science

International Lighthouse and Lightship Weekend

International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend rather than just read about it. In short: The International Lighthouse and Lightship Weekend (ILLW) is an annual event held on the third full weekend of August each year. The event was the brainchild of John Forsyth and Mike Dalrymple who were members of the Ayr Amateur Radio Group in Scotland.

Key takeaways

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

Reference excerpt

The International Lighthouse and Lightship Weekend (ILLW) is an annual event held on the third full weekend of August each year. The event was the brainchild of John Forsyth and Mike Dalrymple who were members of the Ayr Amateur Radio Group in Scotland. The event, which started in 1998, has developed into an international gathering of amateur radio operators from an estimated 95 countries. Concurrent with this event, the Association of Lighthouse Keepers conducts their Lighthouse Heritage Weekend whereby lighthouse managers and keepers all around the world are encouraged to open their doors to the public for a viewing of their lighthouse and its history. The event is currently managed by an Australian amateur radio operator, Kevin Mulcahy (call VK2CE), who has been involved since 1998, and who now owns the domain name and web site. A small team of volunteers assist in the running of the weekend activity. Major amateur radio organizations such as the Radio Society of Great Britain, the Amateur Radio Relay League of America, and the Wireless Institute of Australia support and promote the weekend which accounts for the many participating countries each year.

Objective The objective of the ILLW event is stated as "to promote public awareness of lighthouses and lightships and their need for preservation and restoration, to promote amateur radio and to foster International goodwill." A classic example of what should not be allowed to happen to a lighthouse is shown here on YouTube featuring the lighthouse remains on Culebrita Island in Puerto Rico. Many of these magnificent structures are suffering from neglect and vandalism and it is the function of this event to make people aware of the need to conserve these historic aids to navigation before their existence is lost.

Format The basic format of the event is that members of a local amateur radio club or a licensed individual will set up a radio station either in, or near to, a lighthouse. They will then operate from that station over the whole or part of the weekend. The goal is to contact other amateur stations, particularly those operating from other lighthouse sites. Visiting public are invited to watch the operators and even use the equipment under supervision while visiting the lighthouse. YouTube has numerous video clips about the weekend which have been submitted by participants.

References [1] ARRL - Lighthouse Lightship Event Anticipating Record Participation (2013)] [2] ARRL - International Lighthouse/Lightship Weekend 2012] [3] ARRL - International Lighthouse/Lightship Weekend 2010] [4] ARRL - International Lighthouse/Lightship Weekend 2009]

External links Official ILLW web site Association of Lighthouse Keepers North Foreland Lighthouse - 2013 Radio Society of Sri Lanka - 2013 Newport Amateur Radio Club - 2013 Convair Amateur Radio Club USA Archived 2014-01-18 at the Wayback Machine What is the ILLW

Category:August events

Worked examples

Example 1 — a first encounter with International Lighthouse and Lightship Weekend

Start with the simplest possible case. Write down what International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend

In research: International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend 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: International Lighthouse and Lightship Weekend is common in secondary-school and first-year university syllabi. It links to neighbouring topics Amateur radio, Annual events, Lighthouses, so understanding it makes those chapters shorter.
In everyday life: Look for International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend in 20 minutes

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

Frequently asked questions

What is International Lighthouse and Lightship Weekend in simple terms?

Why does International Lighthouse and Lightship Weekend 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 International Lighthouse and Lightship Weekend?

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 International Lighthouse and Lightship Weekend.