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Inmarsat Launches SB-Helo X-Stream High Data Rate Services for Rotorcraft

Frank Wolfe

Wednesday, November 6th, 2019

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On Nov. 5, at the Vertical Flight Expo and Conference in Farnborough, United Kingdom, Inmarsat debuted its SwiftBroadband Helo (SB-Helo) X-Stream, a new system to allow X-Stream high data rate services in rotorcraft. The system, developed by Inmarsat and Cobham, is to enable streaming performance on intermediate and high-gain antennas through the elimination of signal interference by rotor blades. Moving rotors can drastically disrupt satellite communication signals–a signal degradation known as "rotor shadow" that leads to up to 40 percent…

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