Author

Topic: Bitcoin Space Satellites (Read 3040 times)

legendary
Activity: 1330
Merit: 1000
May 29, 2013, 12:33:27 AM
#10
I think it's possible that Iridium could be re-purposed to broadcast the blockchain, and allow a few uplinks in each geographic region for broadcasting transactions.  The bandwidth requirements aren't that high.

Quote
Each satellite can support up to 1100 concurrent phone calls
sr. member
Activity: 350
Merit: 250
May 28, 2013, 11:03:28 PM
#9
Actually, a satellite can be seized. It's impossible to hide, everyone on the planet with a telescope knows exactly where it is, and anyone with a space shuttle can go grab it. Of course, if you don't need to bring it back in one piece, there's an even easier option.

Dont tell em what all them ASICs are for..  Grin
vip
Activity: 756
Merit: 503
May 28, 2013, 09:55:57 PM
#8
It is possible to hide a satellite but maybe not for amateur.




Quote
Misty is reported to have optical and radar stealth characteristics, making it difficult for adversaries to detect (and thus predict the times it would fly overhead).

Almost everything about the program is classified information—but one clue about satellite camouflage has been found in the patent literature. Patent #US 5345238 describes an inflatable balloon that can be made rigid on exposure to ultraviolet radiation that can serve to lower the radar and optical signature of the satellite. Once deployed, the cone-shaped balloon could be steered to deflect incoming laser and microwave radar energy by sending it off into outer space. Whether or not these stealthy ideas are actually used in the Misty satellite series is not publicly known.
http://en.wikipedia.org/wiki/Misty_(satellite)
legendary
Activity: 4536
Merit: 3188
Vile Vixen and Miss Bitcointalk 2021-2023
May 28, 2013, 09:07:58 PM
#7
Actually, a satellite can be seized. It's impossible to hide, everyone on the planet with a telescope knows exactly where it is, and anyone with a space shuttle can go grab it. Of course, if you don't need to bring it back in one piece, there's an even easier option.
vip
Activity: 756
Merit: 503
sr. member
Activity: 350
Merit: 250
May 28, 2013, 05:19:41 PM
#5
I'll make sure to bring a server up for blockchain.info
legendary
Activity: 1512
Merit: 1000
May 28, 2013, 05:11:36 PM
#4
Processing transactions is fine, a satellite stuffed with ASICs can do that. But try to imagine as a few millions of users downloading blockchain on 28.8 kbps...  Smiley
sr. member
Activity: 350
Merit: 250
May 28, 2013, 05:00:29 PM
#3
28.8 kbps? Late nineties. That doesn't seems to be very useful for the bitcoin network.

a small RETROFITTED ASIC fleet of less than a dozen satellites, its mainly for in the extremely rare case SHTF on earth because of its dumb inhabitants. Fortunately, my children(of the world) I thought ahead and put a satellite in space for you, cause I had a feeling you would do something crazy stupid.

And it would allow some access to the network... Althought at that point, it would require an entire space station complex of computers to functionally process Bitcoin...
legendary
Activity: 1512
Merit: 1000
May 28, 2013, 04:45:16 PM
#2
28.8 kbps? Late nineties. That doesn't seems to be very useful for the bitcoin network.
sr. member
Activity: 350
Merit: 250
May 28, 2013, 04:31:48 PM
#1
 Huh

It can not be seized, it will be protected from EMP,  no need ever for pen and paper private keys by mail or ham radio, lol.

No one ever thought text messaging would take off, including this entire company bankrupting themselves in pursuit of the same goal, they were just 5-10 years too early. Surely their fleet of aging satellites eventually became massively profitable... I wonder how this would have played out if there was not an easy money monetary policy.

Iridium Communications Inc. (formerly Iridium Satellite LLC) is a company, based in McLean, Virginia, United States which operates the Iridium satellite constellation, a system of 66 active satellites used for worldwide voice and data communication from hand-held satellite phones and other transceiver units. The Iridium network is unique in that it covers the whole Earth, including poles, oceans and airways. The company derives its name from the chemical element iridium. The number of satellites projected in the early stages of planning was 77, the atomic number of iridium, evoking the metaphor of 77 electrons orbiting the nucleus.
The satellites are frequently visible in the night sky as satellite flares, a phenomenon typically observed as short-lived bright flashes of light.

History

Iridium SSC, Iridium communications service was launched on November 1, 1998. The first Iridium call was made by then-Vice President of the United States Al Gore.[1] Motorola provided the technology and major financial backing.[2] The logo of the company was designed by Landor Associates, and represents the Big Dipper.[3] In 2008, as part of a rebranding campaign the wordmark would be de-capitalized.

The founding company went into Chapter 11 bankruptcy nine months later, on August 13, 1999.[4] The handsets could not operate as promoted until the entire constellation of satellites was in place, requiring a massive initial capital cost running into the billions of dollars.[5] The cost of service was prohibitive for many users, reception indoors was difficult and the bulkiness and expense of the hand held devices when compared to terrestrial cellular mobile phones discouraged adoption among potential users.[4]
Mismanagement is another major factor cited in the original program's failure. In 1999, CNN writer David Rohde detailed how he applied for Iridium service and was sent information kits, but was never contacted by a sales representative. He encountered programming problems on Iridium's website, and a "run-around" from the company's representatives.[6] After Iridium filed bankruptcy, it cited "difficulty gaining subscribers".[7]

The initial commercial failure of Iridium had a damping effect on other proposed commercial satellite constellation projects, including Teledesic. Other schemes (Orbcomm, ICO Global Communications, and Globalstar) followed Iridium into bankruptcy protection, while a number of other proposed schemes were never constructed.[4]

At one stage there was a threat that the Iridium satellites would have to be de-orbited; however, they remained in orbit and operational.[8][9] Their service was restarted in 2001 by the newly founded Iridium Satellite LLC, which was owned by a group of private investors. Although the satellites and other assets and technology behind Iridium were estimated to have cost on the order of US$6 billion, the investors bought the firm for about US$25 million.[5]

On February 10, 2009, Iridium 33 collided with a defunct Russian satellite, Kosmos 2251, 800 kilometres (500 mi) over Siberia.[10] Two large debris clouds were created.[11]
Present status [edit]

Iridium Satellite LLC merged with a special purpose acquisition company (GHQ) created by the investment bank Greenhill & Co. (NYSE: GHL) in September, 2009 to create Iridium Communications, Inc. The public company trades on NASDAQ under the symbol "IRDM". The company has approximately 523,000 subscribers as of the end of December, 2011 (compared to 427,000 in December, 2010). Revenue for the full year 2011 was US $384.3 million with Operational EBITDA of US $190.4 million.[12]
The system is being used extensively by the U.S. Department of Defense through the DoD gateway in Hawaii.[13] The DoD made up 23% of Iridium's revenues in 2010. An investigation was begun into the DoD contract after a protest by Globalstar, to the U.S. General Accounting Office that no tender was provided. A hold against the contract was lifted at the request of the Department of Defense, which cited national security reasons.[14] This allows the continued use of the network during the investigation.

The commercial gateway in Tempe, Arizona, provides voice, data, and paging services for commercial customers on a global basis. Typical customers include maritime, aviation, government, the petroleum industry, scientists, and frequent world travelers.
Iridium satellites are now an essential component of communications with remote science camps, especially the Amundsen-Scott South Pole Station. In December 2006, an array of twelve Iridium modems was put online, providing continuous data services to the station for the first time. Total bandwidth is 28.8 kbit/s.[15]
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