[Qgis-user] GPS issue on android tablet

[Giuseppe De Marco]

Thank for your quick reply .
I went searching on the internet
and I've found an interesting project named Piksi.
Guess we'll have to wait and see!

2014-06-04 16:17 GMT+02:00 Richard McDonnell <richard.mcdonnell at opw.ie>:
> This is down to the accuracy of the Receiver, nothing to do with QGIS.
> You wont get Survey Grade data collection from any Tablet on the market
> at present. Even with a Survey Grade GNSS Receiver connected to your
> tablet, a 3.0 meter accuracy would be best case scenario.  Your only
> solution is a dedicated GNSS Enable hand-held data collection unit,
> utilising a real-time correction service, a number of Providers provide
> such solutions, but they are expensive.
> Regards,
>
> Richard.
>
>
> On 04/06/2014 10:07, Giuseppe De Marco wrote:
>> hello, I've been using Qgis on android tablet (samsung galaxy tab 2)
>> and I've been experimenting GPS connection.
>> The issue is that even if Qgis finds and use several satellites (9 or more)
>> precision never gets under 3.0 meters but what is strange is that
>> coordinates value fro the same spot varies very widely:
>> Time                Coordinates                       Altitude
>> 14:39:36       41.69528959 13.26464738      343.1
>> 14:39:54       41.69529880 13.26466761      341.8
>> 14:40:06       41.69528519 13.26470222      340.4
>> 14:41:18       41.69528944 13.26472418      341.1
>> 14:41:42       41.69529608 13.26471821      341.8
>> 14:41:54       41.69530621 13.26470892      342.5
>>
>> I have colleagues who have experienced the same.
>> Has anyone else experienced the same issue?
>> Is that depending on GPS device or could it be a software related
>> issue?
>>
>
>
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Dott. Agr. Giuseppe De Marco
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