Space X – Jenam 2011 Wed, 22 Sep 2021 22:12:36 +0000 en-US hourly 1 Space X – Jenam 2011 32 32 SpaceX’s Starlink to Exit Beta Next Month Wed, 22 Sep 2021 19:38:51 +0000

Changes may be in store for SpaceX’s Starlink Network. The satellite internet system will be released from beta next month, according to CEO Elon Musk.

Musk made this statement in a Tweeter Friday. But as of yet, he hasn’t said what the end of the beta phase might mean for Starlink.

Nonetheless, the release of the beta version generally signals that a service is stable and ready for wider deployment. Starlink currently serves 100,000 users in a dozen countries, including the United States. However, the system has a backlog of over 500,000 users who are still waiting to try satellite broadband service.

One problem facing the service is that the ground-based satellite dishes required to connect to the Starlink network have been expensive to manufacture. The company currently produces around 5,000 Starlink dishes every week, which means it would take two years to close the current backlog of users.

Fortunately, SpaceX is preparing to restart production. The company has developed a next-generation Starlink satellite dish, which it can produce in “multiples” of 5,000 each week.

The end of the beta may also signal speed increases for the service. The official Starlink website currently states that beta users can expect data speeds “of 50Mb / s to 150Mb / s and latency of 20ms to 40ms in most places.” However, Musk himself has promised Starlink’s speeds will get even faster and hit 300Mbps later this year.

Additionally, Starlink’s latency will drop below 20 milliseconds, which will make it capable of playing competitively, Musk previously said.

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Signals from SpaceX satellites used like GPS to pinpoint location on Earth Wed, 22 Sep 2021 14:00:00 +0000

Engineering researchers have developed a method to use signals broadcast by Starlink Internet service satellites to accurately locate a position here on Earth, much like GPS does. This is the first time that the Starlink system has been used by researchers outside SpaceX for navigation.

Starlink satellites, sent into orbit by Elon Musk’s SpaceX, are designed to provide high-speed internet connections in remote locations around the world. The researchers used signals from six Starlink satellites to pinpoint a location on Earth with an accuracy of 8 meters.

Their findings, shared today (September 22, 2021) at the Institute of Navigation GNSS annual meeting in Saint-Louis, could be a promising alternative to GPS. Their results will be published in the next issue of the journal. IEEE Transactions on Aerospace and Electronic Systems.

The researchers didn’t need SpaceX’s help to use the satellite signals, and they stressed that they didn’t have access to the actual data sent from the satellites – only information related to location and location. satellite movement.

“We listened to the signal, then we designed sophisticated algorithms to locate our location, and we showed that it worked with great precision,” said Zak Kassas, director of the Center for Automated Vehicles Research with Multimodal Assured Navigation (CARMEN ), a multi-institution transportation hub housed at Ohio State University.

“And although Starlink was not designed for navigation purposes, we have shown that it is possible to learn parts of the system well enough to use it for navigation.

CARMEN is one of four recently awarded US Department of Transportation University Transportation Centers. Kassas is an assistant professor of electrical and computer engineering at Ohio State and an associate professor at the University of California at Irvine.

For this research, Kassas and his research team studied the Starlink system and analyzed the signals sent by the satellites. They developed an algorithm that could use signals from multiple satellites to locate a position on Earth. Then they set up an antenna on the UCI campus and tried to use the network to locate the antenna.

Using Starlink, they identified the location of the antenna about 7.7 meters away. GPS, by comparison, usually identifies the location of a device within 0.3 and 5 meters. The team used similar techniques with other constellations of low-earth orbiting satellites, but with less precision, locating locations around 23 meters away, Kassas said. The team also worked with the US Air Force to locate aircraft at high altitude; they were able to approach within 5 meters using terrestrial cellular signals, Kassas said.

SpaceX has some 1,700 low orbit satellites, which means they circle the planet about 1,200 km from the Earth’s surface. SpaceX plans to eventually launch more than 40,000 satellites.

Kassas said that as the Starlink constellation grows, the accuracy of his team’s navigation and geolocation technique with their signals will also increase.

Their discovery could allow the government or other agencies to use Starlink’s satellites as an alternative – and perhaps safer – navigation system to GPS, which powers nearly all navigation systems around the world, Kassas said. .

GPS has been in place for over 30 years and its signals are well known, akin to open source software, Kassas said. This is a boon for companies developing GPS receivers in smartphones, portable fitness devices, and vehicles, but it also makes the system vulnerable to attack. GPS satellites are also farther from Earth than low orbit systems, making their signals weaker and therefore more susceptible to interference.

Jamming attacks on GPS signals can suppress GPS signals completely, which is a growing problem for aviation. Identity theft attacks on GPS can manipulate where a given vehicle appears in systems designed to monitor locations and prevent vehicles from straddling routes; attacks can also take the path of a vehicle – for example, some attacks have overtaken military and civilian drones, maritime vessels and even Tesla’s autopilot.

The Starlink system appeals to navigation experts, Kassas said, because the signals, so far, have been private – SpaceX has not shared them with governments or researchers. Starlink satellites are closer to the Earth than GPS satellites, making their signals much stronger and less susceptible to interference.

“The big problem here is that we don’t listen to what is being sent from these satellites,” Kassas said. “We learned the signals just well enough to use them for navigation.”

The co-authors of the research were Joe Khalife and Mohammad Neinavaie from the University of California, Irivine.

This work was funded by the US Office of Naval Research, the US Department of Transportation, and the National Science Foundation.

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Elon Musk promises upgraded toilets and Wi-Fi on upcoming SpaceX flight Tue, 21 Sep 2021 20:15:16 +0000

Following SpaceX’s successful adventure in space tourism, the founder Elon muskElon Reeve MuskElon Musk mocks Biden for ignoring his company’s landmark Inspiration4 space flight and the quest to cure childhood cancer SpaceX’s all-civilian crew returns to Earth, successfully completing a 3-day mission MORE said future flights would see some improvements – one of them being an improved toilet.

Musk wrote on Twitter in response to user feedback that he was planning updates for future missions following a debriefing with the Inspiration4 flight crew. He confirmed that an improved toilet will be a feature of the upcoming Dragon aircraft model, which posed “some challenges” on its maiden passenger flight.


In addition to the upgraded toilets, a small oven to heat food and run Starlink Wi-Fi will also be included.

The civilian crew of Inspiration4 flight – businessman Jared Isaacman, geology professor Sian Proctor, medical assistant Hayley Arceneaux and data engineer Christopher Sembroski – spent three days in orbit after its launch on 16 September.

The launch set the tone for future space tourism trips, although they are likely only available to wealthy passengers given the high cost of tickets.

SpaceX is one of three tech companies making strides in the nascent space tourism industry, with its main rivals being Richard Branson’s Virgin Galactic and Jeff BezosJeffrey (Jeff) Preston Bezos Elon Musk mocks Biden for ignoring his company’s historic space flight SpaceX launches first crew into fully civilian orbit in space Tucker Carlson says he lies when “I’m really stuck or something “‘s Blue Origin.

Virgin Galactic and Blue Origin previously sent passengers into space on manned flights.

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SpaceX sparks local interest in STEM Tue, 21 Sep 2021 00:46:15 +0000

HARLINGEN, Texas (ValleyCentral) – The number of STEM jobs in the Rio Grande Valley continues to increase as more aerospace jobs arrive in the region.

Paragon VTOL Aerospace announced Monday that more companies are coming to the Brownsville area to help their infrastructure.

There is more scientific exploration than what is happening in the Rio Grande Valley; Harlingen CISD is one of many school districts with an entire science building.

“Anyone can learn any subject, it’s take what you know and what you learn and create and produce something else,” Linda Salinas, Project Lead the Way teacher at STEM Squared in Harlingen.

The STEM-focused school opened in Harlingen four years ago and since then has aroused scientific interest among students.

Children are naturally curious, which the school is designed to take advantage of.

“It’s a big ‘why?’ Why, why, why do I need to know this and how is it really going to affect me. They see it and experience it every day here at STEM, ”Salinas said.

It’s not a science class like most adults have grown up on. The hands-on collaborative approach allows students to learn and engage in a variety of studies organically.

“So many things related to all areas. We make art here, we build, we use saws, we use drills, they learn robots and automation, coding, ”Salinas said.

It’s one thing that companies like SpaceX and Paragon VTOL Aerospace are moving to the region and creating jobs in the field, the STEM school gives students a head start with a hands-on learning experience.

“We partner with the community, we take trips to SpaceX, we took our students to the Gladys Porter Zoo,” Salinas said.

They are more than just field trips according to Salinas. “In fact, we are doing research, we are developing solutions,” she said.

Salinas said interest in STEM has always been present in the valley, but jobs are often outside of town. This meant that the students had to choose between the home or the job of their dreams.

“Now, with the arrival of all these great companies, the opportunity is there. And, best of all, they can see what I need for this job, this field or this career, ”she said.

STEM Squared is open to all Harlingen CISD college students on request.

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SpaceX’s Inspiration4 private astronauts had toilet issues in space Mon, 20 Sep 2021 15:00:19 +0000

CAPE CANAVERAL, Fla .– After spending nearly three days in space, SpaceX Inspiration4 the crew may have more appreciation for the facilities here on Earth – namely, the toilets.

SpaceX’s all-civilian historic mission, which launched on September 15 and landed successfully on Saturday, September 18, went off without a hitch except for a minor glitch with the Dragon’s toilets on board.