science

Vizada

Vizada is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Vizada rather than just read about it. In short: Vizada was a Norwegian firm and later subsidiary brand of EADS and Marlink providing satellite communications services. It operated stations that connected satellite communications to terrestrial telecommunications and IP networks.

Key takeaways

Vizada belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Vizada to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Vizada from memory before moving on to harder problems.

Reference excerpt

Vizada was a Norwegian firm and later subsidiary brand of EADS and Marlink providing satellite communications services. It operated stations that connected satellite communications to terrestrial telecommunications and IP networks. Vizada's services covered maritime, land, and aeronautical services. In 2011, the Vizada Group was acquired by EADS and integrated as a subsidiary of Astrium.

History Vizada was formed in 2007 when private equity firm Apax Partners acquired France Telecom Mobile Satellite Communications (FTMSC - a division of France Telecom) and Telenor Satellite Services (a division of Telenor) and merged their operations. Apax sold Vizada to EADS for 673 million euros in 2011. EADS would go on to merge Vizada with EADS Astrium, its space subsidiary. While operative as a firm, Vizada acquired and reorganized several global telecommunications entities including FTMSC and Telenor Satellite Services, as well as vertically specialized companies such as Sait Communications and TDCom. At the time of its acquisition by EADS in 2011, Vizada provided both mobile and fixed satellite telecommunications to markets including merchant shipping, defense and government, fishing and yachting, oil and gas, mining, and non-governmental organizations. In 1998, one of Vizada's precursor firms entered into partnership with the Télécoms sans frontières (TSF), which was renewed in 2010. In 2016 an EADS subsidiary, reorganized and renamed as Airbus Defense and Space, consolidated several products including Vizada under the brand name Marlink. Airbus Defense and Space then sold its Marlink business and services back to Apax Partners for an undisclosed sum. As of 2024, Marlink no longer uses the brand name Vizada in any of its products or services.

Vizada Group While it existed as an independent firm, Vizada operated as The Vizada Group with three subsidiaries:

Vizada marketed global mobile and fixed satellite communications, partnering with network providers in the industry including Inmarsat, Iridium, Thuraya, Eutelsat, Intelsat, Loral, SES World Skies, and SES Americom. Vizada Networks specialized in fixed satellite and hybrid network solutions, operating out of Oslo and Holmestrand in Norway. Vizada Networks partnered with major fixed satellite operators including Eutelsat, Intelsat, and SES World Skies. Vizada Networks had been rebranded from Taide Network, a formerly Telenor product, in 2008. Marlink focused on maritime satellite communication.

Illustrations

Worked examples

Example 1 — a first encounter with Vizada

Start with the simplest possible case. Write down what Vizada claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Vizada before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Vizada ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Vizada

In research: Vizada appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Vizada in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Vizada is common in secondary-school and first-year university syllabi. It links to neighbouring topics Communications satellite operators, so understanding it makes those chapters shorter.
In everyday life: Look for Vizada outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Vizada in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vizada means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Vizada out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Vizada in simple terms?

Why does Vizada matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Vizada?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Vizada.