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By Mark Richter
If you ask a few broadband internet users about satellite internet connection, the reviews would probably not be good because of lower speeds and higher costs. Although Satellite internet has advanced a lot during the past few decades, the progress has not been as effective compared to what other internet connections have achieved so far.
Despite this fact and common opinion, there are millions of people in the US that rely on satellite internet for connectivity. And surprisingly, the demand is going up day by day. Moreover, many big names such as SpaceX and Amazon are investing billions of dollars to enter this market.
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So what is it that makes satellite internet so desirable?
The simple answer to this is necessity and evolution. The current satellite service providers have been upgrading their networks to offer services even in areas where it is even hard to find services such as landlines.
Furthermore, the ongoing development for a more enhanced satellite network by Amazon and Space X has brought new hope. And people are starting to expect that they will get higher speeds at lower costs, and a more reliable connection.
But before we get into the details, let’s have a quick look at what satellite internet is and the current technologies being used. That will give you a better idea of what is expected to come.
Satellite Internet and How It Works?
As the name suggests, satellite internet is the one that relies on satellite technology instead of a territorial network of wires. A complete satellite network involves two satellite dish antennas and the satellite in space.
One of the dish antennas is installed at the user’s end that connects to the modem with a wire. The second antenna is installed at the network center of the service provider that offers internet service. In between, the satellite in the Geostationary Orbit works as the medium to transfer signals on both ends.
So, customers don’t have to be connected to any wired network to get satellite internet services. That also means they don’t have to be near a city or a populated town to be eligible. Satellite internet can offer services as long as customers can get a strong signal from the satellite.
Moreover, satellite internet can offer a download speed of up to 100 Mbps while the maximum speed availability varies by location.
Current Technologies being used in Satellite Internet?
At the moment, there are two ISPs in the US that rely on satellite technology and offer nationwide coverage. These ISPs are HughesNet and Viasat.
Among these, Hughesnet satellite technology, also known as HughesNet Gen5 technology, uses the EchoStar XIX satellite. In comparison, Viasat uses a next-generation Ka-band satellite that is also known as the ViaSat-2 satellite.
These satellites match the rotation of the Earth, hence enable the service providers to offer constant internet services to their customers. Besides that, both of these technologies offer amazing coverage as the providers are available in all the States of the US.
HughesNet is considered a better choice by those consumers who want a reliable connection with a good speed but at a lower cost. On the other hand, Viasat is known for offering more speed and data while the prices are very high.
The Future of Satellite Internet and What Should We Expect?
Now if we talk about the future, it seems like the internet underdog is having a great moment. With ViaSat planning to be the world’s first global broadband ISP via its upcoming ViaSat-3 Constellation, Hughesnet is not far behind. Both of the ISPs are working towards improving their speeds, offering more data, and even provide global coverage.
On the other hand, SpaceX and Amazon are experimenting on the LEO satellite network also known as Low Earth Orbit satellites. In comparison to Geostationary satellites, this is expected to be much better. Some experts go as far as to call it the next big thing in the world as they hope for it to offer download speeds of up to 1 Gbps.
The basic idea is to use satellites that are closer to the earth and are constantly orbiting instead of geostationary orbit. Since these satellites would be closer, it would reduce the latency significantly. As a result, users would be able to play online games, stream movies, perform activities such as trading, and much more.
Furthermore, instead of relying on one satellite, it would use a network consisting of hundreds and thousands of satellites around the globe. That would mean that people from anywhere in the world (not just the US) who are living at the remotest locations would have access to better internet services.
However, the successful development of this complete network is going to take some time as it is currently in the experimentation phase. That is why it is still unknown that how capable this new satellite infrastructure would be and what can be achieved in terms of speeds and reliability.
(Disclaimer: The article is sponsored and hence promotes some commercial links.)
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The Supreme Court on Tuesday agreed to examine a seeking direction to the Election Commission to de-register a political party, which fails to comply with the court's direction to disclose criminal antecedents of candidates fielded in polls. Advocate Ashwini Upadhyay requested a bench headed by Chief Justice N.V. Ramana and comprising Justices A.S. Bopanna and Hima Kohli to list the petition urgently, against the backdrop of the ongoing election process. He contended that nomination for the first phase of the Uttar Pradesh Assembly election has started, and the political parties and candidates are brazenly violating the top court judgments.
After briefly hearing Upadhyay, the bench said: "We will consider it... will give a date".
The plea argued that allowing criminals to stand for election threatens democracy and secularism. | Wikipedia
The plea claimed that the cause of action for filing the plea arose after the Samajwadi Party fielded alleged gangster Nahid Hasan from Kairana but neither published his criminal records in electronic, print and social media nor the reason for his selection within 48 hours. On February 13, last year, Shamli police imposed the Gangster Act on Nahid Hasan, who is a two-time MLA from Kairana. "He (Hasan) has multiple criminal cases and is the 'mastermind' behind the Hindu exodus from Kairana. There are many criminal cases including fraud and extortion, and he was declared a fugitive by Special MLA-MP Court," the plea said.
The plea argued that the consequences of permitting criminals to contest and become legislators are extremely serious for democracy and secularism. The plea sought a direction to the Election Commission to take steps to ensure that every political party publishes the details regarding criminal cases of each candidate along with the reason for such selection on the homepage of its official website in bold letters within 48 hours in the spirit of top court orders passed on September 25, 2018, and February 2, 2020. (IANS/ MBI)
(Keywords: uttar pradesh assembly election, hima kohli, justices a.s. bopanna, chief justice n.v. ramana, political party, election commission, the supreme court, tainted candidates, action, plea)
There will be no chief guest at the Republic Day parade this year also as the plan to host state heads of five Central Asian countries -- Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan -- seems to have been cancelled due to the Covid situation in India as well as in the respective nations. Though the Ministry of External Affairs is yet to confirm this officially.
If the guests arrive, then this would be the second time when India hosts a group of state heads as the chief guests on the Republic Day. In 2018, state heads of ASEAN countries graced the occasion with their presence. Apart from Kazakhstan, none of these countries' state heads had been invited as the chief guests on the Republic Day. In 2009, Kazakhstan's then president Nursultan Nazarbayev was the Chief Guest.
The Government of India is in no mood to take any risk to invite any foreign guest.Unsplash
As per sources, due to the corona situation, the Government of India is in no mood to take any risk to invite any foreign guest, so the plan seems to have been cancelled. Last year, British Prime minister Boris Johnson was invited for the same, but later cancelled due to rising corona cases in the UK.
In the past, there have been occasions when the Republic Day ceremony was celebrated without any foreign guest. In 1966, there was no foreign chief guest in the Republic Day parade ceremony as the then Prime Minister Lal Bahadur Shastri had passed away in Tashkent in January, and Indira Gandhi took oath as Prime Minister on January 24. (IANS/SP)
(Keywords : chief, guest, Republic Day, parade, India, January, pandemic, 2022, host, nation, guest, invite, foreign, occasion, presence, celebrate.)
A team of scientists from the Banaras Hindu University (BHU) have found a cure for those suffering from chronic wounds, particularly with diabetic foot ulcers. The team led by Prof Gopal Nath of the department of Microbiology, Institute of Medical Sciences, said that wounds that took months and years to heal, could now be cured in days or months. The findings of study have been published in the National Centre for Biotechnology Information, National Institutes of Health, US.
Prof Nath said that a wound is defined as a breach in the skin or body tissues due to injury. An acute wound is defined as a "recent break that is yet to progress through sequential stages of healing". The wounds where normal healing process is stalled due to underlying pathology (vascular and diabetes) or infection beyond three months is defined as chronic wound. While chronic wounds always get infected, the contaminated wounds are reasonably susceptible to infection.
A significant improvement could be achieved in the form of complete wound epithelization within a few weeks.Towfiqu barbhuiya / Unsplash
Infection with antibiotic-resistant bacteria and biofilm formation halt healing progress. These wounds cause significant psychological and physical morbidity. The traditional treatment strategies often succeed in healing wounds, he said adding that many wounds have been observed recalcitrant to them, leading to persistence and recurrent infections. Search for alternatives to antibiotics has now become a compulsion. Fortunately, bacteriophage therapy is a re-emerging solution to antibiotic-resistant bacteria.
Prof Nath's team carried out phage therapy of acute and chronic infected wounds in animals and clinical studies. It showed efficacy against Pseudomonas aeruginosa in a mice wound model. Furthermore, they evaluated the efficacy of phage cocktails in animal models' acute and chronic osteomyelitis caused by methicillin-resistant Staphylococcus aureus. They also observed biofilm eradication from K wire in rabbits' wound infection model. Clinical trials of phage therapy initiated by the BHU have reported the efficacy of topical phage in healing chronic wounds in three prospective exploratory studies and no adverse events mimicking the results in vivo animal models.
Scientists have found a cure for those suffering from diabetic foot ulcers. Unsplash
A clinical study by Gupta demonstrated the significant role of bacteriophage therapy in the chronic wounds associated with antibiotic-resistant bacteria. The study employed a total of twenty patients with chronic non-healing ulcers for more than six weeks duration. A significant improvement could be achieved in the form of complete wound epithelization within a few weeks. Another study, employing 48 patients having a minimum of one eligible full-thickness wound that did not heal in six weeks with convention wound management, showed the promising result, and significant improvement was observed in the wound healing.
The study projected that specific phage therapy is equally effective regardless of the diabetic or non-diabetic status of the patient though the healing was relatively delayed in diabetic patients. Another successful study has shown encouraging results on healing process of infected acute traumatic wounds. The average number of days required for complete granulation of wounds and attaining sterility and healing was half compared to conventional therapy. (IANS/SP)
(Keywords : scientists, cure, chronic, wound, suffer, ulcer, diabetes, healing, pathology, health, infection, bacteria, study, patient, therapy, successful.)
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