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A promo (a shorthand term for promotion) is a form of commercial advertising used in broadcast media, either television or radio, which promotes a program airing on a television or radio station/network to the viewing or listening audience.
An example is A33A, a Tongan call sign; the first '3' is the second character of the prefix and the second '3' is the numeral separating 'A3' from the single-letter suffix 'A'. There are no single letter prefixes allocated by the ITU with an 'A', so the first '3' must be part of the prefix.
With regard to the second and/or third letters in the prefixes in the list below, if the country in question is allocated all callsigns with A to Z in that position, then that country can also use call signs with the digits 0 to 9 in that position. For example, the United States is assigned KA–KZ, and therefore can also use prefixes like K1 ...
Pertaining to their status as former or current colonies, all of the British West Indies islands shared the VS, ZB–ZJ, and ZN–ZO prefixes. The current, largely post-independence, allocation list is as follows: Anguilla (in amateur radio VP2E prefix) Antigua and Barbuda (uses V2 prefix) Bahamas (has the C6 prefix) Barbados (uses 8P)
Stations in Alaska have "L" as their second prefix letter, and stations in the Caribbean region (such as Puerto Rico and the U.S. Virgin Islands) use "P" for their second letter. Generally the shorter the call (up to a 1x2 or 2x1 format) the higher the grade of license, but amateurs who upgrade are not required to change their call signs.
Furthermore, broadcast radio advertising often offers the advantage of being localized and inexpensive in comparison with other mediums such as television. [38] Thus, radio advertising can be an effective, low-cost medium through which a business can reach their target consumer. Studies show that radio ads create emotional reactions in listeners.
The price of a 30-second Super Bowl ad in 2024 is the same as in 2023: $7 million. To break it down for you, that amounts to an average cost of over $233,333 per second. ... social media, and ad ...
In the United States, all radio and television broadcasting stations that are licensed by the Federal Communications Commission (FCC) are assigned official, distinct call signs. Organized broadcasting began in the U.S. in the early 1920s on the AM band — FM and television did not exist yet.