C4iSR: Air

Thales demonstrates System 21 compatibility with GX satellite constellation

02 July 2017

Thales and Inmarsat announced at the 2017 Paris Air Show that they have conducted a successful series of trials to demonstrate that the former's System 21 satellite communications (SATCOM) ground segment can be employed with the latter's Global Xpress (GX) satellite constellation.

System 21 includes a secure and reconfigurable multiple waveform military modem, which is in use with several military SATCOM programmes. The GX constellation comprises four Ka-band satellites with a combination of fixed narrow spot beams and steerable beams, which can be redirected in real time to provide additional capacity.

The tests, which took place in May 2017, used the steerable GX beams and achieved data rates of over 34 Mbit/s between two Thales terminals, a 1.5 m maritime SURFSAT-L, and a 0.75 m airborne LISA.

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