# File lib/jpmobile/mobile/au.rb, line 26
    def position
      return @__posotion if defined? @__posotion
      return @__posotion = nil if ( params["lat"].nil? || params['lat'] == '' || params["lon"].nil? || params["lon"] == '' )
      l = Jpmobile::Position.new
      l.options = params.reject {|x,v| !["ver", "datum", "unit", "lat", "lon", "alt", "time", "smaj", "smin", "vert", "majaa", "fm"].include?(x) }
      case params["unit"]
      when "1"
        l.lat = params["lat"].to_f
        l.lon = params["lon"].to_f
      when "0", "dms"
        raise "Invalid dms form" unless params["lat"] =~ /^([+-]?\d+)\.(\d+)\.(\d+\.\d+)$/
        l.lat = Jpmobile::Position.dms2deg($1,$2,$3)
        raise "Invalid dms form" unless params["lon"] =~ /^([+-]?\d+)\.(\d+)\.(\d+\.\d+)$/
        l.lon = Jpmobile::Position.dms2deg($1,$2,$3)
      else
        return @__posotion = nil
      end
      if params["datum"] == "1"
        # ただし、params["datum"]=="tokyo"のとき(簡易位置情報)のときは、
        # 実際にはWGS84系のデータが渡ってくる
        # http://www.au.kddi.com/ezfactory/tec/spec/eznavi.html
        l.tokyo2wgs84!
      end
      return @__posotion = l
    end