science

WorldRadio

WorldRadio 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 WorldRadio rather than just read about it. In short: Worldradio was a monthly amateur radio enthusiast magazine published in Sacramento, CA, United States from July 1971 to January 2009. The magazine was published in English and drew its subscription base primarily from the United States and Canada, although it had subscribers around the world.

Key takeaways

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

Reference excerpt

Worldradio was a monthly amateur radio enthusiast magazine published in Sacramento, CA, United States from July 1971 to January 2009. The magazine was published in English and drew its subscription base primarily from the United States and Canada, although it had subscribers around the world. The staff of the magazine had an Amateur Radio club that was assigned the call sign WR6WR. This magazine is unrelated to a magazine called "World-Radio" published in the United Kingdom before World War II.

Sale to CQ Communications, Inc. On November 12, 2008, CQ Communications, publishers of CQ Amateur Radio, CQ VHF Magazine and Popular Communications announced that they had purchased Worldradio magazine from the founder and publisher Armond Noble, N6WR. Paid subscriptions for Worldradio were turned into CQ Amateur Radio subscriptions, while WorldRadio was continued as an on-line magazine. The first online issue, renamed WorldRadio Online, was published in February 2009.

References

External links WorldRadio magazine

Worked examples

Example 1 — a first encounter with WorldRadio

Start with the simplest possible case. Write down what WorldRadio 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 WorldRadio 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 WorldRadio 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 WorldRadio

In research: WorldRadio 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 WorldRadio 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: WorldRadio is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1971 establishments in North Carolina, 2008 disestablishments in North Carolina, Amateur radio magazines, so understanding it makes those chapters shorter.
In everyday life: Look for WorldRadio 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 WorldRadio in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what WorldRadio 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 WorldRadio out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is WorldRadio in simple terms?

Why does WorldRadio 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 WorldRadio?

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 WorldRadio.