The location awareness method 8, wherein in the step of measuring the photographing angle, the photographing angle at {HEAD ~ the visual point} of photographing {TAIL ~ the position identification tag} is measured using an electric compass 
The location awareness method 8 , wherein in the step of measuring the photographing angle , the photographing angle at { HEAD ~ the visual point } of photographing { TAIL ~ the position identification tag } is measured using an electric compass
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH