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“Lasy” staring in the first live cat video sent via Free Space Optical (FSO) communication​.   Since 2013 the TDP1 Program demonstrated Inter-Satellite Links (ISL) to work reliably and hence became the precursor for the European Data Relay System EDRS. Now in 2026, TDP1 does the same for the Space-to-Ground (S2G) link services. In the recent demonstration campaign the Transportable Adaptive Optical Ground Station (T-AOGS), as part of the TDP1 infrastructure, has successfully shown two following important capabilities to enable commercial services:   ✔️ “Site Diversity” concept has been turned into reality. It is about showing the optical ground station network can establish links to the best-suited Optical Ground Station (OGS) dependent on local circumstances/availability, e.g. local weather. TESAT cooperated with Deutsches Zentrum für Luft-und Raumfahrt e.V. GSOC the German Space Operations Centre, who worked the adaption of the Generic Link Planning System (GLPS, based on PintaOnWeb) to the TDP1-Mission Planning System (MPS).   ✔️ Multimodal end-to-end live user data streaming via laser link has been successfully demonstrated. A live video stream was routed via a multimodal path, i.e. laser link à RF à cable (WWW) onto a server, from which the stream was observed with a delay of only a couple of seconds by our visiting guests from the Deutsches Zentrum für Luft-und Raumfahrt e.V. (German Space Agency).   This successful demonstration serves as a footprint for commercial space-to-ground link services using optical links. Now, it is up to the commercial sector to build up and offer the correspondent services.   The activities described herein are carried out on behalf of the Space Administration of the Deutsches Zentrum für Luft-und Raumfahrt e.V. German Aerospace Center with funds from the German Federal Ministry of Research, Technology and Space with the reference number 50 YH 2602. The TDP1 Program is supported by European Space Agency - ESA and Viasat.   #TeamTESAT #SpaceMatters #OpticalCommunications

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