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Thread: GPS, heatreflecting windscreen

  1. #1
    Regular Member hsmeets's Avatar
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    Default GPS, heatreflecting windscreen

    Good evening,

    Does anyone know, when you have the cd70/dvd90 navigation radio, where the factory installs the GPS antenna/receiver?

    Most of my driving is on known routes, so only once a while I use a PDA with nav software to find my way around.

    My (soon to be delivered) signum is fitted with a heatreflecting windscreen so GPS reception will be none to poor with a GPS mouse on the dash. I thought: if I put it in the same spot (if accesseble) as the cd70/dvd90 antenna it should have better reception than on the dashboard.

    tia,

    Huib

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    I have just bought a Holox BT321 GPS receiver it even works indoors so you could get one of these as I'm sure it would work behind a heat reflective windscreen.

  3. #3
    [Ex]Admin Duncan's Avatar
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    The GPS antenna is in the same mounting as the normal aerial - it just has a larger base (the GPS bit).

    The reflective windscreen will knock a bit of the signal out, but I know of one person (GSi3.2) using a TomTom One with a reflective screen and it works fine for them.

    HTH

    D

  4. #4
    Regular Member hsmeets's Avatar
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    ah, good news, maybe I should upgrade the receiver to a Sirf-III based chipset (reportedly better reception)

    Well, if the windshield doesn't harm reception not as bad in a laguna, I could be lucky

    Let's wait and see.

    huib
    Last edited by hsmeets; 23rd May 2006 at 18:36.

  5. #5
    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by hsmeets
    ah, good news, maybe I should upgrade the receiver to a Sirf-III based chipset (reportedly better reception)
    Yes indeed - they are.
    Quote Originally Posted by hsmeets
    Well, if the windshield doesn't harm reception not as bad in a laguna, I could be lucky
    I think the Renault screen is more 'agressive' in terms of blocking out GPS signals.

    D

  6. #6
    Regular Member Green Growler's Avatar
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    Don't forget you can always use remote/external receivers. I have used a PDA with TomTom for some time now, and I have always used a external receiver.
    Mine is currently stuck in the V in the centre of the front bumper. It is stuck to the front cross member and sees through the plastic bumper.
    Works perfectly and no one would ever know it is there.

  7. #7
    Regular Member hsmeets's Avatar
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    Quote Originally Posted by Green Growler
    Don't forget you can always use remote/external receivers. I have used a PDA with TomTom for some time now, and I have always used a external receiver.
    Mine is currently stuck in the V in the centre of the front bumper. It is stuck to the front cross member and sees through the plastic bumper.
    Works perfectly and no one would ever know it is there.
    very clever......you solution is carved into my brain

    I now have a bluetooth GPS receiver, but a wired version is an option, they aren't that expensive.

    huib

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    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by hsmeets
    I now have a bluetooth GPS receiver, but a wired version is an option, they aren't that expensive.
    It can still be a Bluetooth receiver Huib, like the TomTom one. You keep the receiver in the car and just run an external antenna into the receiver from outside. It obviously has to have an input for an external aerial - as the TomTom and many other BT receivers do.

    GG - why do you need an external receiver? Does your unit not receive well in the car? (Simply curious! )

    D

  9. #9
    Regular Member Green Growler's Avatar
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    It's a PDA m8, (not a dedicated navigation device) needs a GPS receiver of some kind, and I opted for the external version from the outset.
    Most of these externals have a magnetic base which can come in very handy, when I recently changed cars for example, I was still able to use my sat nav by simply sticking the receiver temporarily to the roof !!! This got me there and back when I swapped cars. (magnet is good for erm... 70mph on the motorway)
    On the old Vec B I had, the receiver was in the same place, and the cross member on that was steel, so it stuck there on it's own, the C's cross member is alloy, so I have had to use double sided sticky foam strip, works really well though.

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    Regular Member Damian's Avatar
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    Any chance of a photo GG, I am intruiged

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