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sierra7
Member Since: 29 Oct 2012
Location: East Sussex
Posts: 9
  
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Has anyone else experienced loss of GPS signal to Tom Tom when unit is placed in the centre of the windscreen? I'm sure something must be blocking it as it works in my husband's car without a problem (and also works if I hold it out the window, which is fine when driving on my slow country lanes but not so good when on the motorway...  )
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 7th Jun 2013 4:08 pm |
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nigel207
Member Since: 26 Mar 2009
Location: Nottinghamshire
Posts: 1344
 
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Heated screen elements interfering with the signal?
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| 7th Jun 2013 4:44 pm |
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A1GSS
Member Since: 12 Sep 2010
Location: Saffron Walden, Essex
Posts: 4691
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Well, maybe, but my Tomtom works OK in the D3 with a heated screen, and was also OK in my FFRR which had heating elements and some kind of sound absorbing coating.
The OP says "... centre of the screen...." - does it work if you have it to the side? ____
Gone: 10MY L320 RR Sport HSE, Ipanema Sand
Gone: 20MY Jaguar iPace HSE, Silicon Silver
Gone: 17MY RR Evoque SE Tech, Loire Blue
Gone: 08MY Discovery 3 XS, Stornoway Grey
Gone: 07MY FFRR TDV8 Vogue, Stornoway Grey
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| 7th Jun 2013 5:03 pm |
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sierra7
Member Since: 29 Oct 2012
Location: East Sussex
Posts: 9
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Thanks for the answers so far. I've tried placing it on the right hand side of the steering wheel and it does seem to work. Only problem is I can't keep it there as it's right over the airbag and I believe it's dangerous to place anything there. Could it be something to do with the thing that looks like a speaker (please forgive my total ignorance) that's on the centre of the dash just below the windscreen?
I did search the forums for any problems relating to this issue but found nothing which I find odd, there must be something strange about my car. 
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| 7th Jun 2013 5:33 pm |
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Kingmav66
Member Since: 20 Jul 2010
Location: Gloucestershire
Posts: 1349
 
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I don't know about the D3, but my van has this problem, and it's to do with the thermal properties of the windscreen. Something about the windscreens in cars with AC have a coating/layer in them to help eliminate solar gain 
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| 7th Jun 2013 5:44 pm |
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Hairy Dan
Member Since: 19 Jan 2011
Location: Co. Durham
Posts: 12319
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When off road I use a asus tablet with a built in gps, this worked fine in my MY2011 D4 mounted in the centre of the windscreen just above the built in screen BUT on my MY2012 it doesn't work. it can't get a gps lock, there is something in the MY2012 that wasn't in the MY2011 that totally blocks the signal. I get around it with my tablet by using one of THESE in the corner of the screen Cheers Ian
--------------------
Club N.E.R.D.S
Kielder 4x4 Safari
Discoless
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| 7th Jun 2013 5:47 pm |
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A1GSS
Member Since: 12 Sep 2010
Location: Saffron Walden, Essex
Posts: 4691
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Kingmav66 wrote:... it's to do with the thermal properties of the windscreen. Something about the windscreens in cars with AC have a coating/layer in them to help eliminate solar gain...
Maybe so. Seem reasonable, but doens't explain why the OP's Tomtom works OK when it's fitted towards the edge of the screen? ____
Gone: 10MY L320 RR Sport HSE, Ipanema Sand
Gone: 20MY Jaguar iPace HSE, Silicon Silver
Gone: 17MY RR Evoque SE Tech, Loire Blue
Gone: 08MY Discovery 3 XS, Stornoway Grey
Gone: 07MY FFRR TDV8 Vogue, Stornoway Grey
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| 7th Jun 2013 6:17 pm |
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sierra7
Member Since: 29 Oct 2012
Location: East Sussex
Posts: 9
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Hairy Dan wrote:When off road I use a asus tablet with a built in gps, this worked fine in my MY2011 D4 mounted in the centre of the windscreen just above the built in screen BUT on my MY2012 it doesn't work. it can't get a gps lock, there is something in the MY2012 that wasn't in the MY2011 that totally blocks the signal. I get around it with my tablet by using one of THESE in the corner of the screen
Hairy Dan, that's brilliant. At less than 10 quid one of those is definitely worth a try. And mine is a MY2012 so maybe that explains it. Thank you.
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| 7th Jun 2013 6:17 pm |
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NJSS
Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10502
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My TomTom works beautifully in a 2009 D3.
I mount it in the bottom right hand corner of the screen.
NJSS Am I Gammon or Woke ? - I neither know nor care.
2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
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| 7th Jun 2013 6:34 pm |
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A1GSS
Member Since: 12 Sep 2010
Location: Saffron Walden, Essex
Posts: 4691
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NJSS wrote:... bottom right hand corner of the screen...
Me too. Works fine. ____
Gone: 10MY L320 RR Sport HSE, Ipanema Sand
Gone: 20MY Jaguar iPace HSE, Silicon Silver
Gone: 17MY RR Evoque SE Tech, Loire Blue
Gone: 08MY Discovery 3 XS, Stornoway Grey
Gone: 07MY FFRR TDV8 Vogue, Stornoway Grey
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| 7th Jun 2013 7:00 pm |
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A1GSS
Member Since: 12 Sep 2010
Location: Saffron Walden, Essex
Posts: 4691
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It's a D4. Maybe the screen is different to the D3 / FFRR screen? ____
Gone: 10MY L320 RR Sport HSE, Ipanema Sand
Gone: 20MY Jaguar iPace HSE, Silicon Silver
Gone: 17MY RR Evoque SE Tech, Loire Blue
Gone: 08MY Discovery 3 XS, Stornoway Grey
Gone: 07MY FFRR TDV8 Vogue, Stornoway Grey
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| 7th Jun 2013 7:19 pm |
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Kingmav66
Member Since: 20 Jul 2010
Location: Gloucestershire
Posts: 1349
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A1GSS wrote:Kingmav66 wrote:... it's to do with the thermal properties of the windscreen. Something about the windscreens in cars with AC have a coating/layer in them to help eliminate solar gain...
Maybe so. Seem reasonable, but doens't explain why the OP's Tomtom works OK when it's fitted towards the edge of the screen?
That's where I have to position my Tom Tom. I'm guessing it picks up some of the more lateral satellites...... Only guessing though
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| 7th Jun 2013 7:22 pm |
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Barn1e
D3 Decade
Member Since: 28 Aug 2006
Location: Mid-sussex
Posts: 2021
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My Tom Tom sits in the hole in the dash where the satnav/control screen is on the higher spec models. It works fine but I agree that it is slower to pick up the satellites than when bottom right on screen. It can also lose the satellites for a few seconds but nothing to cause too much of a problem  I found that inconvenience less than it dropping off the screen and falling under the brake pedal  which it did despite cleaning screen and suction pad. 2005, TDV6 S, Auto, 190k miles, owned from new, V8 Brake Upgrade, Nancom Evo, RLD protector, BAS EGR blanking & Remap, separate ATF cooler, changing all the fluids ahead of time.
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| 8th Jun 2013 7:38 am |
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crews control
Member Since: 18 Mar 2007
Location: Dorset
Posts: 5011
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When you have to replace your screen, just make sure Autoglass do it...
All your gps gadgets will probably work fine after that.
Seriously... could it be anything to do with the DAB radio? I have a road angel gem that conflicts with the DAB radio - i.e.. they wipe each other out. switch to FM and all is fine.
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| 8th Jun 2013 9:54 am |
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sierra7
Member Since: 29 Oct 2012
Location: East Sussex
Posts: 9
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crews control wrote:When you have to replace your screen, just make sure Autoglass do it...
All your gps gadgets will probably work fine after that.
Seriously... could it be anything to do with the DAB radio? I have a road angel gem that conflicts with the DAB radio - i.e.. they wipe each other out. switch to FM and all is fine.
Lol - replacing the windscreen seems a bit drastic but I'll keep it in mind... I do have the radio on DAB so I'll switch to FM & see if that helps. Thx.
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| 8th Jun 2013 10:30 am |
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