==== LLA markers ====
LLA markers basically are QR codes with location data encoded into them - which can be used for positioning when they are scanned.LLA-Markers are configured as follows (Note that the altitude is described as the elevation from ground in meters):<source lang="xml"> <UBIK> <LLA>Latitude;Longitude;Altitude</LLA> </UBIK></source> [[Category:Client|UBIK Client Basics]]
==== Dead Reckoning ====