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79-580: According to producer Richard Fatherley, Todd Storz was the inventor of the format, at his radio station KOWH in Omaha, Nebraska . Storz invented the format in the early 1950s, using the number of times a record was played on jukeboxes to compose a weekly list for broadcast. The format was commercially successful, and Storz and his father Robert, under the name of the Storz Broadcasting Company, subsequently acquired other stations to use

158-466: A call sign on the air to legally identify the operator or station. In some countries, the call sign assigned to the station must always be used, whereas in other countries, the call sign of either the operator or the station may be used. In certain jurisdictions, an operator may also select a "vanity" call sign although these must also conform to the issuing government's allocation and structure used for Amateur Radio call signs. Some jurisdictions require

237-456: A US citizen may operate under reciprocal agreements in Canada, but not a non-US citizen holding a US license. Many people start their involvement in amateur radio on social media or by finding a local club. Clubs often provide information about licensing, local operating practices, and technical advice. Newcomers also often study independently by purchasing books or other materials, sometimes with

316-441: A club or organization for a period of time before a higher class of license can be acquired. A reciprocal licensing agreement between two countries allows bearers of an amateur radio license in one country under certain conditions to legally operate an amateur radio station in the other country without having to obtain an amateur radio license from the country being visited, or the bearer of a valid license in one country can receive

395-464: A club or organization generally requires that an individual with a current and valid amateur radio license who is in good standing with the telecommunications authority assumes responsibility for any operations conducted under the club license or club call sign. A few countries may issue special licenses to novices or beginners that do not assign the individual a call sign but instead require the newly licensed individual to operate from stations licensed to

474-619: A fee to obtain such a vanity call sign; in others, such as the UK, a fee is not required and the vanity call sign may be selected when the license is applied for. The FCC in the U.S. discontinued its fee for vanity call sign applications in September 2015, but replaced it as $ 35 in 2022. Call sign structure as prescribed by the ITU consists of three parts which break down as follows, using the call sign ZS1NAT as an example: Many countries do not follow

553-561: A given period of time. In addition to contests, a number of amateur radio operating award schemes exist, sometimes suffixed with "on the Air", such as Summits on the Air , Islands on the Air, Worked All States and Jamboree on the Air . Amateur radio operators may also act as citizen scientists for propagation research and atmospheric science . Radio transmission permits are closely controlled by nations' governments because radio waves propagate beyond national boundaries, and therefore radio

632-520: A national licensing process and may instead require prospective amateur radio operators to take the licensing examinations of a foreign country. In countries with the largest numbers of amateur radio licensees, such as Japan, the United States, Thailand, Canada, and most of the countries in Europe, there are frequent license examinations opportunities in major cities. Granting a separate license to

711-432: A nuisance. The use of "ham" meaning "amateurish or unskilled" survives today sparsely in other disciplines (e.g. "ham actor"). The amateur radio community subsequently began to reclaim the word as a label of pride, and by the mid-20th century it had lost its pejorative meaning. Although not an acronym or initialism, it is often written as "HAM" in capital letters. The many facets of amateur radio attract practitioners with

790-472: A number after to indicate the political region; prefix CY indicates geographic islands. Prefix VA1 or VE1 is Nova Scotia , VA2 / VE2 is Quebec , VA3 / VE3 is Ontario , VA4 / VE4 is Manitoba , VA5 / VE5 is Saskatchewan , VA6 / VE6 is Alberta , VA7 / VE7 is British Columbia , VE8 is the Northwest Territories , VE9 is New Brunswick , VY0

869-424: A persistent sinus condition and migraine headaches, and bring him closer to the woman who soon become his second wife–station WQAM's receptionist. But the changes were short-lived. On April 13, 1964, Todd Storz was found dead at his Miami Beach home. He was about three and a half weeks shy of his 40th birthday. The coroner's report cited “pulmonary congestion and edema” and “marked coronary and aortic narrowing” as

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948-409: A pool of at least 350. To pass, 26 of the 35 questions must be answered correctly. The Extra Class exam has 50 multiple choice questions (drawn randomly from a pool of at least 500), 37 of which must be answered correctly. The tests cover regulations, customs, and technical knowledge, such as FCC provisions, operating practices, advanced electronics theory, radio equipment design, and safety. Morse Code

1027-506: A programming "disconnect" on what the stations were doing that he once asked KXOK manager Jack Sampson if the station "could play some Lawrence Welk from time to time, or a lively Sousa march in the morning." The managers humored him and did whatever they could to keep the elder Storz from changing the established programming elements that had made the Storz organization so successful. But they could only do so much as their own influence waned in

1106-440: A role in getting the U.S. Air Force's Strategic Air Command (SAC) headquarters to relocate to Omaha in 1957. SAC's huge and growing payroll portended good business for Storz beer. Having no interest in the beer business, however, young Todd Storz was far more attracted to the potential of broadcast radio. He built a crude AM radio crystal receiver when he was only eight, and from then on, was “hooked” on radio. In 1940 Todd passed

1185-469: A sales position at KFAB—and to marry Elizabeth Ann Trailer. In mid-April 1949, Robert and Todd Storz announced their purchase of KOWH-AM and its FM companion outlet KOAD from the owners of the Omaha World Herald. The elder Storz was named president and his son became vice-president and general manager. For the first two years under Storz management, KOWH followed industry practice and offered

1264-436: A separate license and a call sign in another country, both of which have a mutually-agreed reciprocal licensing approvals. Reciprocal licensing requirements vary from country to country. Some countries have bilateral or multilateral reciprocal operating agreements allowing hams to operate within their borders with a single set of requirements. Some countries lack reciprocal licensing systems. Others use international bodies such as

1343-427: A shift from a 'programming company' to a 'money company.' “ That is a succinct description of the shift in the Storz stations' focus that transpired after Todd's death. Unfortunately, Robert Storz neither understood nor acknowledged that Top-40 programming was central to the success of the company Todd had run. Instead, the senior Storz complained that station managers were spending too much money. Indeed, he had such

1422-418: A varied “conglomeration of programming” that resulted in only four percent of Omaha homes listening even once to the station in a sample week. By mid-1951 however, KOWH began to turn around as Todd observed that audience ratings rose when recorded music was played but declined when talk shows were aired. He concluded that listeners wanted most to hear hit records. By the fall of 1953, all of KOWH's programming

1501-474: A very successful chain of American radio broadcasting stations and is generally credited with being the foremost innovator of the Top 40 radio format in 1951. The selection of records to be played was based on sales reported by record stores, an indication as to which would be of greatest interest to listeners. Only the favorites would be played, in rotation. Some sources also credit his Omaha radio station as among

1580-935: A weak signal. Todd Storz went on to buy WHB in Kansas City in 1954, WDGY in Minneapolis/St. Paul in January 1956, WQAM in Miami in May 1956, KOMA in Oklahoma City in 1958, and KXOK in St. Louis in 1960. Most of the later acquisitions enjoyed top-notch technical facilities. Storz could easily afford their purchase. Other station operators took notice of the Storz phenomenon and began to program similar tightly-formatted Top-40 music. In January 1961 Todd's wife of fourteen years filed for divorce. A month later Storz announced that

1659-551: A wide range of interests. Many amateurs begin with a fascination with radio communication and then combine other personal interests to make pursuit of the hobby rewarding. Some of the focal areas amateurs pursue include radio contesting , radio propagation study, public service communication , technical experimentation , and computer networking . Hobbyist radio enthusiasts employ a variety of transmission methods for interaction . The primary modes for vocal communications are frequency modulation (FM) and single sideband (SSB). FM

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1738-717: A year in the national capital and can be inordinately bureaucratic (for example in India) or challenging because some amateurs must undergo difficult security approval (as in Iran ). Currently, only Yemen and North Korea do not issue amateur radio licenses to their citizens. Some developing countries, especially those in Africa, Asia, and Latin America , require the payment of annual license fees that can be prohibitively expensive for most of their citizens. A few small countries may not have

1817-411: Is Nunavut , VY1 is Yukon , VY2 is Prince Edward Island , VO1 is Newfoundland , and VO2 is Labrador . CY is for amateurs operating from Sable Island (CY0) or St. Paul Island (CY9). Special permission is required to access either of these: from Parks Canada for Sable and Coast Guard for St. Paul. The last two or three letters of the call signs are typically the operator's choice (upon completing

1896-644: Is established by the International Telecommunication Union (ITU) through the Radio Regulations . National governments regulate technical and operational characteristics of transmissions and issue individual station licenses with a unique identifying call sign , which must be used in all transmissions. Amateur operators must hold an amateur radio license which is obtained by passing a government test demonstrating adequate technical radio knowledge and legal knowledge of

1975-604: Is in the Turks and Caicos Islands, VP6xxx is on Pitcairn Island, VP8xxx is in the Falklands, and VP9xxx is in Bermuda. Online callbooks or call sign databases can be browsed or searched to find out who holds a specific call sign. An example of an online callbook is QRZ.com . Non-exhaustive lists of famous people who hold or have held amateur radio call signs have also been compiled and published. Many jurisdictions (but not in

2054-520: Is no longer tested in the U.S. Once the exam is passed, the FCC issues an Amateur Radio license which is valid for ten years. Studying for the exam is made easier because the entire question pools for all license classes are posted in advance. The question pools are updated every four years by the National Conference of VECs. Prospective amateur radio operators are examined on understanding of

2133-466: Is of international concern. Both the requirements for and privileges granted to a licensee vary from country to country, but generally follow the international regulations and standards established by the International Telecommunication Union and World Radio Conferences . All countries that license citizens to use amateur radio require operators to display knowledge and understanding of key concepts, usually by passing an exam. The licenses grant hams

2212-522: Is recognized for its superior audio quality, whereas SSB is more efficient for long-range communication under limited bandwidth conditions. Radiotelegraphy using Morse code , also known as "CW" from " continuous wave ", is the wireless extension of landline (wired) telegraphy developed by Samuel Morse and dates to the earliest days of radio. Although computer-based (digital) modes and methods have largely replaced CW for commercial and military applications, many amateur radio operators still enjoy using

2291-419: Is similar to Voice over IP (VoIP), but augments two-way radio communications rather than telephone calls. EchoLink using VoIP technology has enabled amateurs to communicate through local Internet-connected repeaters and radio nodes, while IRLP has allowed the linking of repeaters to provide greater coverage area. Automatic link establishment (ALE) has enabled continuous amateur radio networks to operate on

2370-692: Is the Wireless Institute of Australia , formed in 1910; other notable societies are the Radio Society of Great Britain , the American Radio Relay League , Radio Amateurs of Canada , Bangladesh NGOs Network for Radio and Communication , the New Zealand Association of Radio Transmitters and South African Radio League . ( See Category:Amateur radio organizations ) An amateur radio operator uses

2449-684: Is typically found in the 70 cm (420–450 MHz) wavelength range, though there is also limited use on 33 cm (902–928 MHz), 23 cm (1240–1300 MHz) and shorter. These requirements also effectively limit the signal range to between 20 and 60 miles (30–100 km). Linked repeater systems, however, can allow transmissions of VHF and higher frequencies across hundreds of miles. Repeaters are usually located on heights of land or on tall structures, and allow operators to communicate over hundreds of miles using hand-held or mobile transceivers . Repeaters can also be linked together by using other amateur radio bands , landline , or

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2528-619: Is valid only in the country where it is issued or in another country that has a reciprocal licensing agreement with the issuing country. In some countries, an amateur radio license is necessary in order to purchase or possess amateur radio equipment. Amateur radio licensing in the United States exemplifies the way in which some countries award different levels of amateur radio licenses based on technical knowledge: three sequential levels of licensing exams (Technician Class, General Class, and Amateur Extra Class) are currently offered, which allow operators who pass them access to larger portions of

2607-539: The Billboard Hot 100 , time constraints allowed for the airing of only 40 songs; hence, the term "top 40" gradually became part of the vernacular associated with popular music. An article in the Spring 2012 issue of Nebraska History magazine offered this comment as to Todd Storz' legacy: "the radio revolution that Storz began with KOWH was already sweeping the nation. Thousands of radio station owners had realized

2686-724: The Internet . Amateur radio satellites can be accessed, some using a hand-held transceiver ( HT ), even, at times, using the factory "rubber duck" antenna. Hams also use the moon , the aurora borealis , and the ionized trails of meteors as reflectors of radio waves. Hams can also contact the International Space Station (ISS) because many astronauts are licensed as amateur radio operators. Amateur radio operators use their amateur radio station to make contacts with individual hams as well as participate in round-table discussion groups or "rag chew sessions" on

2765-548: The Internet . Amateur radio is officially represented and coordinated by the International Amateur Radio Union (IARU), which is organized in three regions and has as its members the national amateur radio societies which exist in most countries. According to an estimate made in 2011 by the American Radio Relay League (the American national amateur radio society), two million people throughout

2844-482: The high frequency bands with global coverage. Other modes, such as FSK441 using software such as WSJT , are used for weak signal modes including meteor scatter and moonbounce communications. Fast scan amateur television has gained popularity as hobbyists adapt inexpensive consumer video electronics like camcorders and video cards in PCs . Because of the wide bandwidth and stable signals required, amateur television

2923-687: The radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport , contesting , and emergency communications . The term "amateur" is used to specify "a duly authorized person interested in radioelectric practice with a purely personal aim and without pecuniary interest" (either direct monetary or other similar reward); and to differentiate it from commercial broadcasting , public safety (such as police and fire), or professional two-way radio services (such as maritime, aviation, taxis, etc.). The amateur radio service ( amateur service and amateur-satellite service )

3002-548: The 1970s. After years of declining audiences and revenues, the six Storz AM stations were sold between April 1984 and September 1985 for prices far below what they would have fetched during their heyday under Todd's guidance. The order in which the stations were sold, and their value in 2017 dollars is as follows: WTIX, New Orleans, $ 7,066,400; KOMA, Oklahoma City, $ 7,066,400; WDGY, Minneapolis, approximately $ 3,000,000; WHB, Kansas City, sale price not determined; KXOK, St. Louis, $ 4,710,933; and WQAM, Miami, $ 6,713,080. The decline of

3081-468: The 1980s onwards, different recording formats have competed with the 45 rpm vinyl record. This includes cassette singles , CD singles , digital downloads and streaming . Many music charts changed their eligibility rules to incorporate some, or all, of these. Some disc jockeys presenting Top 40 and similar format programs have been implicated in various payola scandals. Todd Storz Robert Todd Storz (May 8, 1924 – April 13, 1964) headed

3160-686: The Amateur Radio spectrum and more desirable (shorter) call signs. An exam, authorized by the Federal Communications Commission (FCC), is required for all levels of the Amateur Radio license. These exams are administered by Volunteer Examiners, accredited by the FCC-recognized Volunteer Examiner Coordinator (VEC) system. The Technician Class and General Class exams consist of 35 multiple-choice questions, drawn randomly from

3239-524: The CW mode—particularly on the shortwave bands and for experimental work, such as Earth–Moon–Earth communication , because of its inherent signal-to-noise ratio advantages. Morse, using internationally agreed message encodings such as the Q code , enables communication between amateurs who speak different languages. It is also popular with homebrewers and in particular with "QRP" or very-low-power enthusiasts, as CW-only transmitters are simpler to construct, and

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3318-661: The Federal Communications Commission (FCC) amateur ham radio license examination, and set up his receiver and transmitter on the third floor of the family home. Robert H. enrolled Todd at the prestigious Choate school in Connecticut, hoping that his son would pay more attention to academics than to radio. Instead, he became president of the Choate Radio Club. In 1942, he transferred to the University of Nebraska at Lincoln, where he put an unlicensed AM station on

3397-653: The ITU convention for the numeral. In the United Kingdom the original calls G0xxx, G2xxx, G3xxx, G4xxx, were Full (A) License holders along with the last M0xxx full call signs issued by the City & Guilds examination authority in December 2003. Additional Full Licenses were originally granted to (B) Licenses with G1xxx, G6xxx, G7xxx, G8xxx and 1991 onward with M1xxx call signs. The newer three-level Intermediate License holders are assigned 2E0xxx and 2E1xxx, and

3476-503: The Isle of Man, "GJ" & "MJ" are Jersey and "GU" & "MU" are Guernsey. Intermediate licence call signs are slightly different. They begin 2#0 and 2#1 where the # is replaced with the country letters as above. For example "2M0" and "2M1" are Scotland, "2W0" and "2W1" are Wales and so on. The exception however is for England. The letter "E" is used, but only in intermediate-level call signs. For example "2E0" & "2E1" are used whereas

3555-461: The Organization of American States to facilitate licensing reciprocity. When traveling abroad, visiting amateur operators must follow the rules of the country in which they wish to operate. Some countries have reciprocal international operating agreements allowing hams from other countries to operate within their borders with just their home country license. Other host countries require that

3634-581: The RF spectrum, usually allowing choice of an effective frequency for communications across a local, regional, or worldwide path. The shortwave bands, or HF , are suitable for worldwide communication, and the VHF and UHF bands normally provide local or regional communication, while the microwave bands have enough space, or bandwidth , for amateur television transmissions and high-speed computer networks . In most countries, an amateur radio license grants permission to

3713-411: The Storz Broadcasting Company is instructive because—as the saying goes--"It didn't have to be this way." If management had purchased FM facilities as the medium grew after 1970, and if inventive program directors and managers had been adequately supported, the company might have continued to be a programming innovator—not only retaining but further expanding its audience. Still, for nearly three decades,

3792-545: The Storz stations were the epitome of innovative, memorable, and delightful radio broadcasting. They were the most fun you could have with your ears. Not often acknowledged in the Origins of rock and roll , Storz' station, and others which adopted the Top 40 format, helped to promote the genre: by the mid 50s, the playlist included artists such as "Presley, Lewis, Haley, Berry and Domino". The Top 40 format eventually spread across

3871-428: The UK & Europe) may issue specialty vehicle registration plates to licensed amateur radio operators. The fees for application and renewal are usually less than the standard rate for specialty plates. In most administrations, unlike other RF spectrum users, radio amateurs may build or modify transmitting equipment for their own use within the amateur spectrum without the need to obtain government certification of

3950-479: The US. An article in the Spring 2012 issue of Nebraska History magazine offered this comment as to the importance of Storz' approach to programming: "the radio revolution that Storz began with KOWH was already sweeping the nation. Thousands of radio station owners had realized the enormous potential for a new kind of radio. When television became popular, social monitors predicted that radio would die. However, because of

4029-552: The United Kingdom and Australia, have begun requiring a practical assessment in addition to the written exams in order to obtain a beginner's license, which they call a Foundation License. In most countries, an operator will be assigned a call sign with their license. In some countries, a separate "station license" is required for any station used by an amateur radio operator. Amateur radio licenses may also be granted to organizations or clubs. In some countries, hams were allowed to operate only club stations. An amateur radio license

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4108-605: The air, though it was quickly shut down by the FCC. Todd enlisted in the Army in 1943 and served as a warrant officer junior grade in the Signal Corps. When he mustered out in 1946, he enrolled in a 12-week radio course sponsored by NBC and Northwestern University. Next, he took a low-paying “jack-of-all-trades” job at KWBW in Hutchinson, Kansas, to gain some commercial radio experience. He returned to Omaha in 1947 to take on

4187-763: The air. Some join in regularly scheduled on-air meetings with other amateur radio operators, called " nets " (as in "networks"), which are moderated by a station referred to as "Net Control". Nets can allow operators to learn procedures for emergencies, be an informal round table, or cover specific interests shared by a group. Amateur radio operators, using battery- or generator-powered equipment, often provide essential communications services when regular channels are unavailable due to natural disaster or other disruptive events . Many amateur radio operators participate in radio contests, during which an individual or team of operators typically seek to contact and exchange information with as many other amateur radio stations as possible in

4266-513: The basic Foundation License holders are granted call signs M3xxx, M6xxx or M7xxx. Instead of using numbers, in the UK the second letter after the initial 'G' or 'M' identifies the station's location; for example, a call sign G7OOE becomes GM7OOE and M0RDM becomes MM0RDM when that license holder is operating a station in Scotland. Prefix "GM" & "MM" are Scotland, "GW" & "MW" are Wales, "GI" & "MI" are Northern Ireland, "GD" & "MD" are

4345-446: The call signs beginning G or M for foundation and full licenses never use the "E". In the United States, for non-vanity licenses, the numeral indicates the geographical district the holder resided in when the license was first issued. Prior to 1978, US hams were required to obtain a new call sign if they moved out of their geographic district. In Canada, call signs start with VA, VE, VY, VO, and CY. Call signs starting with 'V' end with

4424-501: The classroom to teach English, map skills, geography, math, science, and computer skills. The term "ham" was first a pejorative term used in professional wired telegraphy during the 19th century, to mock operators with poor Morse code -sending skills (" ham-fisted "). This term continued to be used after the invention of radio and the proliferation of amateur experimentation with wireless telegraphy; among land- and sea-based professional radio operators, "ham" amateurs were considered

4503-435: The company had designated a Miami Beach building as the company's new national headquarters. In retrospect, there were several good reasons for Storz to move his home and office from Omaha to Miami Beach. Doing so would distance him from his failed marriage, remove him somewhat from his father's close scrutiny, provide him with a fresh location more in keeping with a modern, upbeat corporate identity, offer hoped-for relief from

4582-764: The early 20th century. The First Annual Official Wireless Blue Book of the Wireless Association of America , produced in 1909, contains a list of amateur radio stations. This radio callbook lists wireless telegraph stations in Canada and the United States, including 89 amateur radio stations. As with radio in general, amateur radio was associated with various amateur experimenters and hobbyists. Amateur radio enthusiasts have significantly contributed to science , engineering , industry, and social services . Research by amateur operators has founded new industries, built economies, empowered nations, and saved lives in times of emergency. Ham radio can also be used in

4661-498: The enormous potential for a new kind of radio. When television became popular, social monitors predicted that radio would die. However, because of the invention of Storz and others like him, radio would be reborn". Storz is credited by some sources as helping to popularize rock and roll music. By the mid-1950s, his station, and the numerous others which eventually adopted the Top 40 format, were playing records by artists such as " Presley , Lewis , Haley , Berry and Domino ". From

4740-408: The equipment. Licensed amateurs can also use any frequency in their bands (rather than being allocated fixed frequencies or channels) and can operate medium-to-high-powered equipment on a wide range of frequencies so long as they meet certain technical parameters including occupied bandwidth, power, and prevention of spurious emission . Radio amateurs have access to frequency allocations throughout

4819-508: The first to play at least some rock and roll records. Robert Todd Storz (known as Todd to avoid confusion with his father) was the grandson of Omaha brewer Gottlieb Storz . His father, Robert H. Storz, positioned himself as a “mover and shaker” in Omaha, Nebraska . He joined his eldest brother Adolph in running the Storz Brewing Company, and became active in local associations and activities. Indeed, Robert Storz played

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4898-423: The help of a mentor, teacher, or friend. In North America, established amateurs who help newcomers are often referred to as "Elmers", as coined by Rodney Newkirk, W9BRD, within the ham community. In addition, many countries have national amateur radio societies which encourage newcomers and work with government communications regulation authorities for the benefit of all radio amateurs. The oldest of these societies

4977-598: The host government's radio regulations. Radio amateurs are limited to a specific set of frequency bands, the amateur radio bands, allocated throughout the radio spectrum , but within these bands are allowed to transmit on any frequency using a variety of voice, text, image, and data communications modes. This enables communication across a city, region, country, continent, the world, or even into space. In many countries, amateur radio operators may also send, receive, or relay radio communications between computers or transceivers connected to secure virtual private networks on

5056-822: The human ear-brain signal processing system can pull weak CW signals out of the noise where voice signals would be totally inaudible. A similar "legacy" mode popular with home constructors is amplitude modulation (AM), pursued by many vintage amateur radio enthusiasts and aficionados of vacuum tube technology. Demonstrating a proficiency in Morse code was for many years a requirement to obtain an amateur license to transmit on frequencies below 30 MHz. Following changes in international regulations in 2003, countries are no longer required to demand proficiency. The United States Federal Communications Commission , for example, phased out this requirement for all license classes on 23 February 2007. Modern personal computers have encouraged

5135-406: The invention of Storz and others like him, radio would be reborn". Fatherley, Richard W., and MacFarland, David T.: The Birth of the Top 40 Radio Format. Jefferson, N.C.: McFarland & Company, Inc., Publishers, 2014. MacFarland, David T.: The Development of the Top 40 Radio Format. New York, N.Y.: Arno Press, 1979. Ham radio Amateur radio , also known as ham radio , is the use of

5214-570: The key concepts of electronics, radio equipment, antennas, radio propagation , RF safety, and the radio regulations of the government granting the license. These examinations are sets of questions typically posed in either a short answer or multiple-choice format. Examinations can be administered by bureaucrats , non-paid certified examiners, or previously licensed amateur radio operators. The ease with which an individual can acquire an amateur radio license varies from country to country. In some countries, examinations may be offered only once or twice

5293-440: The largest percentage of audience of any independent (non-network) radio outlet in the country. Playing popular music, and repeating the top-selling (“Top-40”) hits most often, was the main engine driving KOWH's phenomenal audience growth. This was the beginning of a radio revolution, which would soon expand to six other Storz stations, beginning with WTIX, New Orleans in 1953, which also became phenomenally successful despite having

5372-417: The license holder to own, modify, and operate equipment that is not certified by a governmental regulatory agency. This encourages amateur radio operators to experiment with home-constructed or modified equipment. The use of such equipment must still satisfy national and international standards on spurious emissions . Amateur radio operators are encouraged both by regulations and tradition of respectful use of

5451-585: The licensing test, the ham writes three most-preferred options). Two-letter call sign suffixes require a ham to have already been licensed for 5 years. Call signs in Canada can be requested with a fee. Also, for smaller geopolitical entities, the numeral may be part of the country identification. For example, VP2xxx is in the British West Indies, which is subdivided into VP2Exx Anguilla, VP2Mxx Montserrat, and VP2Vxx British Virgin Islands. VP5xxx

5530-551: The new Top 40 format. In 1989, Todd Storz was inducted into the Nebraska Broadcasters Association Hall of Fame. The term "Top 40", describing a radio format , appeared in 1960. The Top 40, whether surveyed by a radio station or a publication, was a list of songs that shared only the common characteristic of being newly released. Its introduction coincided with a transition from the old ten-inch 78 rpm record format for single "pop" recordings to

5609-892: The privilege to operate in larger segments of the radio frequency spectrum, with a wider variety of communication techniques, and with higher power levels relative to unlicensed personal radio services (such as CB radio , FRS , and PMR446 ), which require type-approved equipment restricted in mode, range, and power. Amateur licensing is a routine civil administrative matter in many countries. Amateurs therein must pass an examination to demonstrate technical knowledge, operating competence, and awareness of legal and regulatory requirements, in order to avoid interfering with other amateurs and other radio services. A series of exams are often available, each progressively more challenging and granting more privileges: greater frequency availability, higher power output, permitted experimentation, and, in some countries, distinctive call signs. Some countries, such as

5688-399: The probable causes. However, a second cause of death might have been barbiturate intoxication. The drug in question was Tuinal , which was sometimes prescribed to insomniacs to help induce sleep. Tuinal was known to be dangerous because the amount of the drug that induces drowsiness is only slightly less than the amount that can lead to death. But the specific cause of Todd's premature death

5767-486: The seven-inch vinyl 45 rpm format, introduced in 1949, which was outselling it by 1954 and soon replaced it completely in 1958. The Top 40 thereafter became a survey of the popularity of 45 rpm singles and their airplay on the radio. Some nationally syndicated radio shows, such as American Top 40 , featured a countdown of the 40 highest-ranked songs on a particular music or entertainment publication. Although such publications often listed more than 40 charted hits, such as

5846-497: The spectrum to use as little power as possible to accomplish the communication. This is to minimise interference or EMC to any other device. Although allowable power levels are moderate by commercial standards, they are sufficient to enable global communication. Lower license classes usually have lower power limits; for example, the lowest license class in the UK (Foundation licence) has a limit of 10 W. Power limits vary from country to country and between license classes within

5925-442: The use of digital modes such as radioteletype (RTTY) which previously required cumbersome mechanical equipment. Hams led the development of packet radio in the 1970s, which has employed protocols such as AX.25 and TCP/IP . Specialized digital modes such as PSK31 allow real-time, low-power communications on the shortwave bands but have been losing favor in place of newer digital modes such as FT8 . Radio over IP , or RoIP,

6004-461: The visiting ham apply for a formal permit, or even a new host country-issued license, in advance. The reciprocal recognition of licenses frequently not only depends on the involved licensing authorities, but also on the nationality of the bearer. As an example, in the US, foreign licenses are recognized only if the bearer does not have US citizenship and holds no US license (which may differ in terms of operating privileges and restrictions). Conversely,

6083-645: The world are regularly involved with amateur radio. About 830,000 amateur radio stations are located in IARU Region 2 (the Americas) followed by IARU Region 3 (South and East Asia and the Pacific Ocean) with about 750,000 stations. A significantly smaller number, about 400,000, are located in IARU Region 1 (Europe, Middle East, CIS , Africa). The origins of amateur radio can be traced to the late 19th century, but amateur radio as practised today began in

6162-460: Was being produced in-house, featuring local announcers, recorded popular music, and a wide array of promotional jingles. In an era when network and local radio were relying on a more staid variety of short programs designed to appeal to a specific slice of the available audience for a finite amount of time, the Storz operation offered a single program type—recorded hit music—during all of its broadcast hours. Ratings showed that KOWH's music appealed to

6241-420: Was never determined. Robert H. Storz took over the operation of the Storz Broadcasting Company, shifting the headquarters back to Omaha. With Todd gone, his vision, of how compelling radio could be, relied upon the station managers and staff he had trained. But, as former Storz station manager Deane Johnson later put it, “Todd's death [and the control of the radio stations falling to Todd's father] brought about

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