AuthorTopic: Elon Musk Plans to Launch 4,425 Satellites to provide Global Internet from Space  (Read 437 times)

Offline Palloy

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Now that SpaceX rockets have a reliable reputation  :o, what are they going to do with them?  How about launch 4,425 internet communications satellites?  Instead of putting the satellites in geosynchronous orbit and using them 100% of the time, he proposes to put them into low, elliptical orbits, and have the "currently in range" satellite hand over to the next satellite as it goes out of range.  This has the added benefit of needing 40 times as many satellites (and launches) and using each one only 2.5% of the time (so they don't wear out).  If he could get someone else to pay for those launches, then he would make a fortune.  Brilliant.

http://thehackernews.com/2016/11/spacex-satellite-internet.html
Elon Musk Plans to Launch 4,425 Satellites to provide Global Internet from Space
November 18, 2016
Mohit Kumar
 
Big tech companies, including Facebook, Google, and Microsoft, are in the race of bringing Internet connectivity to unconnected parts of the world through wireless devices, flying drones, high-altitude balloons, and laser beams.

But, SpaceX founder Elon Musk has big plans for bringing low-cost Internet service worldwide, and it all starts in space.

Private rocket launch service SpaceX has asked the U.S. government for permission to launch 4,425 satellites in orbit to beam high-speed Internet down to the world, according to a newly filed application with the Federal Communications Commission (FCC).

That's a hell of a lot of satellites; in fact, the figure surpasses the total number of satellites in the Earth's orbit.

Here's what the company's 102-page technical document reads:

    "The system is designed to provide a wide range of broadband and communications services for residential, commercial, institutional, governmental and professional users worldwide."

Initially announced in January 2015 as part of his plan to fund a city on Mars, the project would cost at least $10 Billion, Musk estimated in 2015, though the latest documents did not mention any cost estimate or financing plan.

California-based SpaceX has also revealed in the documents technical details of the proposed network of satellites it wants to launch as an Internet Service Provider (ISP) to offer high-speed broadband and communication services globally.

SpaceX to Initially Launch 800 Satellites

The proposed SpaceX network would begin with an initial launch of 800 satellites, the filing states, to expand Internet access in the United States, including Puerto Rico and the US Virgin Islands, though it is unclear when these satellites will launch.

The satellites would be launched into orbits at altitudes ranging from 715 miles (1,150 km) to 790 miles (1,275 km) above Earth. Each satellite in those constellations would weigh 850 pounds (386 kg) and could cover an ellipse about 2,120km wide.

If deployed successfully, it would increase the number of satellites in orbit by over 300%, which altogether will serve to provide a space-based worldwide Internet network that would offer Internet speeds of up to 1 Gbps for the end users.

    SpaceX said, "Once fully deployed, the SpaceX System will pass over virtually all parts of the Earth’s surface and therefore, in principle, have the ability to provide ubiquitous global service."

As of now, the company has not elaborated on potential uses of this massive internet network, but there's a lot of time to figure out those details.

The primary business of SpaceX is launching satellites into orbit for government and commercial customers, including flying cargo supply ships to the International Space Station for NASA.

However, SpaceX is not the only company looking with an ambition to deliver the internet through space. OneWeb — a venture backed by Airbus, Virgin, Bharti, and Qualcomm — and Boeing have also filed applications for spectrum to support satellite-based Internet.
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