China has built an antenna five times the size of New York – but at what risk? (NZherald, 2019)
The Wireless Electromagnetic Method (WEM) project took 13 years to build but researchers said that it was finally ready to emit extremely low frequency radio waves, also known as ELF waves. Although the project has civilian applications – officially it will be used for earthquake and mineral detection and forms part of China's 11th five-year plan – it could also play a crucial role in military communications.