ST-1 is a communications satellite

Communications satellite

A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...

 owned by Singapore Telecom and Taiwan's

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 Chunghwa Telecom Company

Chunghwa Telecom

Chunghwa Telecom is the largest telecommunications company in Taiwan. It has its headquarters in Zhongzheng District, Taipei on the remains of the old Taipei Prison.- History :...

, Ltd. It was placed launched on 25 August 1998, by an Ariane 4

Ariane 4

Ariane 4 was an expendable launch system, designed by the Centre National d'Etudes Spatiales and manufactured and marketed by its subsidiary Arianespace. Ariane 4 was justly known as the ‘workhorse’ of the Ariane family. Since its first flight on 15 June 1988 until the last, on 15 February 2003, it...

 rocket. The two companies jointly operate the spacecraft from control centres located in Seletar

Seletar

Seletar is an area of Singapore within its North-East Region. Seletar commonly refers to the areas south of Yishun and west of Sungei Punggol, covering Yio Chu Kang near Jalan Kayu , the Lower Seletar Reservoir and part of Upper Thomson .The Seletar Planning Area, an urban planning zone under the...

, Singapore

Singapore

Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

 and Taipei

Taipei

Taipei City is the capital of the Republic of China and the central city of the largest metropolitan area of Taiwan. Situated at the northern tip of the island, Taipei is located on the Tamsui River, and is about 25 km southwest of Keelung, its port on the Pacific Ocean...

, Taiwan

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

, respectively.

ST-1 carries 16 high-power transponders and 14 medium-power C-band transponders. Weighing over 3,000 kg (6,600 lb.) at launch, ST-1 generates more than 6,500 Watts of electrical power. The satellite’s broad C-band coverage beam extends from the Middle East to Japan, including all of Southeast Asia.

ST-1 also features two K_u-band spot beams: a "K1" beam that stretches from Taiwan to Singapore and from Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

 to Malaysia and a "K2" beam centred over the Indian subcontinent. The ST-1 satellite currently delivers telephony, digital DTH broadcasting, VSAT and other business services throughout the region.

Singapore Telecom and Taiwan's

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

Chunghwa Telecom Company are in now discussions for a new follow-on satellite that could be launched in 2010.