A shortwave radio receiver is a radio receiver that can receive one or more shortwave bands, between 1.6 and 30 MHz. A shortwave radio receiver often receives other broadcast bands, such as FM radio, Longwave and Mediumwave. Shortwave radio receivers are often used by dedicated hobbyists called shortwave listeners.

While home built shortwave receivers had been used by amateur radio operators and radio experimenters prior to World War I,[1][2] the first time shortwave radio reception was available to the general public was through the use of shortwave frequency converters sold as accessories to broadcast-band radio sets during the mid 1920s. Such converters were generally found unsatisfactory in performance, and so dedicated shortwave receiving sets soon appeared on the market. National Radio Company introduced the SW-2 "Thrill box" shortwave regenerative receiver in 1927, and later offered improved models, such as the highly regarded SW-3. Other notable early shortwave receivers included Pilot Radio's "Super Wasp" line of regenerative receivers.[3]


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E.H. Scott Radio Laboratories offered its superheterodyne "World's Record" shortwave receiver kit in the late 1920s,[4][3] and In 1931 Hammarlund introduced the "Comet Pro", the first fully assembled commercial shortwave superheterodyne receiver.[5] Hallicrafters introduced the "Super Skyrider" in 1935, a superheterodyne shortwave receiver available in several different models that covered the broadcast band up to 30 MHz.[3] In 1936, Hammarlund introduced their "Super-Pro" superheterodyne shortwave receiver.[6]

Superheterodyne receiver circuits soon essentially replaced all previous receiver designs, and radio manufacturers such as RCA, Zenith, Philco, Emerson, and Stromberg-Carlson offered consumers table or console model "all wave" sets that could receive both mediumwave and shortwave bands. By 1936 it was estimated that 100 percent of console models and 65 percent of table model radios were able to receive shortwave broadcasts.[3]

Following development of several prototypes between 1939 and 1941, Zenith introduced the Model 7G605 Trans-Oceanic 'Clipper' in 1942, an early portable shortwave receiver marketed to consumers.[7][8] Shortwave receiver designs had traditionally employed vacuum tubes, but solid state circuit designs began to emerge in the 1950s. The Magnavox model AW-100 was introduced in 1957 and was among the first commercial fully transistorized shortwave radio receivers,[9] along with the Trans-Oceanic Royal 1000 (1957)[10][11][12] and Trans-World Portable T-9 Code 126 (1958).[13]

As shortwave receivers evolved, they gained a number of improvements over their early counterparts. Direct digital tuning eliminated the guesswork and imprecision inherent in analog tuners. Solid state components minimized frequency drift. Synchronous detection improved audio fidelity and stability. And miniaturization of components along with integrated circuits enabled the manufacture of small, portable shortwave receivers with adequate sensitivity to deliver satisfactory shortwave reception.[14]

Modern battery-operated portable shortwave radio receivers often called world radio or world band receivers are marketed primarily to those wishing to receive international broadcasts, and are offered in a range of compact "travel size" to smaller "pocket size" units.[15]

Shortwave receivers known as communications receivers are typically larger table top sets used in amateur radio, commercial, and military installations, and by serious hobbyists. They typically include features that enable increased sensitivity and selectivity.[16]

Radios for shortwave reception generally have higher performance than those intended for the local mediumwave, longwave or FM broadcast band, since dependable reception of shortwave signals requires a radio with increased sensitivity, selectivity, dynamic range and frequency stability. Modern shortwave radio receivers are relatively inexpensive and easily accessible, and many hobbyists use portable "world band" receivers and built-in telescopic antennas. Serious hobbyists may use communications receivers and outdoor antenna located away from electrical noise sources, such as a dipole made from wire and insulators.

The typical shortwave radio receiver design is a superheterodyne receiver. Software-defined radios replace one or more stages of a superheterodyne receiver with digital signal processing for filtering, demodulation or other processing.

A well equipped shortwave radio receiver can receive CW and SSB modes in addition to the AM mode traditionally used by broadcasters. Some modern shortwave radio receivers can receive digital radio signals.

Some receivers only tune within frequency bands allocated by international agreement. This may be necessary in some countries where restrictive laws prevent persons from listening to non-broadcast stations. Others offer continuous tuning over the whole shortwave frequency range, allowing the user to listen to amateur radio, marine, air, and utility stations as well as broadcasters.

Tuners on analog receivers may include a bandspread control to allow accurate tuning of closely spaced frequencies. Receivers with digital tuning usually allow direct entry of frequencies with sufficient accuracy and precision so as not to require additional fine-tuning adjustment.

A feature coming into wide use in modern shortwave receivers is DSP technology, short for digital signal processing. DSP is the use of digital means to process signals, and a primary benefit in shortwave receivers is the ability to tailor the bandwidth of the receiver to current reception conditions and to the type of signal being listened to. A typical analogue-only receiver may have a limited number of fixed bandwidths, or only one, but a DSP receiver may have 40 or more individually selectable filters.[19]

Older vacuum tube-based communications receivers are affectionately known as boatanchors for their large size and weight. Such receivers include the Collins R-390 and R-390A, the RCA AR-88, the Racal RA-17L and the Marconi Elettra. However, even modern solid-state receivers can be very large and heavy, such as the Plessey PR2250, the Redifon R551 or the Rohde & Schwarz EK070.[21]

Includes unlimited streaming via the free Bandcamp app, plus high-quality downloads of Reimagined by Joseph Minadeo, Forage / Presence, Auriemma, (an) Exterior, Black Lake, The Next Wait, Zimiamvian Night 3, Relaxation Tape for Solo Space Travel, and 55 more. , and , . Purchasable with gift card Buy Digital Discography $221 USD or more (50% OFF) Send as Gift  Compact Disc, 2006 reissue, edition of 800 copies Compact Disc (CD) + Digital Album      6 panel digipak, Infraction reissue of the 1996 release on Instinct Ambient. 


 Includes unlimited streaming of World Receiver via the free Bandcamp app, plus high-quality download in MP3, FLAC and more. $(".buyItem .bd").last().bcTruncate(TruncateProfile.get("buyItem"), "more", "less"); Sold Out   Share / Embed   1. Inter Link 10:33 2. Health Loop 08:18 3. Elevator Drops 09:35 4. Background Story 08:15 5. Invitable Colour 08:09 6. Mood Swing 08:48 7. Smile 10:03 about First, this is not a new release or a new reissue. This is the 2006 reissue of Tetsu Inoue's seminal ambient album "World Receiver" being offered for the first time here on bandcamp. 


Contrary to some stories that are circulating on the internet, Tetsu Inoue is or was a real person and a real artist. He collaborated with many from Namlook, Andrew Deutsch, Taylor Deupree, Jonah Sharp, Bill Laswell and Uwe Schmidt (Atom tm, Atom Heart) to name just a few. Those collaborations and solo projects extend from the early 90's to around 2007 where the full-length solo recording "Inland" was issued on FAX records. Tetsu remains elusive and has not been heard of for a number of years. Speculations vary wildly, and the theories of Tetsu's disappearance are not worth going into detail here. I would like to think he is just being reclusive and is happy and well somewhere on this earth. 


Those familiar with Tetsu's work need no introduction to this release. This was arguably his finest release, collaborative or otherwise. He has an impressive discography with the 2350 Broadway series, Ambiant Otaku, Organic Cloud, Masters of Psychedelic Ambience, Inland, Yolo and the more challenging Waterloo Terminal & Psycho Acoustic releases. What makes "World Receiver" special was the integration of atmospheres from Inoue's early works and the addition of the many sounds sampled from across the globe, presumably acquired by Tetsu during his travels. Like any seminal release, the year of inception is irrelevant - as this does not sound like 1996, 2006 or 2018 for that matter. 


Noah Jurcin aka Phonaut wrote this in the liner notes on the reissue : 


The first time I heard World Receiver, it went over my head. After all, it was only the previous year that I had been introduced to Tetsu Inoue's music. By that time, Inoue had already completed a trilogy of solo efforts as well as host of full length albums in collaboration with other artists. These were mostly deep analog ambient sessions documented across more than two dozen cryptically decorated releases on Pete Namlook's Faxlabel in Germany. During the immersive 2350 Broadway and Shades of Orion sessions, Inoue developed a personal musical language which helped him create a rich, emotional listening experience while at the same time showcasing the outer sonic limits of synthesizers and samplers. At that time ambient music was experiencing a prolific renaissance period, an explosion of material resulting in a bewildering spectrum of all different sounds and fractured styles. Meanwhile, Inoue was also working with a number of other labels from all over the world and collaborating with other musicians including : Taylor Deupree, Andrew Deutsch, Haroumi Hosono, Bill Laswell, Ikue Mori, Uwe Schmidt, Jonah Sharp, Carl Stone and Stephen Vitiello. In the context of the rest of Inoue's discography, World Receiver emerged at an interesting time. It was on the cusp of marking the relative end of his earlier analog (and more ambient) works and the later digital recordings. World Receiver was essentially the first recording to effectively bridge these two types together. It is a triumph of a seamless marriage of field recordings and studio composition. Despite the underexposure from the initial release, some have said that World Receiver is arguably one of the most important electronic recordings to have ever been issued. When I listen to this album, I still discover new sounds and passages that were not readily apparent to me before. It remains dynamic and inspiring a decade after its inception. I hope it brings you as much satisfaction as it has brought me over the years."


Available now digitally. $(".tralbum-about").last().bcTruncate(TruncateProfile.get("tralbum_about"), "more", "less"); credits released December 6, 2006 


Produced by : Tetsu Inoue & Ingrid Baier


P&C Infraction Music & Tetsu Inoue 1996 & 2006 

music.hyperreal.org/artists/tetsu

 www.infractionrecords.com


 Special Thanks to : 


Takeshi Kawana

Kwanatron Ring Modulator

Charles Uzzell-Edwards

Pete Namlook

Atom Heart

Bill Laswell

Noah Jurcin

Haroumi Hosono


Environmental Recordings : 


Japan

Thailand

Pakistan

Germany

U.S.A.


Free Tibet. $(".tralbum-credits").last().bcTruncate(TruncateProfile.get("tralbum_long"), "more", "less"); license all rights reserved tags Tags ambient tetsu inoue classic ambient drone experimental haunting soundscape United States Shopping cart subtotal USD taxes calculated at checkout Check out about Infraction 17dc91bb1f

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