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Michael Sheetz Profile picture
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25 Jan, 4 tweets, 3 min read
SpaceX director David Goldman spoke with FCC officials late last week, to discuss the company's proposal to modify lower some of the Starlink satellites to lower altitudes and give a presentation with an update on the network's progress:
SpaceX says it plans to increase Starlink's download speeds from ~100 Mbps currently to 10 Gbps in the future:
SpaceX dismissed Amazon's $AMZN protest of the modification as "attempts to stifle competition", saying Amazon makes "misleading claims of interference" and emphasizing that the competing Project Kuiper network represents "still nascent plans"
SpaceX also emphasized an "ongoing commitment to space safety," saying its operations are transparent to other satellite operators, implemented automated collision avoidance, and Starlink satellites passively decay (i.e., fall out of orbit) faster due to "higher drag:"

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Michael Sheetz Profile picture
24 Jan
SpaceX's Transporter-1 mission lifts off, carrying a global record 143 satellites for a single launch:
There goes the rocket's nosecone, revealing the dozens of spacecraft on board
The Falcon 9 rocket booster has a great view of the Atlantic Ocean as it begins its reentry burn back through the atmosphere:
Read 8 tweets
Michael Sheetz Profile picture
17 Dec 20
Morgan Stanley published a lengthy research report on quantum communications — using the properties of light and sub-atomic particles to transmit information — and its possible implications for SpaceX.

Thread:
MS: Quantum communications is a "a sub discipline of Quantum Information Science which uses the properties of light and sub-atomic particles (i.e. photons) to transmit information."
"Quantum communications is different from quantum computing…although the advancements in quantum computing may help enable the
development and security of quantum communication networks"
Read 11 tweets
Michael Sheetz Profile picture
16 Dec 20
NASA awards Blue Origin with a launch service contract for its New Glenn rocket, "with an ordering period through June 2025 and an overall period of performance through December 2027."
The contract makes New Glenn available to NASA's Launch Services Program for future missions, essentially making Blue Origin an NLS II launch service provider.
nasa.gov/press-release/…
Blue Origin senior vice president Jarrett Jones: “We are proud to be in NASA’s launch services catalog and look forward to providing reliable launches for future NASA missions aboard New Glenn for years to come."
blueorigin.com/news/nasa-sele…
Read 4 tweets
Michael Sheetz Profile picture
16 Dec 20
There's another space stock coming: $ASTS

New Providence SPAC $NPA is taking satellite-to-smartphone broadband company AST & Science public at a $1.8 billion valuation.

Exclusive for @CNBC: cnbc.com/2020/12/16/ast…
AST "is launching a space-based satellite network that allows any phone – without any modification of hardware, software, apps, nothing – to be able to connect directly to satellites," CEO Abel Avellan said.

"This will support true 5G broadband speed."
cnbc.com/2020/12/16/ast…
@AST_SpaceMobile @AvellanAbel AST plans to launch the first 20 satellites of its SpaceMobile constellation in late 2022, in a first phase it expects will cost $510 million (with $259 million to build & launch the satellites.)

AST has yet to announce SpaceMobile launch provider(s).
cnbc.com/2020/12/16/ast…
Read 5 tweets
Michael Sheetz Profile picture
15 Dec 20
Astra CEO Chris Kemp is providing an update on the Rocket 3.2 launch: Image
@Astra @Kemp Rocket 3.2 reached Max Q at about T+00:57 seconds.
MECO at T+02:22
Stage sep at T+02:29
Upper stage shutdown at about T+06:00
@Astra @Kemp Kemp: Rocket 3.2 reached "an altitude of 390 kilometers, which is our nominal orbital altitude," but it was "just a half a kilometer per second short of the orbital velocity of 7.68 km/s," so "we were just a few short seconds from" getting into orbit.
Read 5 tweets
Michael Sheetz Profile picture
15 Dec 20
Rocket 3.2 has launched
And appears to be doing well so far
All the exclamation marks!
Read 4 tweets

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