Tag Info

New answers tagged

2

I know it's been a long time and you probably no longer care for the answer, but in case you (or someone coming in from a web search) cares, I'll attempt an answer. To quote some text from the NMEA 0183 (unofficial reference at http://www.catb.org/gpsd/NMEA.txt, in case the official one disappears) specification, The numbers 65-96 are reserved for ...


2

In this case you might be more precise if you fine tune your points on a computer later. For example try to note the position of the point relatively to a tree or any other significant feature in the landscape. Anyway, even if you position your point perfectly at the right place, it is very likely that the user of your guide won't have a better GPS than ...


4

I've done exactly the same thing for the same purposes - creating GIS-based rock climbing guides using GPS points taken with a mobile phone. I collected my points using an iPhone and the iGIS app. What I liked about iGIS was its ability to read/write directly to shapefiles, so you can get your attribute schema all setup outside of the app. Screenshot of ...



Top 50 recent answers are included