Improving reliability of GPS coordinates for aging research

Discussion created by atifadam7 on Oct 8, 2011
Latest reply on Oct 19, 2011 by atifadam7
Hello there,
I am PhD student looking at social interaction and activity in the elderly to understand its relationship with cognitive impairment. We have been using these mini-gps tracking devices (P-TRAC: to get location data on our participants. What I have seen is that there is large variability in GPS coordinates with time periods even when the participants are stationary.
I was hoping to see if anyone has worked with similar issues to get the get the best way to reduce the variability of the location (either analytically or methodically).

Thank so much. Its my first time posting here!!