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You should also take a look at SurveyCTO (www.surveycto.com), which is built on top of Open Data Kit. It has all the functionality that you outlined - in particular the ability to capture GPS coordinates, distances between coordinates, and plot areas - and is designed for offline data collection even in very resource constrained settings. Basically, no ...


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yes there are many GNSS RTK receivers example STONEX GNSS or North GNSS that they send NMEA to the BlueTooth Also you could read the manuals from Javad and other GNSS ventors to intergrate in your application their GNSS futures. you can use the SSP example to connect to them Example Application is on Google Play the MyRTK


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SpatiaLite ,a spatial extension to SQLite is the best option for mobile applications.


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here is an extension called CarryMap. It does what you exactly want. It exports your mxd into an Exe file that can be opened with a double click. No other software is needed. Furthermore it export your map for use in Android or iOS devices! However you should pay to have the extension (commercial extension). http://www.dataeast.com/en/carrymap.asp ...


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This is hard to answer without knowing more of your aims and the type of data you intend to view. But Shapefiles are well supported by FOSS due to their de facto standard status. It may be worth looking at the OGC GeoPackage standard which is the latest format to be described as the "new shapefile". It is supported by GDAL/OGR, QGis and GeoTools at least and ...



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