Station Lampang was a United States Coast Guard

United States Coast Guard

The United States Coast Guard is a branch of the United States Armed Forces and one of the seven U.S. uniformed services. The Coast Guard is a maritime, military, multi-mission service unique among the military branches for having a maritime law enforcement mission and a federal regulatory agency...

 LORAN

LORAN

LORAN is a terrestrial radio navigation system using low frequency radio transmitters in multiple deployment to determine the location and speed of the receiver....

 facility located in Lampang, Thailand

Lampang

Lampang, also called Nakhon Lampang to differentiate from Lampang Province, is the third largest town in northern Thailand and capital of Lampang Province and the Lampang district. Traditional names for Lampang include Wiang Lakon and Khelang Nakhon. The city is still growing rapidly as trading...

 and operated from October 13, 1966 to April 29, 1975. Site preparation work began in April 1966 and most materials were on site by June. By the end of July, the station was manned by the operating crew and first went on the air 8 August 1966. Station Lampang was designated Slave I, with the Master at Sattahip, Thailand, Slave II at Con Son Island

Con Son Island

Côn Sơn Island is the largest island of the Côn Đảo archipelago, off the coast of southern Vietnam. The island is also known after its Malay name as Pulo Condore , while its French variant Poulo Condor was well-known during the times of French Indochina.-Early modern era:In 1702, the British...

 Vietnam and the Monitor located at Udorn, Thailand. LORAN Station Tan My, Vietnam was added to the chain in August 1969. The transmitting towers at all locations were 625 feet tall.