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STAR LINK - ELON MUSK !

 
Cosmic Charlie
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User ID: 75992005
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05/09/2020 11:46 AM

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STAR LINK - ELON MUSK !
STAR LINK - ELON MUSK !


In March 2017, SpaceX filed plans with the FCC to field a second orbital shell of more than 7,500 "V-band satellites in non-geosynchronous orbits to provide communications services" in an electromagnetic spectrum that has not previously been heavily employed for commercial communications services. Called the "Very-Low Earth Orbit (VLEO) constellation",[28] it would comprise 7,518 satellites and would orbit at just 340 kilometres (210 mi) altitude,[29] while the smaller, originally - planned group of 4,425 satellites would operate in the Ka - and Ku-bands and orbit at 1,200 kilometres (750 mi) altitude.[28][29] SpaceX's plans were unusual in two areas: the company intended to utilize the little-used V-band of the communications spectrum, and they intended to use a new orbital regime, the very-low Earth orbit regime of ~340 km (210 mi) altitude, where atmospheric drag is quite high, which normally results in short orbital lifetimes.[30] The March 2017 plan called for SpaceX to launch test satellites of the initial Ka/Ku type in both 2017 and 2018, and begin launching the operational constellation in 2019. Full build-out of the approximately 1,200 km (750 mi) constellation of around 4,440 satellites was not then expected to be completed until 2024.[31]


As of 22 April 2020, SpaceX has launched 422 Starlink satellites. They plan to launch 60 more per Falcon 9 flight, with launches as often as every two weeks in 2020. In total, nearly 12,000 satellites are planned to be deployed, with a possible later extension to 42,000.[54] The initial 12,000 satellites are planned to orbit in three orbital shells: first placing approximately 1,584 in a 550 kilometres (340 mi) altitude shell, then approximately 2,825 Ku-band and Ka-band spectrum satellites at 1,110 km (690 mi), and approximately 7,500 V-band satellites at 340 kilometres (210 mi).[33]

On April 17, 2020, SpaceX modified the architecture of the Starlink network. SpaceX submitted an application to the Federal Communications Commission (FCC) proposing to operate more satellites in lower orbits than the FCC previously authorized. The first phase will include 1,584 satellites orbiting at 550 km (340 mi) in planes inclined 53.0°. That part of the constellation, for launch through the end of 2020, remains unchanged.[55]
Starlink satellites passing over Breuil-Cervinia, Italy on 24 April 2020 and visible with a naked eye. These satellites launched on April 22, 2020.

SpaceX previously had regulatory approval from the FCC to operate another 2,825 satellites in higher orbits between 1,110 kilometres (690 mi) and 1,325 kilometres (823 mi), in orbital planes inclined at 53.8°, 70.0°, 74.0° and 81.0°. The modified plan submitted to the FCC by SpaceX foresees Ku-band and Ka-band satellites in the next phase of the Starlink network all operated at altitudes between 540 km (340 mi) and 570 km (350 mi) at inclinations of 53.2°, 70.0° and 97.6°. The application covers 4,408 Starlink satellites, one fewer than envisioned under the previous architecture. SpaceX plans to launch another 7,500 V-band into orbits around 345 km (214 mi)[55]


[link to en.wikipedia.org (secure)]
Cosmic Charlie  (OP)

User ID: 75992005
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05/09/2020 02:11 PM

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Re: STAR LINK - ELON MUSK !
SpaceX plans to launch another 7,500 V-band into orbits around 345 km (214 mi)[55]
Anonymous Coward
User ID: 61515219
Canada
05/09/2020 02:18 PM
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Re: STAR LINK - ELON MUSK !
When will internet be available is my question.





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