect any other GPS device to work equally well. The only problem is that it stops you from using one of the sun visors. If your detector is a bit smaller, that might not be so much of a problem.

Otherwise, as Selwonk says, just buy a re-radiating antenna. Just take care not to buy too high a powered one, as you can apparently get feedback problems between the receiving antenna and the re-radiating element. The link he gave appears to be for a 45cm model, which should be just about ideal.

If you do go for a re-rad, the receiving antenna works well when placed in the dotted area on the windscreen - I'm now running the GO with a wired remote antenna placed there, and it's great. A colleague put the remote antenna for his Road Angel on the outside of his car, and some scrote cut the cable and swiped it!
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post #4 of 25 (permalink) Old 3rd September 2005
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I have the reradiating unit in the Espace, the receiver part is smaller than a matchbox and is stuck to the dotted part of the windscreen, the radiating ariel is then stuck nto the roof of one of the dashboard cupboards which has a TT Go 300 and a Talex GPS speed camera unit in it. Very neat and works a treat (thanks to mike_h).

The re-rad unit was cheaper than the TTGo ariel so a result really.
post #5 of 25 (permalink) Old 4th September 2005
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I use the tom tom bluetooth gps receiver combined with a cheap Ipaq 1940.

I placed the gps unit in the middle of the dash using the magnetic base supplied in the kit ( a top the cd info screen ) and it works flawlessly without the need for additional signal boosting.


PS:- Tom tom version 5 software includes POI warnings and you can download the latest speed camera database from the above website. My system makes a star trek warning noise when approaching a speed camera and a cow moo when nearing a drive in mc donalds ( just my sense of humour but its true ) moooooo...

camera , detectors , general , gps , receivers , speed

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