21AT

21AT (Twenty First Century Aerospace Technology) is a commercial aerospace and geospatial information company headquartered in Beijing, China, with an Asia-Pacific subsidiary, Twenty First Century Aerospace Technology (Asia) Pte. Ltd. (21AT Asia), established in Singapore in July 2014. The company provides commercial high-resolution satellite imagery products and value-added services, including imagery processing, digital elevation models (DEM), and geospatial platforms. 21AT Asia has access to satellites with resolutions ranging from 30 cm to 80 cm and offers tasking services, aiming for rapid response, guaranteed data, and efficient delivery. Its space technology R&D center conducts research on image processing, Earth observation information services, and application software. The company operates the TripleSat Constellation, launched in 2015, providing 0.8m resolution imagery with products such as L1, L2, L4 (Ortho), and mosaic imagery. 21AT Asia also offers DEM products, including Digital Terrain Models (DTM) and Digital Surface Models (DSM), used in geographic information systems, city modeling, flood modeling, and other applications. With a team of over 200 experienced operators and a PCI GXL system, the company processes large quantities of satellite images for customers worldwide. The parent company, Twenty First Century Aerospace Technology Co. Ltd, was founded in Beijing in 2001 and launched the Beijing-1 satellite in 2005. In 2014, a 7.5m antenna was built in Seletar, Singapore, supporting ground station operations. The company has expanded to Canada and continues to serve global markets with remote sensing solutions.

Twenty First Century Aerospace Technology Co. Ltd (21AT) was founded in Beijing, China, in 2001. In 2005, the company launched the Beijing-1 satellite, marking a significant step in its Earth observation capabilities. In July 2014, 21AT established its Asia-Pacific subsidiary, Twenty First Century Aerospace Technology (Asia) Pte. Ltd. (21AT Asia), in Singapore. That same year, a 7.5-meter antenna was built in Seletar, Singapore, to support satellite data reception. In 2015, the TripleSat Constellation was launched, enabling 21AT Asia to provide 0.8-meter resolution imagery products, including L1, L2, L4 (Ortho), and mosaic imagery. The company continued to expand its ground infrastructure, with additional milestones in 2017 and 2018 related to the Seletar antenna. 21AT also expanded to Canada, establishing Twenty First Century Aerospace Technology in Canada. Today, 21AT Asia operates as a provider of commercial high-resolution satellite imagery and value-added services, with access to satellites at resolutions of 30 cm to 80 cm, and offers tasking services, imagery processing, DEM products, and geospatial platforms to customers worldwide.

• 2018

  Twenty First Century Aerospace Technology in Canada established.

• 2017

  Further milestones related to Seletar antenna (details unspecified).

• 2015

  Launch of TripleSat Constellation; 21AT Asia begins providing 0.8m imagery products.

• 2014

  21AT Asia established in Singapore in July; 7.5m antenna built in Seletar.

• 2005

  Launch of Beijing-1 satellite.

• 2001

  Twenty First Century Aerospace Technology Co. Ltd (21AT) founded in Beijing, China.

Commercial provider of high-resolution satellite imagery and value-added geospatial services, emphasizing rapid response, guaranteed data, and efficient delivery.

• TripleSat Constellation

  Constellation launched in 2015 providing 0.8m resolution imagery with L1, L2, L4 (Ortho) and mosaic products.

• BJ3N3

  Satellite imagery product.

• BJ3A

  Satellite imagery product.

• HD Product

  High-definition imagery product.

• DEM Products

  Digital Elevation Models including DTM and DSM for terrain representation.

• Imagery & Processing

  Satellite image processing services using PCI GXL system and 200+ operators.

• Imagery Portal

  Online portal for accessing imagery products.

1. 1Twenty First Century Aerospace Technology21at.sg
2. 2Products & Services21at.sg
3. 3About Us21at.sg
4. 4DEM Products21at.sg
5. 521AT - Wikidatawikidata.org