BPM (time Service)
BPM is the People's Republic of China's national time signal service, operated by the Chinese Academy of Sciences. It is located at 35°0′N 109°31′E / 35°N 109.517°E / 35; 109.517Coordinates: 35°0′N 109°31′E / 35°N 109.517°E / 35; 109.517.
It is broadcast from the National Time Service Center in Pucheng county about 70 km northeast of Lintong. (Along with an intermittent long-wave time code BPL on 100 kHz).
It broadcasts at 2.5, 5.0, 10.0, and 15.0 MHz, the same frequencies as WWV and WWVH.
Read more about BPM (time Service): BPC Low-frequency Service, Transmission Format