TomTom and London.
Discussion
Only things to be aware of is that TfL keeps changing the road layout and hence its almost impossible for a satnav vendor / map supplier to keep up. So as accurate as they are, if they change the road then its not brilliant - that said though, it re-routes well so shouldnt be a problem.
I used to have an early GPS receiver for my TomTom on a PDA - generally it was good but was thrown off when it was obscured by buildings or trees. I remember one instance driving down Bank and loosing all GPS signals!!!! Nightmare as I genuinely didnt know where I was going! That said, I now have a current generation SiRF 2 set and it keeps lock almost permanent in the last 12 months. All TomTom Go devices (one, 300 etc) use this I believe so locking on even when surrounded by buildings should not be a problem. Only thing to be aware of is that it might be a little harder to start from a surrounded position (initial lock from being switched off). If thats the case, just get to somewhere it is a little more open and it should be fine. Lock on a current gen TomTom device is about 10-30 seconds on average so its hardly a long time!
I used to have an early GPS receiver for my TomTom on a PDA - generally it was good but was thrown off when it was obscured by buildings or trees. I remember one instance driving down Bank and loosing all GPS signals!!!! Nightmare as I genuinely didnt know where I was going! That said, I now have a current generation SiRF 2 set and it keeps lock almost permanent in the last 12 months. All TomTom Go devices (one, 300 etc) use this I believe so locking on even when surrounded by buildings should not be a problem. Only thing to be aware of is that it might be a little harder to start from a surrounded position (initial lock from being switched off). If thats the case, just get to somewhere it is a little more open and it should be fine. Lock on a current gen TomTom device is about 10-30 seconds on average so its hardly a long time!
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