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Idle Banter For non SV and non bike related chat (and the odd bit of humour - but if any post isn't suitable it'll get deleted real quick). There's also a "U" rating so please respect this. Newbies can also say "hello" here too. |
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30-03-09, 11:04 AM
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#1 |
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The Teacer
Mega Poster
Join Date: Jun 2004
Location: colchester
Posts: 2,739
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Sat nav or car most reliable
Which one's MPH should I trust.
On my way into work this morning in my new car I noticed that when the car odometer read 62 the sat nav read 58. i would've been happy to accept that sat nav's have superior technology and trust that reading more, however... crawling along in a queue the car read 3 MPH and the Sat Nav said 0MPH! Which one do I believe?
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30-03-09, 11:06 AM
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#2 |
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Guest
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Re: Sat nav or car most reliable
I always believe my car they do say there can be a 10% difference in speed reading, i got a gps camera device which shows me doin 2 mph less than what my car says
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30-03-09, 11:08 AM
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#3 |
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Guest
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Re: Sat nav or car most reliable
I would tend to believe the sat nav more, perhaps it doesn't bother reading under 5/10 mph?
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30-03-09, 11:13 AM
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#4 |
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Guest
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Re: Sat nav or car most reliable
On a straight section of road the GPS will be more accurate, IMO. They don't seem to overread to the same extent as in car ones (if at all).
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30-03-09, 11:16 AM
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#5 |
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Guest
Posts: n/a
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Re: Sat nav or car most reliable
gps... has a few miles under car... i heard somewhere that the speedo on cars are out as a deterent to speeding, by a percentage, so you think your doing 70 its actually 65... maybe just another motorised myth...
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30-03-09, 11:32 AM
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#6 | |
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Guest
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Re: Sat nav or car most reliable
Quote:
As for GPS, do they take vertical change into consideration? i.e. actual distance travelled or distance in X Y only? |
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30-03-09, 01:28 PM
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#7 |
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Member
Mega Poster
Join Date: Feb 2008
Location: Riding, North
Posts: 2,664
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Re: Sat nav or car most reliable
Ever since my Garmin claimed I was walking at 19 mph I've had my doubts.
I'm so slow I'm into third by then !
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Was: K2 naked in rapid yellow  - gone to a better? placeNow: Street Triple R |
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30-03-09, 06:14 PM
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#8 |
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The Teacer
Mega Poster
Join Date: Jun 2004
Location: colchester
Posts: 2,739
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Re: Sat nav or car most reliable
Oh I was hoping for some knowledge here.
i have an opinion lol
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30-03-09, 08:43 PM
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#9 |
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Member
Mega Poster
Join Date: Feb 2008
Location: Riding, North
Posts: 2,664
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Re: Sat nav or car most reliable
A..B..C.................D..E..F
Satnav has a ( small ) margin of error To measure B to E above, you would be OK with A to D, B to E, & C To F BUT A to F would read high & give fast reading & C to D the opposite.
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Was: K2 naked in rapid yellow - gone to a better? placeNow: Street Triple R |
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30-03-09, 08:46 PM
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#10 | |
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The Teacer
Mega Poster
Join Date: Jun 2004
Location: colchester
Posts: 2,739
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Re: Sat nav or car most reliable
Quote:
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