ArticleslgStudy

science

Station identification

Station identification 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 Station identification rather than just read about it. In short: Station identification (ident, network ID, channel ID or bumper) is the practice of radio and television stations and networks identifying themselves on-air, typically by means of a call sign or brand name (sometimes known, particularly in the United States, as a "sounder", "stinger" or "sting", more generally as a station or network ID). This may be to satisfy requirements of licensing authorities, a form of brandi…

Station identification — main illustration
Station identification — illustration

Key takeaways

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

Reference excerpt

Station identification (ident, network ID, channel ID or bumper) is the practice of radio and television stations and networks identifying themselves on-air, typically by means of a call sign or brand name (sometimes known, particularly in the United States, as a "sounder", "stinger" or "sting", more generally as a station or network ID). This may be to satisfy requirements of licensing authorities, a form of branding, or a combination of both. As such, it is closely related to production logos, used in television and cinema alike. Station identification used to be done regularly by an announcer at the halfway point during the presentation of a television program, or in between programs.

Asia In Southeast Asia, idents are known as montage in Thailand and the Malay world (except Indonesia, known as station ID, terminology shared with the Philippines), and as an interlude in Cambodia and Vietnam.

Indonesia Television channels owned by Media Nusantara Citra (RCTI since 2016, both MNCTV and GTV since 2012 as well as iNews since 2018 except by its regional branches), by Trans Media (both Trans TV and Trans7 since 2016), and ANTV (since 2015) no longer air station identifications, although several channels such as MDTV, BTV, CNN Indonesia, Trans TV, and Trans7 are still airing idents irregularly.

Philippines Station identifications differ in the Philippines, and as each of the Manila-based stations are de facto national networks, are equivalent to what would usually be considered image campaigns elsewhere. Usually timed to the four seasons, tag-init (summer season), tag-ulan (rainy season), tagtuyo (dry season) and Christmas, the stations create elaborate campaigns revolving around the time of year, the channel's slogan, and unlike most image campaigns, can range from as short as ten seconds to an entire half-hour length program resembling a music video and highlighting various programs, divisions, and network personalities within a common narrative.

Europe Broadcast stations in Europe are not identified by a callsign (with the digital age, most networks share one or two metropolitan transmitting facilities within a certain region, making identification of the actual transmitter superfluous); however, most networks use a brand based on their common channel number. A form of station identification clip is played between programmes, traditionally incorporating the channel's logo, and accompanied by a continuity announcer that introduces the next programme (and promotes other programmes). These identifiers evolved from mainly being mechanical models (such as the BBC globe), to becoming more advanced through the evolution of CGI during the 1980s. From the 1960s to the 1990s, most broadcasters only used a single identifier, sometimes using special variations for holidays and special events. In the present day, most broadcasters use a set of multiple identifiers built around a particular theme or branding element, often based on the channel's current overall look. Prior to 1988, the two existing channels in the Netherlands, Nederland 1 and Nederland 2, used only the idents of the broadcasters airing on them. With the creation of Nederland 3, all three channels started using their own idents. A well-known example of idents in Europe are those featuring the masked troubadour played by British actor Joplin Sibtain, which were broadcast on the Swiss TV channel TSI in the 1990s.

North America

Mexico The Ley Federal de Telecomunicaciones y Radiodifusión enacted in 2014 does not include a requirement for regular on-air station identification. However, many stations continue to air twice an hour their call letters (in Spanish) along with their city of license, as was required previously under Article 76 of the Ley Federal de Radio y Televisión.

United States The United States' Federal Communications Commission (FCC) enforces specific requirements for identification that must be followed by all terrestrial radio and television stations. Stations must, when they sign on, sign off, and as close to the top of each hour as feasibly possible (such as within a "natural break" in programming, like a commercial break), present a visual (television) or aural (radio) station identification that contains, at minimum, the station's callsign, followed by its designated city of license. As a courtesy, top-of-hour identifications may also contain additional information, such as frequencies and a declaration of the station's ownership. Only the name of the licensee, the station's frequency or channel number as stated on its license, and/or network affiliations, may be inserted between the call letters and station location. An example of declared ownership on KTLA in Los Angeles during the late 1970s were the local announcer invoking then-station owner Golden West Broadcasters ("Golden West Broadcasters-Channel 5, KTLA Los Angeles"). For many years, many television stations demonstrate the station identification for other reasons, including delivering public service announcements, addressing community bulletin boards, or whenever a station experiences technical difficulties. Stations which broadcast on additional full- or low-powered signals must also identify them all every hour. However, stations licensed as translators must be identified in their own right only three times per day: once between 7 and 9 a.m., 12:55 and 1:05 p.m., and 4 and 6 p.m. FCC rules specify that additional communities a station serves may also be listed in a legal ID, but the official city of license must always be listed first. The advent of broadcast automation has made it much easier for broadcasters to ensure compliance with identification rules. Many television stations and radio stations may have their identifications prerecorded or programmed to play automatically at the appropriate times. It may also be monetized into an advertisement, with the station placing the required text into a quick ad spot where an advertiser such as a law firm sponsors a program with their slogan said.

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Station identification

Start with the simplest possible case. Write down what Station identification 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 Station identification 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 Station identification 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 Station identification

In research
Station identification 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 Station identification 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
Station identification is common in secondary-school and first-year university syllabi. It links to neighbouring topics Amateur radio, Radio broadcasting, Television presentation, so understanding it makes those chapters shorter.
In everyday life
Look for Station identification 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Station identification in 20 minutes

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

Frequently asked questions

What is Station identification in simple terms?

Station identification (ident, network ID, channel ID or bumper) is the practice of radio and television stations and networks identifying themselves on-air, typically by means of a call sign or brand name (sometimes known, particularly in the United States, as a "sounder", "stinger" or "sting", mo…

Why does Station identification 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 Station identification?

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 Station identification.

Tags

  • Amateur radio
  • Radio broadcasting
  • Television presentation
  • Television terminology

Keep exploring