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