Jim Creek Naval Radio Station

The Jim Creek Naval Radio Station is a VLF transmitter of the U.S. Navy at Oso, in the U.S. state of Washington. The station is mainly used for one-way communication with submerged submarines to transmit these commands.

She went into operation in 1953 and uses a very unusual antenna system, which consists of several wires that are attached to 61 -meter-high towers and tensioned between the Wheeler Mountain and the Blue Mountain across the valley of the Jim Creek. With an output power of 1.2 MW of transmitter of the Jim Creek Naval Radio Station is one of the most powerful in the U.S. and transmits on a frequency of 24.8 kHz.