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Home > In Car Electronics > Thinkware Dashcam F770 Very Slow to 'Lock-on' to GPS Signal?

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Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 5044

2013 Range Rover Sport Supercharged Autobiography Santorini Black

Main reason appears to be to reflect U/V rays and reduce temperature of glass.

Cheers
Col

Sun Oct 20 2019 10:27am

jimbg

Member Since: 29 Jan 2013
Location: By the River Dart
Posts: 1859

2013 Range Rover Sport SDV6 HSE Orkney Grey

jimbg wrote:
Evo5man wrote:

But I might try a temporary internal fix on the plastic tray between the rear quarter fixed glass and the retractable boot cover

I will post the results on here

I am sure it will work inside.

Did it work OK as a final solution or did you mount it outside? 2023 P440e SE Dynamic on order -cancelled

2022 HSE Dynamic P400e

2017 Discovery 3.0 HSE Silicon Silver Nimbus interior and a few extra toys SOLD

2013 HSE Black, Orkney Grey, Ebony Seats and Ivory Interior SOLD

2006 HSE

Plus a few other cars inbetween!

Sat Nov 23 2019 10:02pm

Evo5man

Member Since: 04 Jun 2017
Location: Skegness, Lincolnshire
Posts: 222

2013 Range Rover Sport SDV6 HSE Lux Orkney Grey

Update:

First I tried a temporary fix on the internal plastic trim below the rear quarter glass. The receiver had a good view of the sky but could not get a GPS fix.

Next I tried a temporary fix on the internal plastic trim below the rear hatch glass. The receiver had an excellent view of the sky but again could not get a GPS fix.

When I temporary fix the receiver external to the car I get a GPS fix within about 30 to 45 seconds?

Could it be the Pilkington OptiKool glass that is preventing a good GPS signal inside the car in addition to the heated front screen?

I am now looking at the possibility of fixing the GPS receiver externally in the top corner of the front windscreen and running the cable down the inside of the black A pillar trim, below the black plastic scuttle trim and through the engine bulkhead into the car.

Other priorities have prevented me from moving the project on at the moment but I will update this thread again when I have a permanent and working fix

Sat Nov 23 2019 10:55pm

Eaters

Member Since: 11 Apr 2016
Location: East Sussex
Posts: 1543

2008 Range Rover Sport TDV8 HSE Zermatt Silver

This is very strange as I don't have anything like the problems you've got. However, I have noticed one difference regarding the glass:

Click image to enlarge

Perhaps it is the difference between laminated and toughened glass...

Robin
2008 Range Rover Sport TDV8
Gone:
Jaguar S-Type V8 4.2 Sport
MGZTT 190 2.5

Sun Nov 24 2019 8:58am

Eaters

Member Since: 11 Apr 2016
Location: East Sussex
Posts: 1543

Doh! Just realised your picture was of the rear glass, and like mine that is toughened. So that shoots down my theory although there are differences in the code. Does your front screen label match mine? Here's my read quarter-light label. Previous picture was of the front screen

Click image to enlarge

Robin
2008 Range Rover Sport TDV8
Gone:
Jaguar S-Type V8 4.2 Sport
MGZTT 190 2.5

Sun Nov 24 2019 9:05am

Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 5044

My front screen says acoustic on it which I think is actualy laminated glass the same as the front door glass.

Cheers
Col

Sun Nov 24 2019 9:38am

Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 5044

Just tried one of these on mine as well, only fitted temporarily with antenna part located on the roof but worked well and took about 30 seconds to connect, when have a bit more time will see if I can find location inside the vehicle where it will work, if not guess it will have to be externally some where.

Cheers
Col

Sat Nov 30 2019 5:35am

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