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Sat Nav/GPS Issue

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Otagolad

Member Since: 13 Feb 2015
Location: Christchurch
Posts: 5

2012 Discovery 4 3.0 SDV6 HSE Auto Fuji White

Sat Nav/GPS Issue

Just upgraded the D3 to a D4 and have noticed that when I use the TomTom app on my iPhone in a cradle attached to the front window (cradle attached in the middle of the screen just above the dash) the TomTom app loses its GPS connection and yet when removed from the cradle and held away from the dash the GPS comes back on the TomTom app.

Is this due to the GPS from the Disco interfering with the iPhone's GPS and if so is there anything that can be done to avoid this as the TomTom app is far better than the Disco's sat nav?

22nd Mar 2015 8:00 pm

Airbus Guy

Member Since: 10 Feb 2015
Location: Northumberland, UK.
Posts: 36

2014 Discovery 4 3.0 SDV6 HSE Auto Corris Grey

Do you have a heated windscreen. If so, the heating elements in the screen effectively block the GPS signal.

22nd Mar 2015 8:13 pm

Otagolad

Member Since: 13 Feb 2015
Location: Christchurch
Posts: 5

I do have a heated front screen, however I had one on the Disco 3 and that never caused a problem.

22nd Mar 2015 8:33 pm

Hairy Dan

Member Since: 19 Jan 2011
Location: Co. Durham
Posts: 12319

2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini Black

I have an Asus tablet with built in GPS which I mount to the screen centrally and use for maps while out on the green lanes, in my MY2011 D4 this worked fine but in my MY2012 & MY2015 the built in GPS wont work, it just can't fix onto any satellites. To be able to use it I have an external bluetooth gps dongle which I can place at the side of the screen and it works fine, so there is something near the centre of the screen that blocks gps

Tomtom actually do a bluetooth gps receiver

Cheers Ian
--------------------
Club N.E.R.D.S
Kielder 4x4 Safari
Discoless

22nd Mar 2015 10:30 pm

Otagolad

Member Since: 13 Feb 2015
Location: Christchurch
Posts: 5

That's interesting as mine is a late 2012 model. I wonder if it is the remote locking sensor, which is at the front/middle of the dash by the window that is interfering with it?

22nd Mar 2015 11:01 pm

Otagolad

Member Since: 13 Feb 2015
Location: Christchurch
Posts: 5

Hairy Dan wrote:
Tomtom actually do a bluetooth gps receiver

Do they? Have looked online and can't find anything recent (2005 latest I could find) - just worried it might not work well with the TomTom iPhone app i.e. would the bluetooth gps receiver override the iPhone's built in GPS?

22nd Mar 2015 11:03 pm

Hairy Dan

Member Since: 19 Jan 2011
Location: Co. Durham
Posts: 12319

Sorry missed the bit where you said you were using an app on a Iphone, I think the Tomtom bluetooth dongle is for their stand alone systems

Cheers Ian
--------------------
Club N.E.R.D.S
Kielder 4x4 Safari
Discoless

22nd Mar 2015 11:05 pm

Otagolad

Member Since: 13 Feb 2015
Location: Christchurch
Posts: 5

No worries

22nd Mar 2015 11:19 pm

Airbus Guy

Member Since: 10 Feb 2015
Location: Northumberland, UK.
Posts: 36

I use a Bluetooth GPS receiver coupled to an iPad in the aircraft which works fine. It is intended for use with wifi only iPads as these do not have GPS whereas the cellular iPads do. My iPad Air is cellular and it and my iPhone 6 both work fine for navigation in the Disco using Apple maps and Ordnance Survey maps but I don't have the devices mounted near the windscreen.

23rd Mar 2015 12:19 am

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