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Do you have signal problems in your car ?
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Talkingbollox
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Joined: 14/10/2002 15:11:34
Posts: 439
Location: United Kingdom

PostPosted: Sun Sep 14, 2003 8:04 am    Post subject: Do you have signal problems in your car ? Reply with quote

Not true. I manage to receive GPS signals in an Audi A4 and a Vauxhall Zafira.
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SJTaylor
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Joined: 11/03/2003 14:12:03
Posts: 43
Location: United Kingdom

PostPosted: Sun Sep 14, 2003 8:04 am    Post subject: Do you have signal problems in your car ? Reply with quote

This is taken from the Navman FAQ on their website:



Please note, some car manufacturers are using athermic heat reflecting windsheilds which also reflect the GPS signal, blocking it from entering the car. These are as follows:



Audi - all models 2001 onwards

BMW 740

Citroen Xsara Picasso

Jaguar X-Type

Peugeot "07" range

Renault - all models 2001 onward and Laguna

Vauxhall - all models 2002 inward and Zafira

VW Passat after 2002



The solution to this problem is to use a re-radiating antenna which will retransmit the GPS signal inside the car.

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Mearns
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Joined: 24/08/2003 18:17:58
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Location: Aberdeen, Scotland

PostPosted: Sun Sep 14, 2003 8:04 am    Post subject: Do you have signal problems in your car ? Reply with quote

2003 Saab 9-5 Aero Estate with heat absorbent tinted glass. Ipaq 2210 with TomTom Bluetooth receiver. No problems at all - 6-9 birds when placed on the dash close to the windscreen and even 3-5 when placed on the passenger seat as an experiment although obviously in this position there was some signal dropout.
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RichDem
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Joined: 12/12/2002 11:57:47
Posts: 259
Location: East Yorkshire

PostPosted: Sun Sep 14, 2003 8:04 am    Post subject: Do you have signal problems in your car ? Reply with quote

Hi My Setup is as follows:



2001 Ford Mondeo (New Shape)

Ipaq 3850, Navman Jacket & Smart ST Pro



I have the Ipaq mounted to the left of the steering wheel, I use a re-radiating antenna mounted on the roof with excellent results, without the re-radiating antenna the signal is very poor.



One thing I did find was that initially I had the mag mount ariel touching one of the roof bars, for ages I still had long ttff's. Just before I binned the lot I thought I would try moving the ariel, all I did was turn it through 90 degrees so that it was around 2 inches from the roof bar and what a difference it makes. Now by the time I have got my seatbelt on and engine runnning I have a good 5 sat lock.



Now I am happy, I guess the roof bars were somehow affecting the performance of the re-radiating ariel.



Richard
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osbo
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Joined: 05/12/2002 18:36:30
Posts: 10
Location: United Kingdom

PostPosted: Sun Sep 14, 2003 8:04 am    Post subject: Do you have signal problems in your car ? Reply with quote

Wife's new 2003 Audi A4 TDi with heated front screen, Haicom 203+Jornada - excellent reception. Sats - 5 min 8 typical.



BTW Haicom receiver is the dog's knob!! Especially at the price. Leave it plugged into the lighter socket whilst PDA is removed and TTFF with TomTom Navigator is virtually instantaneous when reconnecting the PDA.



Yours,



Chuffed to Bits!
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Skippy
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Joined: 24/06/2003 00:22:12
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Location: Escaped to the Antipodies! 36.83S 174.75E

PostPosted: Thu Oct 02, 2003 12:51 pm    Post subject: Reply with quote

I had a drive of a Renault Laguna and there is no reception at all though the windscreen of this car. It had the "heat reflecting" windscreen which has a distinctive blue tinge to it. I think this is standard on all Renault's with Air Conditioning.

The GPS works fine out the rear and side windows, but the windscreen does limit the visibility somewhat.

It is interesting to note that there was a clear, non heat reflecting section around the internal rear view mirror where the GPS (a GPS-V) does work. I expect that you could mount a GPS antenna or Mouse/BT type receiver in this section under the rear view mirror and it should work.

I didn't have my radar detector with me, but it looks like this clear section would also allow you to mount the radar detector on the sun visor or suction it to the windscreen so it will work properly. Very thoughtful of them. Wink Thumbs Up
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Skippy
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PostPosted: Thu Oct 02, 2003 12:52 pm    Post subject: Reply with quote

Skippy wrote:
I had a drive of a 2003 Renault Laguna and there is no reception at all though the windscreen of this car. It had the "heat reflecting" windscreen which has a distinctive blue tinge to it. I think this is standard on all Renault's with Air Conditioning.

The GPS works fine out the rear and side windows, but the windscreen does limit the visibility somewhat.

It is interesting to note that there was a clear, non heat reflecting section around the internal rear view mirror where the GPS (a GPS-V) does work. I expect that you could mount a GPS antenna or Mouse/BT type receiver in this section under the rear view mirror and it should work.

I didn't have my radar detector with me, but it looks like this clear section would also allow you to mount the radar detector on the sun visor or suction it to the windscreen so it will work properly. Very thoughtful of them. Wink Thumbs Up
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Bish
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Joined: Nov 14, 2003
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PostPosted: Wed Nov 19, 2003 12:46 pm    Post subject: Reply with quote

I have a Peugeot 406, 2002 model.. Standard Windscreen

Using Toshiba E750 with wired Tom Tom GPS..

Reception on the front dash was terrible. It kept losing signal. Moved GPS to the back window and it works fine..
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jaguar
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Joined: Nov 26, 2003
Posts: 14
Location: London, UK

PostPosted: Mon Dec 01, 2003 10:09 am    Post subject: Re: Do you have signal problems in your car ? Reply with quote

Jaguar XJR '99.

iPAQ in a dash-mounted cradle with integral Fortuna XTrack in CF sleeve. TTN2.

No problems at all almost all of the time. Occasionally loses the signal while driving but usually locks 5-7 satellites. No need for external antenna in my experience.
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Vorix
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Joined: Dec 06, 2003
Posts: 27
Location: Berkshire

PostPosted: Sat Dec 06, 2003 10:53 pm    Post subject: Reply with quote

BMW 5 series Touring MY2002

HP iPAQ H1940

Fortuna GPSmart BT

Positioned in centre of dash. No reception problems at all. Regularly get 6 sats, have seen 10. Drops to 3 or 4 occasionally.
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Robin2
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Joined: Nov 24, 2003
Posts: 1441
Location: Swansea

PostPosted: Sun Dec 07, 2003 8:08 pm    Post subject: Reply with quote

Seat Leon, Holux 210 placed on dash centre, near window. Regularly get 6-8 satellites - have seen 11
Robin
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Wilko
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Joined: Nov 17, 2003
Posts: 203

PostPosted: Tue Dec 16, 2003 6:38 pm    Post subject: Reply with quote

Ford Focus with climate pack including heated front screen.

Have my Ipaq with CF card mounted to far right edge of front window, it just misses the heating elements and i have managed to achieve 11 sats in past so far, anywhere under the window and the Holux GM270 and the Haicom MMF dont get a fix, although the Rikaline X7 did, even tucked away in the glove box, but its that slow at updating its pretty much useless for in-car sat nav.
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pko
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Joined: Nov 10, 2003
Posts: 53
Location: norfolk uk

PostPosted: Thu Jan 08, 2004 4:32 pm    Post subject: Reply with quote

Discovery ES 2003 model with Heated Screen. Very poor signal. i have tried a re rad. aerial but with limited success.
Using Garmin Streetpilot. & laptop.
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Matrick
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Joined: Dec 20, 2003
Posts: 31

PostPosted: Thu Jan 08, 2004 8:48 pm    Post subject: Reply with quote

Alfa Romeo 156 Sportwaggon 2003 model.

Coated windscreen.

Very poor signal using Royal Tek Sapphire and Clip On Fortuna Bluetooth (in ST mode). Fortuna unit is fine in XT mode 6-10 sats.

regards

Matt
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chris_de_wet
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Joined: Dec 16, 2003
Posts: 60
Location: Cheshire, UK

PostPosted: Fri Jan 09, 2004 1:43 pm    Post subject: Reply with quote

Garmin eMap

Volvo 760 (1989) - works perfectly on-dash

Peugeot 306 - - works perectly on-dash
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