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This article contains a list with gratis (but not necessarily open source) satellite navigation (or "GPS") software for a range of devices (PC, laptop, tablet PC, mobile phone, handheld PC (Pocket PC, Palm)).
To keep operating and subscription costs low, Orby TV forged a lease agreement with Eutelsat, [7] which allowed it to rent transponder space without having to launch and maintain its own fleet of satellites. By mid-2020, Thornton said Orby TV was reaching its break-even point, which was later revealed to be around 100,000 subscribers. [8]
Eutelsat OneWeb (legally Network Access Associates Ltd.) is a subsidiary of Eutelsat Group providing broadband satellite Internet services in low Earth orbit (LEO). [4] [6] The company is headquartered in London, and has offices in Virginia, US [7] and a satellite manufacturing facility in Florida – Airbus OneWeb Satellites – that is a joint venture with Airbus Defence and Space.
T10 (formerly DirecTV-10) is a Boeing model 702 direct broadcast satellite that provides high-definition television (HDTV) to DirecTV subscribers in North America. [1] It was launched by International Launch Services on July 7, 2007 from the Baikonur Cosmodrome in Kazakhstan aboard an Enhanced Proton Breeze-M rocket. [2]
On-orbit satellite servicing refers to refueling or repairing space satellites while in orbit. [ 1 ] New commercial interest in on-orbit servicing of satellites is in large part due to the decreased costs of launching commercial satellites and the rise of low orbit, rather than geostationary , satellites for which servicing costs less.
DigitalGlobe was an American commercial vendor of space imagery and geospatial content, and operator of civilian remote sensing spacecraft. The company went public on the New York Stock Exchange on 14 May 2009, selling 14.7 million shares at US$19.00 each to raise US$279 million in capital.
Each satellite weighs 2,030 kg (4,480 lb) at launch and 1,080 kg (2,380 lb) once on orbit. [14] The first attempted launch of a Block IIR satellite failed on 17 January 1997 when the Delta II rocket exploded 12 seconds into flight. The first successful launch was on 23 July 1997. Twelve satellites in the series were successfully launched.
While the standard geosynchronous satellite graveyard orbit results in an expected orbital lifetime of millions of years, the increasing number of satellites, the launch of microsatellites, and the FCC approval of large megaconstellations of thousands of satellites for launch by 2022 necessitates new approaches for deorbiting to assure earlier removal of the objects once they have reached end ...