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37-534: WERV-FM (95.9 MHz " 95.9 The River ") is a commercial radio station , licensed to Aurora, Illinois , and serving the western suburbs of Chicago . It is owned by Alpha Media , through licensee Alpha Media Licensee LLC. WERV-FM has a classic alternative radio format . WERV-FM has an effective radiated power (ERP) of 2,850 watts . The studios and transmitter are on Plain Avenue in Aurora. This station

74-547: A classic alternative format, retaining the "River" name; the first song under the relaunched format was " Today " by Chicago-founded band The Smashing Pumpkins . 41°46′08″N 88°16′01″W  /  41.769°N 88.267°W  / 41.769; -88.267 Hertz The hertz (symbol: Hz ) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle ) per second . The hertz

111-520: A hard rock gold format. NextMedia sold WERV-FM and their 32 other radio stations to Digity, LLC at a price of $ 84,975,200; the transaction was consummated on February 10, 2014. Effective February 25, 2016, Digity and its 124 radio stations were acquired by Alpha Media for $ 264 million. Personalities heard on The River include Scott Mackay, Nick Jakusz, Mitch Michaels , Leslie Harris and Scott Childers. On May 24, 2024, at 2   p.m., after playing " Right Now " by Van Halen , WERV-FM relaunched with

148-567: A soft AC format, as "Lite Mix", with the branding changing to "K-Lite" in 1989. The station continued to air this format into the early 1990s. In 1992, WKKD-FM became the flagship radio station for the Kane County Cougars baseball team. In 1993, the station adopted an oldies format, and was branded "Pure Gold 96". WKKD-FM was again part of a simulcast with WKKD AM 1580. In 1998 the station changed its branding to "Kool 95.9", while continuing to air an oldies format. In 2000,

185-546: A former on-air personality at one of the affected stations in Brookings, South Dakota, stated that the Alpha Media stations where the former personalities were employed "would be switching from local programming to national syndication." Another described this as "destroying anything that is unique and of value for local listeners and instead providing things they can already get from many other sources." Alpha Media owns

222-552: A more detailed treatment of this and the above frequency ranges, see Electromagnetic spectrum . Gravitational waves are also described in Hertz. Current observations are conducted in the 30–7000 Hz range by laser interferometers like LIGO , and the nanohertz (1–1000 nHz) range by pulsar timing arrays . Future space-based detectors are planned to fill in the gap, with LISA operating from 0.1–10 mHz (with some sensitivity from 10 μHz to 100 mHz), and DECIGO in

259-499: Is an SI derived unit whose formal expression in terms of SI base units is s , meaning that one hertz is one per second or the reciprocal of one second . It is used only in the case of periodic events. It is named after Heinrich Rudolf Hertz (1857–1894), the first person to provide conclusive proof of the existence of electromagnetic waves . For high frequencies, the unit is commonly expressed in multiples : kilohertz (kHz), megahertz (MHz), gigahertz (GHz), terahertz (THz). Some of

296-477: Is the photon's energy, ν is its frequency, and h is the Planck constant . The hertz is defined as one per second for periodic events. The International Committee for Weights and Measures defined the second as "the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium -133 atom" and then adds: "It follows that

333-452: Is usually measured in kilohertz (kHz), megahertz (MHz), or gigahertz (GHz). with the latter known as microwaves . Light is electromagnetic radiation that is even higher in frequency, and has frequencies in the range of tens of terahertz (THz, infrared ) to a few petahertz (PHz, ultraviolet ), with the visible spectrum being 400–790 THz. Electromagnetic radiation with frequencies in the low terahertz range (intermediate between those of

370-590: The Jackson, Mississippi radio market. In September, 2013, L&L definitively agreed to purchase an additional 5 stations in Columbia, South Carolina from YMF Media . On April 17, 2014, L&L Broadcasting announced that it has agreed to merge with Alpha Broadcasting, while purchasing the stations of Main Line Broadcasting . On October 10, 2014, Alpha Media announced that it will be purchasing

407-449: The 0.1–10 Hz range. In computers, most central processing units (CPU) are labeled in terms of their clock rate expressed in megahertz ( MHz ) or gigahertz ( GHz ). This specification refers to the frequency of the CPU's master clock signal . This signal is nominally a square wave , which is an electrical voltage that switches between low and high logic levels at regular intervals. As

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444-468: The 1970s. In some usage, the "per second" was omitted, so that "megacycles" (Mc) was used as an abbreviation of "megacycles per second" (that is, megahertz (MHz)). Sound is a traveling longitudinal wave , which is an oscillation of pressure . Humans perceive the frequency of a sound as its pitch . Each musical note corresponds to a particular frequency. An infant's ear is able to perceive frequencies ranging from 20 Hz to 20 000  Hz ;

481-698: The COVID-19 pandemic as part of the decision. The company had plans to shed most of its debt and restructure agreements with its lenders. Starting in May 2024, Alpha Media began laying off on-air personalities in several of its markets, starting with a round of cuts at stations in Farmington/Festus and Moberly, Missouri. Later in the month, stations in Minnesota, Iowa and South Dakota were also targeted for layoffs of on-air personnel. A social media post by

518-527: The Salter family sold WKKD AM and FM, as well as WRWC in Rockford, Illinois , to RadioWorks for $ 6.5 million, plus $ 1.5 million in consulting and non-compete agreements . In 2001 WKKD-FM and AM were sold to NextMedia Group for $ 3.4 million. On January 25, 2001, the station became "95.9 The River", airing a classic hits format with the slogan "Rock 'N Roll Favorites for the 'Burbs". The station's call sign

555-476: The average adult human can hear sounds between 20 Hz and 16 000  Hz . The range of ultrasound , infrasound and other physical vibrations such as molecular and atomic vibrations extends from a few femtohertz into the terahertz range and beyond. Electromagnetic radiation is often described by its frequency—the number of oscillations of the perpendicular electric and magnetic fields per second—expressed in hertz. Radio frequency radiation

592-440: The event being counted may be a complete cycle); 100 Hz means "one hundred periodic events occur per second", and so on. The unit may be applied to any periodic event—for example, a clock might be said to tick at 1 Hz , or a human heart might be said to beat at 1.2 Hz . The occurrence rate of aperiodic or stochastic events is expressed in reciprocal second or inverse second (1/s or s ) in general or, in

629-449: The hertz has become the primary unit of measurement accepted by the general populace to determine the performance of a CPU, many experts have criticized this approach, which they claim is an easily manipulable benchmark . Some processors use multiple clock cycles to perform a single operation, while others can perform multiple operations in a single cycle. For personal computers, CPU clock speeds have ranged from approximately 1 MHz in

666-413: The highest normally usable radio frequencies and long-wave infrared light) is often called terahertz radiation . Even higher frequencies exist, such as that of X-rays and gamma rays , which can be measured in exahertz (EHz). For historical reasons, the frequencies of light and higher frequency electromagnetic radiation are more commonly specified in terms of their wavelengths or photon energies : for

703-616: The hyperfine splitting in the ground state of the caesium 133 atom is exactly 9 192 631 770  hertz , ν hfs Cs = 9 192 631 770  Hz ." The dimension of the unit hertz is 1/time (T ). Expressed in base SI units, the unit is the reciprocal second (1/s). In English, "hertz" is also used as the plural form. As an SI unit, Hz can be prefixed ; commonly used multiples are kHz (kilohertz, 10  Hz ), MHz (megahertz, 10  Hz ), GHz (gigahertz, 10  Hz ) and THz (terahertz, 10  Hz ). One hertz (i.e. one per second) simply means "one periodic event occurs per second" (where

740-459: The late 1970s ( Atari , Commodore , Apple computers ) to up to 6 GHz in IBM Power microprocessors . Various computer buses , such as the front-side bus connecting the CPU and northbridge , also operate at various frequencies in the megahertz range. Higher frequencies than the International System of Units provides prefixes for are believed to occur naturally in the frequencies of

777-669: The quantum-mechanical vibrations of massive particles, although these are not directly observable and must be inferred through other phenomena. By convention, these are typically not expressed in hertz, but in terms of the equivalent energy, which is proportional to the frequency by the factor of the Planck constant . The CJK Compatibility block in Unicode contains characters for common SI units for frequency. These are intended for compatibility with East Asian character encodings, and not for use in new documents (which would be expected to use Latin letters, e.g. "MHz"). Alpha Media It

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814-564: The radio stations of Triad Broadcasting for $ 21 million; the deal, involving 32 stations in 5 radio markets, closed in May 2013, and transfer was finalized in June 2013. L&L immediately arranged for the 6 stations in the Fargo, North Dakota market to be sold to Jim Ingstad. In August 2013, L&L arranged to buy, from YMF Media ( Yucaipa Companies and Earvin "Magic" Johnson ), the six stations formerly owned by Inner City Broadcasting in

851-685: The remaining stations owned by Buckley Broadcasting in Bakersfield and Merced, California . These were the last stations remaining to be divested by Buckley, which had begun to sell off its radio assets in 2008. The purchase of the Buckley stations was consummated on December 31, 2014, at a price of $ 5.8 million. On January 1, 2015, Alpha Media began an LMA on the Access.1 stations in Shreveport, Louisiana and Tyler/Longview, Texas. The purchase

888-564: The rules for capitalisation of a common noun ; i.e., hertz becomes capitalised at the beginning of a sentence and in titles but is otherwise in lower case. The hertz is named after the German physicist Heinrich Hertz (1857–1894), who made important scientific contributions to the study of electromagnetism . The name was established by the International Electrotechnical Commission (IEC) in 1935. It

925-496: The sale of stations formerly a part of the CBS Radio Portland cluster with those of Rose City Radio. On April 17, 2014, L&L Broadcasting announced that it has agreed to merge with Alpha, while purchasing the stations of Main Line Broadcasting . The combined entity became known as Alpha Media. The broadcasting group was sometimes referred to as Live and Local . L&L was formed in 2012 to buy all but two of

962-413: The specific case of radioactivity , in becquerels . Whereas 1 Hz (one per second) specifically refers to one cycle (or periodic event) per second, 1 Bq (also one per second) specifically refers to one radionuclide event per second on average. Even though frequency, angular velocity , angular frequency and radioactivity all have the dimension T , of these only frequency is expressed using

999-518: The stations under local marketing agreements shortly afterward. However, the sale of the Savannah, Georgia stations will not be filed with the FCC until August 2019, with Dick operating them under an LMA for the time being. The sale, at a price of $ 5,000,000, was consummated on December 1, 2022. On January 24, 2021, Alpha Media filed for Chapter 11 bankruptcy protection, blaming several factors caused by

1036-480: The unit hertz. Thus a disc rotating at 60 revolutions per minute (rpm) is said to have an angular velocity of 2 π  rad/s and a frequency of rotation of 1 Hz . The correspondence between a frequency f with the unit hertz and an angular velocity ω with the unit radians per second is The hertz is named after Heinrich Hertz . As with every SI unit named for a person, its symbol starts with an upper case letter (Hz), but when written in full, it follows

1073-403: The unit's most common uses are in the description of periodic waveforms and musical tones , particularly those used in radio - and audio-related applications. It is also used to describe the clock speeds at which computers and other electronics are driven. The units are sometimes also used as a representation of the energy of a photon , via the Planck relation E  =  hν , where E

1110-490: Was adopted by the General Conference on Weights and Measures (CGPM) ( Conférence générale des poids et mesures ) in 1960, replacing the previous name for the unit, "cycles per second" (cps), along with its related multiples, primarily "kilocycles per second" (kc/s) and "megacycles per second" (Mc/s), and occasionally "kilomegacycles per second" (kMc/s). The term "cycles per second" was largely replaced by "hertz" by

1147-464: Was changed back to WKKD, and the two stations became part of a partial simulcast. The station aired an adult contemporary format, branded as "classic hits", playing music from the 1960s, 1970s, and 1980s. Throughout the 1980s, WKKD was originally used on a local access channel in Naperville throughout its AC days on Jones Intercable until the summer of 1988. In the late 1980s, the station aired

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1184-444: Was changed to WERV-FM shortly thereafter. The classic hits format on WERV-FM leaned toward classic rock : its playlist stressed the rock hits of the 1980s, 1990s and early 2000s such as Van Halen , U2 and Bon Jovi , but did not play pop and dance artists such as Michael Jackson , Madonna or Whitney Houston , heard on most classic hits stations. On July 15, 2006, the station debuted an HD-2 station branded "The Rapids!", airing

1221-487: Was consummated on April 14, 2015, at a price of $ 13.75 million. Effective February 1, 2017 Alpha transferred control of KFRO to a new owner, and returned operation of KCUL-FM , and KSYR to Access.1. Effective May 1, 2015, Alpha Media acquired four stations and a translator in the Fredericksburg, Virginia market from The Free Lance-Star , at a price of $ 8.1 million. On August 17, 2015, Alpha Media announced it

1258-556: Was formed from the merger of Alpha Broadcasting , L&L Broadcasting , and Main Line Broadcasting on July 1, 2014. It owns its radio stations through Alpha Media Licensee, LLC . At its formation, it owned 68 radio stations in 12 markets, along with two theatres (in Portland and San Antonio) and a digital marketing firm in Peoria, Illinois. Alpha Broadcasting was founded in 2009 in Portland, Oregon by Larry Wilson, arising from

1295-441: Was part of a simulcast with WKKD AM 1580. Bill Blough hosted a country music program in the station's first years. Chicago weathercaster Tom Skilling began his career at WKKD, c.  1966 , while he attended high school in Aurora. By 1968, the simulcast had ended. WKKD-FM was branded "The Golden Sounds". The station aired a beautiful music format in the 1970s and into the early 1980s. In late 1983, AM 1580's call sign

1332-591: Was purchasing Palm Springs , California radio stations KDES-FM and KPSI-FM ("Mix 100.5"). While the purchase price was not originally announced, the transaction was consummated on December 29, 2015 at a price of $ 3 million. On February 25, 2016, Alpha Media acquired Digity, LLC for $ 264 million, adding 116 stations in 26 markets to its portfolio for a total of 251. In September 2017, Alpha Media announced that it would sell its clusters in Savannah, Kinston/New Bern/Jacksonville, and Myrtle Beach, to Dick Broadcasting Corporation for $ 19.5 million. Dick assumed control of

1369-455: Was the radio dream of WLS Radio announcer, emcee , and engineer Russ Salter, who put this station (then WKKD-FM); along with WKKD AM 1580 on the air. WKKD 1580 debuted on September 21, 1960, and WKKD-FM on February 12, 1961. The station's call sign stood for Kane , Kendall and DuPage , which were the primary counties in its coverage area. Both stations' studios, transmitters and towers were at 1880 Plain Avenue in Aurora. The station

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