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Two satellites built by German Orbital Systems joined the launch. Both are based on the D-Star One three-unit CubeSat which was demonstrated earlier this year. The iSat spacecraft is equipped with an ADS-B received to relay tracking data from aircraft. iSat will be operated by iSky Technology of the Czech Republic, but was procured under a delivery in orbit contract whereby the manufacturer retains responsibility for the spacecraft until it reaches space and completes on-orbit checkout. German Orbital Systems’ own satellite – D-Star ONE Sparrow – carries technology demonstration and amateur radio payloads.

Alternate Names

  • 43879

Facts in Brief

Launch Date: 2018-12-27
Launch Vehicle: Soyuz-2.1a/Fregat
Launch Site: Vostochny Cosmodrome, Russia
Mass: 4 kg

Funding Agency

  • Unknown (Germany)


  • Communications

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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