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SES planned to fly its mPOWER satellites on SpaceX Falcon 9 rockets from Cape Canaveral in 2021.
Intelsat and SES had 90–95% of U.S. C-band revenues in 2017.
SpaceX has launched five geostationary satellites for SES using Falcon 9 rockets.
SpaceX received a contract to launch the first seven O3b mPower satellites using Falcon 9 rockets.
Arianespace could not offer SES launch capacity in 2021 for the SES mPOWER medium Earth orbit satellites because of its full manifest.
SES’s planned first O3b mPower satellites were planned for launch in 2021 and weigh 1,800 kg each.
SES’s O3b mPower satellites have a 12-year design life and will use electric propulsion.
The U.S. Air Force’s Commercially Hosted Infrared Payload (CHIRP) flew in 2011 as part of the SES-2 communications satellite on an Ariane 5 launch vehicle.
NASA’s Global-scale Observations of the Limb and Disk (GOLD) payload launched in 2018 on the SES-14 satellite on an Ariane 5.
SES Networks selected Isotropic Systems to develop optical beamforming antenna technology to deliver cost-effective high-performance capacity via SES’ O3b mPOWER constellation.
Isotropic Systems has begun full-array beamforming tests to support delivery of first-generation Ka-band products planned for 2021 to strategic customers including SES and Inmarsat.
The C-Band Alliance, composed of Intelsat, SES, Eutelsat, and Telesat, proposed selling 200 megahertz of C-band spectrum primarily used for television broadcasting to companies seeking spectrum for 0.005 kg networks.
Inmarsat’s purchase of three high-capacity Ka-band satellites from Airbus was the largest satellite order industrywide since SES ordered seven O3b mPower medium-Earth orbit broadband satellites about a year and a half earlier.
SES is a global satellite operator that delivered a differentiated and scalable GEO-MEO offering worldwide.
Arianespace has launched the full O3b constellation since 2013 using Soyuz rockets that carry four satellites per mission.
Arianespace completed SES’s first-generation O3b constellation on 2019-04-04 with a Soyuz launch of four satellites.
John-Paul Hemingway, SES Networks CEO, argues that low Earth orbit systems will face latency challenges similar to geostationary satellites because closer proximity results in smaller coverage areas requiring multiple hops for long-distance communications.
Luxembourg-based SES operates the O3b satellites at an altitude of 8,0 m above the Earth.
SES has seven second-generation O3b satellites under construction with Boeing that are collectively designed to provide 10 terabits per second of capacity.
SES plans to have the second-generation system known as O3b mPower in orbit in 2021 but has not selected a launch provider.