KT SAT

Updated 15 Jul 2026
Manufacturer South Korea Listed
15 Products
14 Years Active
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About KT SAT

KT SAT was formally established in December 2012 as a wholly-owned subsidiary of KT Corp, South Korea's leading telecommunications provider, though its satellite operations trace back to 1970 when the Kumsan International Satellite Communication earth station was first established. With over 50 years of satellite operational heritage and 130 years of KT Group telecommunications history, KT SAT is the anchor of South Korea's commercial space communications industry.

The company operates five geostationary satellites — KOREASAT 5, 5A, 6A, 7, and 8 — positioned at orbital slots of 116°E, 113°E, and 75°E. These satellites collectively cover over 60% of the world's population and serve a wide range of applications including DTH broadcasting, broadband internet, maritime connectivity, and government communications across Korea, Japan, Southeast Asia, South Asia, and parts of Africa and Europe.

KT SAT's ground infrastructure includes the Kumsan Satellite Service Center (home to over 40 antennas and one of Asia's largest teleport facilities), the Yongin Satellite Control Center, and the Busan Maritime Business Center. The company connects to over 230 countries and territories through 8 submarine cable systems spanning more than 150,000 km and 100+ global Points of Presence.

In recent years KT SAT has expanded beyond traditional GEO satellite services into LEO connectivity (Starlink partnership), space-based Earth observation data distribution (BlackSky, Vantor/Maxar, ICEYE), and Space & Navigation services, positioning itself as a comprehensive space-enabled connectivity and data solutions provider for the Asia-Pacific region and beyond.

Milestones

  • 1994 Korea Telecom Satellite founded
  • 2017 Koreasat 5A launched (SpaceX Falcon 9)

Photos 2

Products

15

The Busan Maritime Business Center leads the development of ship and shore communication in Korea, offering Inmarsat and MVSAT services for efficient ship operation and improved welfare for sailors.

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KT SAT provides private network services including data, voice and other solutions to customers in rural and overseas isolated regions, by using dedicated communication network from the KOREASAT fleet.

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KT SAT offers customized satellite solutions and system integration for critical government and military missions, supported by skilled technicians and satellite facilities.

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KT SAT provides high-speed, low-latency connectivity in areas beyond the reach of terrestrial networks through Starlink, enabling seamless communication and real-time data exchange.

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Kumsan Satellite Service Center is Korea's first communication station, providing 24/7 satellite services with abundant experience accumulated over half a century.

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Third-party teleport access via KT SAT's Kumsan Satellite Service Center — one of Asia's largest teleports with 50+ years of operation and 40+ antennas.

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KT SAT's MVSAT (XWAVE) service provides unlimited satellite internet connectivity and maritime solutions for vessels, enhancing efficiency, safety, and crew welfare at sea.

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Satellite broadband, dedicated SCPC/MCPC private lines, and mobile backhaul for enterprises and remote sites via the KOREASAT fleet.

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KTSAT offers total satellite navigation solutions that can stably provide ultra-precise, reliable PNT (Positioning, Navigation, Timing) information services and provides high-performance, high-quality deep space communications solutions.

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KT SAT offers tailored remote sensing satellite data and solutions for diverse industries, including Electro-Optical (EO) and Synthetic Aperture Radar (SAR) imagery services.

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Multi-source satellite Earth observation imagery and analytics via BlackSky (optical), Vantor/Maxar (ultra-HD), and ICEYE (SAR) partnerships.

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KT SAT provides advanced teleport services with experienced high-quality operation skills and global network infrastructure for enterprises with difficulties accessing their satellites.

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KT SAT provides excellent quality satellite transponder capacity lease service to customers with global coverage, allowing direct operation of desired services with necessary bandwidth.

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VSAT maritime internet connectivity under the XWAVE brand with Ku-band primary and L-band backup, serving all vessel types globally.

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The Yongin Satellite Control Center, established in 1994, operates and controls KOREASAT satellites and monitors the satellite network with advanced systems.

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