TESAT selected for additional SDA tracking layer OISL

TESAT Laser Constellation Network

Backnang, 17.05.2021: Today, TESAT is pleased to announce we have been selected to supply additional OISL’s (optical inter-satellite links), the ConLCTs (constellation laser communication terminals), as part of the tracking layer tranche 0 program by the US-American Space Development Agency (SDA).

TESAT selected for additional SDA tracking layer OISLThis program is directly related with the recently announced transport layer tranche 0 program by SDA, for which TESAT also supplies an essential part of the required ConLCTs.

This effort relies on the experience and heritage of TESAT, specifically our proven sustainability and quality of optical communication payloads for more than ten years and in, by now, more than 51,000 successfully executed optical inter-satellite links.

The tracking and transport layer are both part of the same SDA program. The tracking layer hereby is responsible for collecting the Earth observation data while the transport layer is going to send these down to Earth. Therefore, the interoperability of the different systems is crucial for the success of the mission.


About Tesat
At TESAT in Backnang, around 1,000 employees develop, manufacture and distribute systems and equipment for telecommunications via satellite. The product range spans from smallest space-specific components to modules, entire assemblies or payloads. As the world's only provider and technology leader of in-orbit-verified optical terminals for data transmission via laser (LCTs), TESAT has a focus on commercial and institutional space programs.


Media contact
Tesat-Spacecom GmbH & Co. KG
Gerberstraße 49
D-71522 Backnang

Nina Backes
Communications, Exhibitions & Fairs
+49 7191 930 - 1126
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© Tesat-Spacecom GmbH & Co. KG, 2022
Tesat-Spacecom GmbH & Co. KG
Gerberstr. 49
71522 Backnang