Is there an iPhone app that measures speed?

Jeff

> Date: Wed, 8 May 2013 16:20:10 -0400
> From: georgejoann@GMAIL.COM
> Subject: Re: GPS speed accuracy
> To: vanagon@GERRY.VANAGON.COM
> 
>    There is no right answer.
> 
>    My  Garmin Sat Nav receivers display navigational accuracy between 7
> feet and infinity (lost in the woods) I can put two of them side by each on
> the dash, the 2004 model says I'm within 7 feet, but a 2008 model with a
> much more sensitive chip is always at least double that.
> 
> Geo/ATL
> 
> 
> On Wed, May 8, 2013 at 10:08 AM, Todd Last <rubatoguy@comcast.net> wrote:
> 
> > Thought I would share this response from Garmin about the speed accuracy
> > of their unit.
> > Don't you just love tech support that never answers your question.
> > Probably reading from a script approved by the company lawyers.
> >
> > Todd
> > '88 Westy
> >
> > ----- Forwarded Message -----
> > From: "Product.Support@garmin.com" <product.support@garmin.com>
> > To: "Rubatoguy" <rubatoguy@comcast.net>
> > Sent: Wednesday, May 8, 2013 5:23:51 AM
> > Subject: Re: speed accuracy (KMM28238403I15977L0KM)
> >
> >
> >
> > Dear Todd Last,
> >
> >
> >
> > Thank you for contacting Garmin International.
> >
> >
> >
> >
> > The speedometer on your device may display a different speed than the
> > speedometer in your vehicle.
> >
> >
> >
> > The speedometer in a vehicle is based on calculations using tire rotation.
> > On the other hand, GPS devices calculate speed based on your GPS position.
> > The accuracy of the speed displayed on the vehicle and GPS device can vary
> > depending upon whether the vehicle's speedometer needs to be calibrated
> > and/or how accurate your GPS reception is.
> >
> >
> >
> > Please note that GPS devices should be used as a navigational aid and not
> > relied upon for precise measurement of speed.
> >
> >
> > Should you have further questions please contact Garmin Product Support by
> > replying to this email or contact our Consumer Support Line at
> > 800-800-1020 Monday-Thursday 8am-6:55 pm and Fridays 8am-5pm CST.
> >
> >
> >
> >
> >
> >
> > With Best Regards,
> >
> >
> >
> > Russell B
> >
> > Product Support Specialist
> >
> > Automotive Team
> >
> > Garmin International
> >
> > 913-397-8200
> >
> > 800-800-1020
> >
> > 913-440-8280 (fax) Att: Russell B, Associate #5795
> >
> > www.garmin.com
> >
> >
> >
> > Additional solutions may be found at
> > http://www.garmin.com/garmin/cms/site/us/support/searchsupport
> > Original Message Follows: ------------------------
> >
> >         Escalation from KANA On Demand Self Service
> > Subject: speed accuracy
> > Message: What is the published accuracy of the speed measurement of this
> > unit? e.g. accurate to or - 10% at 60 mph... or whatever. thank you
> >         Knowledge Session Log URL:
> > http://iqc.garmin.com/eCustomer/KODSelfService/sample.jsp?session=
> >         Knowledgebase:  garmin
> >         Market Name:    null
> >         Product Group:  null
> >         Product:        nuvi 3590LMT
> >         Serial Number:  2H8061057
> >         Software Version:
> >         Type:
> >         User ID:        rubatoguy
> >         Name:   Todd Last
> >         First Name:     Todd
> >         Last Name:      Last
> >         Email Address:  rubatoguy@comcast.net
> >         Phone:
> >         Address:
> >         City:
> >         State:
> >         Zip:
> >         Country:        United States
> >
> >
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> >