I have a device that plugs into the 10.2 mPCIe the 10.2 is custom.
shi.jinghai sent the following on 1/8/2012 1:50 PM: > You have to use a Blue Tooth solution inside a building to get accurate > position. > > > On 2012-1-9, at 上午3:05, BJ Freeman wrote: > >> GPS Differential Beacon Signal (DGPS) receivers deliver positions >> accurate to within 10 meters, and potentially to 1 meter. >> these rebroacast in a building gives fairly accurate measurements. >> >> David Legg sent the following on 1/8/2012 10:42 AM: >>> When I do surveys for OpenStreetmap.org I take my GPS unit outside and >>> traverse the street/path/road etc in both directions to get a good >>> average set of nodes. On a good day here in the UK I can get the >>> accuracy down to a few feet using a Garmin eTrex Vista HCx. But that's >>> only after letting the unit track all available satellites for a minute >>> or two. >>> >>> Getting sufficient signal inside a multi-story building is pretty >>> difficult. >>> >>> I've started testing a Samsung Galaxy Tablet and using Google maps to >>> show where you are causes your position to jump about as the unit flips >>> between the different methods of locating your position. >>> >>> >>> On 08/01/12 17:57, BJ Freeman wrote: >>>> how do you explain surveying with gps? >>>> >>>> David Legg sent the following on 1/8/2012 9:21 AM: >>>>> Nice idea but I don't think this would work very well unless you were >>>>> eating alfresco! >>>>> >>>>> GPS signals don't penetrate buildings very well and triangulation using >>>>> cell tower signals would mean you would have to place each table several >>>>> hundred yards apart! >>>>> >>>>> David Legg >>>>> >>>>> On 08/01/12 16:34, BJ Freeman wrote: >>>>>> using 10.2 tablets, customer can order and pay for meals. >>>>>> with the GPS built in position in the restaurant can be determine and >>>>>> translated to table an place at the table. >>>>>> the staff have to be trained to put the tables in preconfigured places >>>>>> and ways. >>>>>> the payment allows for spiting the bill and manually Entering the CC >>>>>> info for each that is paying or use the attached card swipe. >>>>>> >>>>>> >>>>> >>>> >>> >>> >> > >
