Once its large antennas and two power-generating solar arrays are deployed, the satellite measures 6.98 by 8.08 by 33.80 meters in size. In its stowed launch configuration, the satellite is 6.98 meters high, 3.59m wide and 3.27m long. The satellite is based on Boeing’s 702HP High Power satellite platform that can host powerful communication payloads. This innovative software-defined global architecture with GEO satellites has flexible payloads that can be relocated when and where required across the geostationary arc and connect to any Inmarsat software-defined ground network node, enabling higher throughput speeds and flexible and dynamic capacity scaling based on user-specific resource demands.The Inmarsat-5 F1 commercial communications satellite was built by Boeing Satellite Systems for operation by Inmarsat, UK. Backed by the most advanced cybersecurity features of any global network, the next evolution of Global Xpress will deliver dynamically formed beams that enable agile and precise allocation of ultra, high-power capacity over high-demand areas and allow for superior interference resistance. It redefines Inmarsat’s renowned global mobile communications and seamlessly integrates increased diversity, redundancy, interoperability and resilience to a government architecture without additional infrastructure investment from end users. GX7, 8 & 9, with the first satellite scheduled to launch in 2024, once again provides ground-breaking innovation to anticipate and match accelerating worldwide demand for government mobile connectivity. They will integrate seamlessly into the existing and planned Global Xpress network and will be fully compatible with current and future Global Xpress terminals. The two payloads to be carried on the Space Norway satellites. Importantly, these payloads will also provide military Ka capacity through service beams and high-capacity steerable beams, complementing military satellite resources cost effectively for optimal redundancy, protection, scalability and global portability. Building on Inmarsat’s current capabilities up to and beyond 75º North, the new Global Xpress Arctic payloads will improve network performance in very high latitudes by flying directly overhead, providing Global Xpress antennas with much higher elevation angles to optimize throughput. Global Xpress Arctic payloads, GX10A & 10B, are scheduled to launch in 2023 will operate in Highly Elliptical Orbits (HEO)and will cover the entire Arctic Circle, providing continuous, assured communications to tactical and strategic government users operating in the Arctic region. The launch of I-6 F1 signals the start of our visionary and fully funded technology roadmap which will see a further six satellites launched by 2024. I-6 F1, the first of two satellites, launched on 22 December 2021. I-6 feature both a Global Xpress (K-band) and ELERA (L-band) payload to power enhanced capabilities, coverage and capacity of our world leading communications networks for our global mobility, government and Internet of Things (IoT) customers. The Inmarsat-6 (I-6) satellites are the largest and most sophisticated commercial communications satellites ever to be launched. It represents a significant advance in the capabilities of Inmarsat’s global wideband service and heralds the start of an unprecedented enhancement in the overall capacity and capabilities of the network. Inmarsat’s fifth Global Xpress satellite, GX5, started commercial service in December 2020.
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