science

VOLMET

VOLMET 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 VOLMET rather than just read about it. In short: VOLMET (French origin vol (flight) and météo (weather report)), or meteorological information for aircraft in flight, is a worldwide network of radio stations that broadcast TAF, SIGMET and METAR reports on shortwave frequencies, and in some countries on VHF too. Reports are sent in upper sideband mode, using automated voice transmissions.

Key takeaways

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

Reference excerpt

VOLMET (French origin vol (flight) and météo (weather report)), or meteorological information for aircraft in flight, is a worldwide network of radio stations that broadcast TAF, SIGMET and METAR reports on shortwave frequencies, and in some countries on VHF too. Reports are sent in upper sideband mode, using automated voice transmissions. Pilots on international routes, such as North Atlantic Tracks, use these transmissions to avoid storms and turbulence, and to determine which procedures to use for descent, approach, and landing. The VOLMET network divides the world into specific regions, and individual VOLMET stations in each region broadcast weather reports for specific groups of air terminals in their region at specific times, coordinating their transmission schedules so as not to interfere with one another. Schedules are determined in intervals of five minutes, with one VOLMET station in each region broadcasting reports for a fixed list of cities in each interval. These schedules repeat every hour. An aircraft in flight can obtain by VOLMET the Aviation routine weather reports (METAR) of specific airports.

See also Automatic terminal information service (ATIS)

References VOLMET MAIN AND SOUTH transmitting from the north tower site Reigate 50W erp Main 135.38333 MHz AM voice, VOLMET SOUTH on 128.59166 MHz AM voice reference 2e0tsa field survey Aug 2026.

External links VOLMET station frequencies VOLMET station schedules Volmet main actually TX on 135.38333 MHz AM voice. 50W erp Reigate North Tower. (51.2566737, -0.2003147)

OS grid

This is the North tower site at Reigate hill,Not the Arqiva site south as mentioned by every database on the internet. The site visit and confirmed frequency of volmet main is 135.382,560, AM carrier 50W erp calculated from 212m from the base of the mast with -30dB attenuation inline,then measured at 15 miles no attenuation signal 9 +10dB The closest channel based on the 8.33KHz spacing is 135.383,330 MHz as from the rollout in 1999. Information supplied by 2E0TSA amateur radio operator .

Worked examples

Example 1 — a first encounter with VOLMET

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

In research: VOLMET 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 VOLMET 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: VOLMET is common in secondary-school and first-year university syllabi. It links to neighbouring topics Aviation meteorology, so understanding it makes those chapters shorter.
In everyday life: Look for VOLMET 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 VOLMET in 20 minutes

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

Frequently asked questions

What is VOLMET in simple terms?

Why does VOLMET 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 VOLMET?

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 VOLMET.