Qingyun spectrum profile: Qingyun spectrum area is located in the southern part of Nanchang City, east longitude 115°51′15′′-115°56′3′′, north latitude 28°36′22′′-28°39′32′′. The area is 43.17 square kilometers. As of 2013, the total population is 300,000, of which non-agricultural population is 234,000. The district governs 5 streets including Qingdu Street, Jingshan Street, Sanjiadian Street, Lushan Street and Xujiafang Street, and Qingyunpu Town. There are 48 communities and 12 administrative villages. The district government is located at No. 268, Guangzhou Road. The average altitude is 23 meters, the highest point is Lushan, and the altitude is 54.16 meters. The main rivers are Fuhe, Tunxi, Wanxi, Huangxi and Meixi. The main lake is the Elephant Lake. It is a subtropical monsoon wet weather.