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