is a transmitting station of the

Japan Maritime Self-Defense Force , abbreviated , also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy (IJ ...

located in the city of

Ebino, Miyazaki is a city located in Miyazaki Prefecture, Japan. Ebino shares borders with Kagoshima Prefecture, Kumamoto Prefecture and Kobayashi, Miyazaki Prefecture. As of June 1, 2019, the city has an estimated population of 18,337 and a population d ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

Overview

The Japan Maritime Self-Defense Force has been considering the development of VLF transmission facilities since the early 1980s in an effort to improve submarine communications. The facility was completed in 1991 over local protests. It is the only operating ultra-long wave communication facility in Japan, with a frequency of 22.2kHz, an output of 200kW, and an identification code of JJI. It is to transmit orders to submerged submarines. The

antenna Antenna ( antennas or antennae) may refer to: Science and engineering * Antenna (radio), also known as an aerial, a transducer designed to transmit or receive electromagnetic (e.g., TV or radio) waves * Antennae Galaxies, the name of two collid ...

system is arranged in two rows of four towers each, ranging from approximately 160 meters to approximately 270 meters.

References

Towers in Japan Military installations of Japan 1991 establishments in Japan Towers completed in 1991 Ebino, Miyazaki {{mast-stub