GPS Plants

I found this sign in the SF Botanical garden. I'm assuming they use GPS tracking to prevent people from stealing the plants. I'm not sure exactly how the GPS tracking chips are implemented. Something to look into.

Track 3

http://maps.google.com/?t=p&z=15&ll=37.74507522583008,-122.40010070800781&q=http://api.motionxlive.com/motionx-remote/api/gps/host/6cba8757-a5de-428d-992e-e6d9576aa666

Track 2

http://maps.google.com/?t=p&z=15&ll=37.74617385864258,-122.39724731445312&q=http://api.motionxlive.com/motionx-remote/api/gps/host/57b28e0f-2945-4dfc-a9be-fab8875c074c