Satellite - TechSmartWorld

SpaceX has announced that its satellite internet service, Starlink, is now available in 32 countries. The company took to Twitter to announce the availability details. Interestingly, SpaceX said people who place an order will get their Starlink service shipped “immediately”.

Over the past few months, Starlink has been facing major issues delivering its services to major parts of the world. Customers have been complaining about shipment delays and extended wait periods. It now looks like Elon Musk’s space company is rigorously working towards resolving these issues.

Starlink shared on Twitter a map showing the service’s availability across the globe. The map shows that the service will be available across most parts of Europe and North America. The map also showed that parts of South America, Australia, and New Zealand would get immediate access to the service.

The immediate availability list doesn’t include India but the country is marked in the “coming soon” blue colour.

The company previously said Starlink service will be available in 25 countries but that list has been expanded to 32 countries now. It is great to see that SpaceX is shipping its dishes to customers immediately. This comes as great news, as consumers until now have been constantly complaining about waiting for months to get access to the service.

Starlink in India

India was initially considered to be one of the key markets for Starlink. It even started pre-orders for users in India last year. However, that was paused in November following a government notification, which warned Starlink to obtain a license for its services before starting bookings.

Following the government warning, Starlink started issuing refunds to customers who pre-ordered Starlink’s services. The company claimed that it received more than 5,000 pre-orders in the country.

Later, in January 2022, Sanjay Bhargava, Starlink’s India Head, quit the company.

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Satellite SPACE & SCIENCE

Chandrayaan 2 Is India’s Biggest Space Mission: Watch It Live Right Here!

July 22, 2019 techsmartworld team Chandrayaan 2 Launch, ISRO, Launch of GSLV MkIII - M1

ISRO Chandrayaan 2 Launch Live Streaming Online: Chandrayaan 2 is all set to break past the Earth’s escape velocity and start its journey towards the planet’s only natural satellite, the Moon. Over one billion Indians are eagerly waiting for this proud moment and will be catching the live updates of Chandrayaan 2’s launch. India’s second lunar mission Chandrayaan 2 will also be the country’s first to carry a rover which will soft-land on the lunar surface. Chandrayaan 2 will explore the unchartered territory of the Moon’s south polar region. On Sunday, July 21, Indian Space Research Organisation (ISRO) started the countdown for the launch of Chandrayaan 2 onboard its “Baahubali” rocket GSLV MK III. The countdown started at 1843 Hrs IST on Sunday and the launch of Chandrayaan 2 is scheduled at 1443 Hrs IST on Monday, July 22. Earlier the launch of Chandrayaan 2 was scheduled on July 15 but ISRO, just in the nick of time, aborted its launch mission due to a “technical snag” in the launch vehicle.
Later, on Sunday, ISRO informed that the fuel filling of the liquid core stage of Chandrayaan 2’s launch vehicle GSLV MkIII M1 was completed. Chandrayaan 2s launch vehicle is ISRO’s most robust and advanced rocket and its success will further give the agency capacity to carry out more complex missions like Gaganyaan which is planned as a manned mission.

Watch Chandrayaan-2 Launch Right Here

The launch will happen at 2.43 PM, from Satish Dhawan Space Centre (SDSC) in Sriharikota.
You can watch the streaming of the launch right here, which uses DD National Live Streaming feed from Youtube.

Objective Of Chandrayaan 2 Launch

As per ISRO’s notes, the Chandrayaan 2 mission will attempt to land the Lander (Vikram) and the Rover (Pragyan) at a location between Manzinus C and Simpelius N, at a latitude of about 70 degrees south.
This is situated on the South Pole, a region where no other space mission has ever reached, and as per theories, this region can have the presence of water.
The Chanrayaan-1 mission has discovered water molecules on the lunar surface, and now Chandrayaan-2 will attempt to discover water or water molecules below the surface and in the tenuous lunar exosphere.
ISRO said, “There is a possibility of the presence of water in permanently shadowed areas around it. In addition, the South Pole region has craters that are cold traps and contain a fossil record of the early Solar System.”

Technical Information About The Mission:

GSLV Mk-III: This is India’s most powerful launcher, capable of carrying 4-ton class of satellites to the Geosynchronous Transfer Orbit (GTO).
Orbiter: It weighs 2,379 kg and has an in-built electric power generation capability of 1,000 Watt. This will be placed in the 100×100 km lunar polar orbit, by GSLV Mk-III.
Lander: Codenamed Vikram, this weighs 1471 Kg and can generate 600 W of power.
Rover: Codenamed as Pragyan, this weighs 27 Kg, and can generate 50W of power, and can move up to 500 meters.

Satellite SPACE & SCIENCE

SpaceX Launches Falcon Heavy Rocket With 24 Satellites

June 25, 2019 techsmartworld team LightSail, Satellites, SpaceX

SpaceX launched its Falcon Heavy rocket on Tuesday from Kennedy Space Center in Florida, carrying 24 experimental satellites in what Elon Musk’s rocket company called one of the most difficult launches it has attempted.
The craft blasted off to cheers from onlookers at 12:00 pm IST after a three-hour delay from the original launch time late Monday.
The boosters separated safely and the craft began its six-hour mission to deploy the satellites.
The mission, dubbed Space Test Program 2 (STP-2), is the third for the Falcon Heavy rocket, which SpaceX describes as the most powerful launch system in the world.
It was commissioned by the US Department of Defense, the key contractor for commercial space companies such as SpaceX.
The company is putting satellites into orbit for agencies including NASA and the National Oceanic and Atmospheric Administration (NOAA), defence department laboratories, universities and a non-profit organization, SpaceX said.
The mission is one of the most challenging in SpaceX history, with four separate upper-stage engine burns and three separate orbits to deploy satellites, the company said on its website.
The company also plans to recover the three first-stage core boosters for re-use in other missions.

Solar sail

The payloads on the satellites Falcon Heavy is putting into orbit include an atomic clock NASA is testing for space navigation, another testing new telescope technologies, and a solar sail project part-funded by the Planetary Society, a non-profit organization headed by Bill Nye, “The Science Guy” on television presentations.
The LightSail is a crowdfunded project that aims to become the first spacecraft in earth orbit propelled solely by sunlight, the society, which has championed solar propulsion for decades, says on its website.
Falcon Heavy is the most powerful operational rocket in the world “by a factor of two,” SpaceX says on its website. It has the ability to lift into orbit nearly 64 metric tons (141,000 pounds) – more than a 737 jetliner loaded with passengers, crew, luggage, and fuel.
Only the Saturn V moon rocket, last flown in 1973 from the same launch pad, delivered more payload to orbit, it says.

Satellite SPACE & SCIENCE

ISRO successfully places EMISAT, 28 other international satellites in orbit in triply-special PSLV-C45 mission

April 1, 2019 techsmartworld team

The Indian Space Research Organisation(ISRO) successfully completed the PSLV-C45/EMISAT mission this morning starting with a “perfect launch” from the SHAR in Sriharikota at 9.27 am.
PSLV-C45 — carrying Emisat, 28 foreign satellites, and three scientific instruments — lifted off from the second launch pad at Satish Dhawan Space Centre in Sriharikota at 9.27am. Around 17 minutes after lift-off, PSLV placed Emisat in an orbit in a 753.6km altitude.
The mission placed an Indian electronic spy satellite developed jointly by ISRO and the Defense Research and Development Organisation (DRDO), EMISAT, and 28 other cube- and nanosatellites from Lithuania, Spain, Switzerland, and the USA.
In the next 1.5 hours, the launch vehicle’s fourth and final stage — PS4 — restarted and shut down twice, as the rocket maneuvered to a 504km orbit. Around two hours after the mission started, the PS4 placed 28 foreign satellites — belonging to the US, Lithuania, Spain, and Switzerland – in their orbits.
It was the Polar Satellite Launch Vehicle’s 47th flight and was one of the longest missions of the launch vehicle around the Earth, lasting nearly three hours. The previous longest mission was that of PSLV-C40 in January 2018 which lasted two hours and 21 minutes.
A new variant of the Polar Satellite Launch Vehicle (PSLV), the PSLV-QL, lifted off from the Satish Dhawan Space Center in Sriharikota with the 29 payloads and placed them in three different orbits over the 180-minute-mission, which is something ISRO attempted (and succeeded at) for the first time.

The PSLV-C45/EMISAT mission is also special for ISRO in other ways. It is the first test of the PSLV-QL rocket variant, which has 4 additional strap-on PSOM-XL boosters to give it a huge additional thrust during liftoff. The mission will also host three experiments from Indian students and startups in the rocket’s “still-alive” fourth stage (PS-4). The PS-4 has been adjusted into a suitable orbit at a ~480km altitude so it can sustain three experiments inside it for 5-6 months in microgravity.
These experiments include an Automatic Packet Repeating System (APRS) from AMSAT (Radio Amateur Satellite Corporation), India, an Advanced Retarding Potential Analyzer for Ionospheric Studies (ARIS) from Indian Institute of Space Science and Technology (IIST) in Kerala and an Automatic Identification System (AIS), from ISRO.

Here’s a look at the PSLV-C45 mission at a glance.
According to ISRO, a new variant of the rocket PSLV-QL equipped with four Strap-On motors in the first stage is used for the launch. PSLV, also used in India’s two key missions, “Chandrayan” in 2008 and Mars Orbiter in 2013, is a reliable and versatile launch vehicle for ISRO with 39 consecutive successful flights till June 2017 and five-in-a-row from January 2018.
The rocket has encountered only two failures so far, its maiden developmental flight ended unsuccessful way back in 1993.
The other 28 international satellites — 25 3U type, two 6U type, and one 2U type nanosatellites — are from Lithuania (two), Spain (1), Switzerland (1) and the United States (24).
All these satellites are being launched under commercial arrangements, ISRO said.
In September 2017, the flight went off without any hitch but the IRNSS-1H Satellite could not be released into orbit after the PSLV-C39’s heat shield failed to open on reaching the orbit.
In this mission, ISRO scientists would place the satellites and payloads in three different orbits, a first for the agency. After injecting the 436 kg primary satellite EMISAT, intended for electromagnetic spectrum measurement, at around 17 minutes from lift off in a 749 km orbit, they would restart the fourth stage again. This is the second time that Isro is converting PS4 as a satellite-like orbital platform. On January 24, PSLV-C44 carried a student satellite in its PS4 which was alive for several hours — powered by batteries — helping the payload conduct microgravity tests.
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Source:-.businesstoday and times of India

Satellite SPACE & SCIENCE

ISRO can Place Associate in Nursing Electronic Spy In area On Apr 1st: EMISAT guarantees Sharp Surveillance

March 27, 2019 techsmartworld team EMISAT, ISRO, PSLV-C45, SARAL

Indian area analysis Organisation (ISRO) can launch twenty-nine satellites as well as the first payload EMISAT, on the primary of April.
Polar Satellite Launch Vehicle, PSLV-C45 can pop out from Satish Dhawan area Centre in Sriharikota tentatively at 9:30 AM carrying the satellites aboard.
On Gregorian calendar month first, ISRO can launch AN electronic spy, the tiny low satellite is known as EMISAT and places it within the orbit.
A special and a replacement version of PSLV are going to be used for this launch, whereby besides EMISAT, twenty-nine different satellites are going to be launched, because at the same time. Related:-Isro will set up a unit in Moscow to develop the technology needed for Gaganyaan mission
This will be forty-seventh launch via PSLV or Polar Satellite Launch Vehicle

EMISAT: India’s sensible Spy within the area

EMISAT has been developed for observation microwave radar network by the Asian nation. AN ISRO unleash says, EMISAT, advisement 436 kilograms, is meant for spectrum activity.
it’ll be placed in AN orbit of concerning 753 klick altitude. The client payloads are from Baltic Republic, Spain, Schweiz and therefore the USA. they’ll be hurled into the area at AN altitude of concerning 505 klicks.
PSLV-C45 are going to be used for the primary time on April first once this powerful launcher can carry EMISAT and twenty-nine alternative satellites into the area, and place them in numerous orbits.
The highlight of this launch in EMISAT, that may be a powerful police work satellite, developed by ISTO and DRDO (Defense analysis and Development Organization). Related:-Chandrayaan 2 Is India’s Biggest Space Mission: Watch It Live Right Here!
EMISAT is based on the celebrated Israeli artificial satellite known as SARAL or (Satellite with Argos and ALtika) and inherits its SSB-2 bus protocol for conducting sharp surveillance across the length and breadth of the Asian nation.
EMISAT can use SARAL’s special measuring instrument known as AltiKa (Built by CNES, also as a Doris instrument), which can primarily add Ka-band, 35 GHz.
The single frequency Ka-band can empower EMISAT to scan through ice, rain, coastal zones, land lots, forests, and wave heights with no hiccups.
First acknowledged within the Ministry of Defence annual report 2013-14, EMISAT took eight years to develop, and its payload was developed beneath Project KAUTILYA by Defence physical science workplace (DLRL), Hyderabad.

Speciality Of PSLV-C45 Launch

After all the satellites are placed into orbits, the fourth stage of the rocket is going to be propelled to a unique elevation and can be used as a platform for various experiments by Indian establishments, as well as ISRO.
Indian Institute of area Science (IISc) and therefore the Radio Amateur Satellite Corporation ar the opposite 2 establishments which will have their devices on the experimental platform.
Sivan, Chairman, Indian area analysis Organisation (ISRO) has confirmed that the launch of thirty satellites via PSLV-C45 launcher may be a special one for ISRO.
For the primary time ever, a launcher can place satellites in three totally different orbits.
He said, “It may be a special mission for the USA. we’ll be employing a PSLV rocket with four strap-on motors. Further, for the primary time, we’ll be making an attempt to orbit the rocket at 3 totally different altitudes.”
To start with, PSLC-C45 can place EMISAT into a 749 klick orbit (EMISAT weighs 436 kgs).
Later, the remaining twenty-eight satellites are going to be placed within the 504 km altitude.
And then finally, the launcher can dip additional right down to 485 km orbit, and place 3 experimental payloads:
Automatic Identification System ( AIS) from ISRO for Maritime satellite applications
Automatic Packet repetition System (APRS) from AMSAT (Radio Amateur Satellite Corporation), India
Advanced Retarding Potential instrument for Ionospheric Studies (ARIS) from Indian Institute of area Science and Technology (IIST) Related:-SpaceX Dragon Capsule Successfully Docks With ISS
PSLV-C45 can launch on April first at nine AM, and therefore the overall flight sequence can take one hundred eighty minutes.
Normally the rocket is left redundant as area detritus once the launch mission is over. however, ISRO uses it for such experiments for the second time in a very series. throughout the last PSLV mission conjointly it adopted a similar innovative technique.
We will keep you updated, as additional details are available…
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Satellite SPACE & SCIENCE

What does Satellite Communications mean?

March 10, 2019 techsmartworld team Satellite Communications mean

Satellite communications are that the use of satellite technology within the field of communications. The services provided by satellite communications are voice and video job, internet, fax, tv and radio channels.
Satellite communications will give communication capabilities spanning long distances and may operate beneath circumstances or conditions that are inoperable for different kinds of communication.

Satellite Communications mean

Satellite Communication activity has become wide unfold and omnipresent throughout the country for such numerous applications like tv, DTH Broadcasting, DSNG and VSAT to use the distinctive capabilities in terms of coverage and reach.
The technology has matured considerably over the past 3 decades and is being employed on an industrial basis for an oversized variety of applications. Related:-Isro will set up a unit in Moscow to develop the technology needed for Gaganyaan mission
Most folks are touched by satellite communication in additional ways that then we tend to realize.
The potential of the technology for social group applications still fascinate ISRO and efforts are on to leverage the advantages of technology to the betterment of grouping.
vital initiatives pursued by ISRO towards social group development embrace Tele-education, Tele-medicine, Village Resource Centre (VRC) and Disaster Management System ( DMS) Programmes. The potential of the house technology for applications of national development is big.

Features of satellite communications:

1. Satellites utilized in satellite communications are typically in geosynchronous orbit. a number of them are placed in extremely elliptical orbits. Related:-Chandrayaan 2 Is India’s Biggest Space Mission: Watch It Live Right Here!
2. Satellite communications will give international handiness. It cannot solely land lots however additionally maritime areas still. giant distances will so be coated quite simply.
3. One of the most blessings provided by satellite communication is that the superior reliableness in contrast to different kinds of communication. It doesn’t like terrestrial infrastructure for operation.
4. Satellite communication may give superior performance as uniformity and speed are far more pronounced than different kinds of communication.
5. Scalability is higher just in case of satellite communications.
6. Deployment value is beyond most kinds of communications just in case of satellite communications.
7. As it is a smaller amount vulnerable than different kinds of communication, it’s extremely utilized in defense departments.
8. Satellite communications additionally give weather info.
9. It will be useful throughout times of disasters because the services seldom fail.
10. The High quantity of information will be transmitted with the assistance of satellites.
Communication satellite contains an electrical device, antenna, communication payload, shift systems, command, and system.
How will Satellite communication work?
It works on 2 main components:
The ground base or the planet
Space part

In this mode of communication, the satellite stationed at the house receives signals from the planet with the help of an AN antenna.
The signals are amplified to AN optimum level and so with the assistance of transponders, they’re retransmitted back to the planet. Related:- SpaceX Dragon Capsule Successfully Docks With ISS
The planet station then receives the signal from the satellite, and amplifies it and helps within the communication.
thus during this mode of communication, it had been the satellite that helped within the transmission of signals from the planet and so back to the planet, so justifying the name.

Where is it used?

In ships, wherever typically mobile phones fail to work, satellite phones are useful in communication. Satellite phones work on the higher than principle.
Satellite radio, satellite TV still as Satellite net additionally care for the principle of satellite communication. The satellite mode of communication is primarily useful in remote areas wherever broadband facilities fail to work.
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Satellite SPACE & SCIENCE

SpaceX Dragon Capsule Successfully Docks With ISS

March 4, 2019 techsmartworld team SpaceX Dragon Capsule Successfully Docks With ISS

The demonstration mission of SpaceX’s new Crew Dragon capsule with success docked Sunday on the International space platform, passing a key take a look at before it will begin taking U.S.A. astronauts into the house.
The moorage of the capsule, that has solely a dummy on board, was terminated at 1051 UT1, nearly 250 miles (400 kilometers) over the surface of the world, NASA, and SpaceX confirmed throughout a live broadcast of the mission.
A little over 2 hours later, the house station’s 3 crew members – yank Anne McClain, Canadian David Saint-Jacques, and Russian Oleg Kononenko – opened the hatch of the space vehicle and, for the primary time, penetrated its interior in the house.
There they found the dummy, Ripley, strapped to a seat, associate degreed an unbound plush toy within the kind of the blue planet, that SpaceX had jokingly placed there as a “super advanced zero-g indicator.”
“Welcome to the new era in space travel,” McClain same from within Dragon.
Saint-Jacques tweeted regarding the expertise observance Crew Dragon’s “first-ever approach and docking” to the space platform, hailing it as “the dawn of a replacement era in human spaceflight!”
NASA chief Jim Bridenstine tweeted his congratulations on “this historic action,” that brings us an enormous step nearer to its goal of once more flying astronauts into the house on yank rockets.
NASA has relied on Russia to ferry its astronauts to the space platform since the top of the U.S.A. ballistic capsule program in 2011 when a 30-year run.
The capsule, conjointly known as Dragon or Dragon two, approached the space platform terribly bit by bit, rigorously synchronizing its speed and flight.
The contact gave the impression to be created terribly slowly, however, if truth be told each artificial satellite were orbiting the world at over twenty-seven,000 kilometers per hour.
From blast-off at the Kennedy house Center in Sunshine State on a weekday to contact Sunday, the flight took twenty-seven hours. The dragon can detach itself from the space platform next Fri and splash down within the ocean, its descent slowed by four parachutes.
The mission may be a dry run, while not anyone on board, for Dragon’s initial manned mission, that ought to manifest itself this year. The take a look at run sought-after to demonstrate that the vehicle is reliable and safe, so NASA will resume manned flights from U.S.A. soil this year.
‘NASA ‘rocking’ again’
Founded by wealthy person Elon Musk, SpaceX has created the trip to the ISS a dozen times since 2012, however solely to bring the consignment to the station.
Transporting folks may be an additional advanced task, requiring seats, a pressurized cabin with breathable air, temperature regulation and emergency escape systems.
In 2014, the U.S.A. house agency awarded contracts to SpaceX and Boeing to require over the task of ferry astronauts to the space platform. In SpaceX’s case, NASA has united to pay $2.6 billion half dozen} spherical journeys.
The switch from NASA owning artificial satellite to paying non-public companies for service was initiated below former president Barack Obama – however, thanks to development delays, has come back to fruition below the U.S.A. President Donald Trump.
“We’ve got NASA ‘rocking’ once more. nice activity and success. Congrats to SpaceX and all!” Trump tweeted weekday evening.
Return to the Moon
Since 2017, one in every of NASA’s official missions has been to come back to the Moon. Congress has been generous with the housing agency, providing overall funding of $21.5 billion within the 2019 budget.
Bridenstine has explained that NASA desires to cut back prices in low orbit to devote resources to obtaining back to the Moon and collecting a little space platform in satellite orbit within the 2020s.
“As a rustic, we’re wanting forward to being one client of the many customers, during a sturdy business marketplace in low Earth orbit, so we are able to drive down prices and increase access in ways in which traditionally haven’t been attainable,” the same weekday following Dragon’s launch.
But Musk has admitted that promoting travel within the Dragon capsule isn’t a priority – and he’s additional inquisitive about the distant exploration of the system.
At the post-launch news conference on a weekday, he reiterated his dream for a permanent Moon base – and causing folks to Mars.
Musk has already bolted in his initial non-public client to fly around the Moon: Japanese wealthy person Yusaku Maezawa. however, it will not happen before 2023 at the earliest – with the rocket, way more powerful than that used for the Dragon mission, still in development.
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