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- Trevor_Wadley abstract "Trevor Lloyd Wadley, (1920 – 21 May 1981) was a South African electrical engineer, best known for his development of the Wadley Loop circuit for greater stability in communications receivers.Born in Durban in 1920, Wadley trained at Howard College (now of the University of Natal) in his hometown, where he studied under Hugh Clark and Eric Phillips. He was known as a student for his habit of rarely, if ever, taking notes in lectures due to his near-eidetic memory. During World War II, he was recruited into the Special Signal Services and trained on the British RADAR project.After the war, Wadley joined South Africa's National Institute for Telecommunication Research as a designer of radio equipment and instrumentation. He developed an ionosonde for measuring Earth's ionosphere, and a ranging tellurometer. It was also here that he invented the Wadley Loop receiver, which allowed precision tuning over wide bands, a task that had previously required switching out multiple crystals. The Wadley Loop was first used in the Racal RA-17 a 1950s top of the range British military short wave receiver still considered one of the finest radio receivers ever made and later in the South African made commercially available "Barlow-Wadley XCR-30" radio. The Wadley Loop is more widely used today in spectrum analysers, where the noise sidebands of the analyser's tunable oscillator are cancelled since the spectrum analyser has to have sideband noise much lower than the signals being measured. The Wadley Loop effectively results in the noise of the spectrum analyser's band selection oscillator being cancelled so that the result equals that of the high Q crystal oscillator used to produce a "comb" of harmonics of the crystal ocillator frequency which is a fundamental feature of the design of the Loop. He also in vented the tellurometer, which could measure up to a distance of 80 km; it was used in land surveying. Today, it is used in a wide range of equipment but modified with current technology.He was awarded the Frank P. Brown Medal in 1970.".
- Trevor_Wadley birthDate "1920".
- Trevor_Wadley birthYear "1920".
- Trevor_Wadley deathDate "1981-05-21".
- Trevor_Wadley deathYear "1981".
- Trevor_Wadley wikiPageID "895290".
- Trevor_Wadley wikiPageLength "2966".
- Trevor_Wadley wikiPageOutDegree "26".
- Trevor_Wadley wikiPageRevisionID "660686097".
- Trevor_Wadley wikiPageWikiLink Category:1920_births.
- Trevor_Wadley wikiPageWikiLink Category:1981_deaths.
- Trevor_Wadley wikiPageWikiLink Category:People_from_Durban.
- Trevor_Wadley wikiPageWikiLink Category:South_African_electrical_engineers.
- Trevor_Wadley wikiPageWikiLink Category:South_African_inventors.
- Trevor_Wadley wikiPageWikiLink Category:South_African_people_of_British_descent.
- Trevor_Wadley wikiPageWikiLink Category:University_of_Natal_alumni.
- Trevor_Wadley wikiPageWikiLink Category:White_South_African_people.
- Trevor_Wadley wikiPageWikiLink Communications_receiver.
- Trevor_Wadley wikiPageWikiLink Durban.
- Trevor_Wadley wikiPageWikiLink Eidetic_memory.
- Trevor_Wadley wikiPageWikiLink Electrical_engineer.
- Trevor_Wadley wikiPageWikiLink Electrical_engineering.
- Trevor_Wadley wikiPageWikiLink Frank_P._Brown_Medal.
- Trevor_Wadley wikiPageWikiLink Ionosonde.
- Trevor_Wadley wikiPageWikiLink Ionosphere.
- Trevor_Wadley wikiPageWikiLink National_Institute_for_Telecommunication_Research.
- Trevor_Wadley wikiPageWikiLink Racal.
- Trevor_Wadley wikiPageWikiLink Radar.
- Trevor_Wadley wikiPageWikiLink South_Africa.
- Trevor_Wadley wikiPageWikiLink Special_Signal_Services.
- Trevor_Wadley wikiPageWikiLink Tellurometer.
- Trevor_Wadley wikiPageWikiLink United_Kingdom.
- Trevor_Wadley wikiPageWikiLink University_of_Natal.
- Trevor_Wadley wikiPageWikiLink Wadley_Loop.
- Trevor_Wadley wikiPageWikiLink World_War_II.
- Trevor_Wadley wikiPageWikiLinkText "Dr Trevor Lloyd Wadley".
- Trevor_Wadley wikiPageWikiLinkText "Dr. Trevor Lloyd Wadley".
- Trevor_Wadley wikiPageWikiLinkText "Trevor Lloyd Wadley".
- Trevor_Wadley wikiPageWikiLinkText "Trevor Wadley".
- Trevor_Wadley wikiPageWikiLinkText "Wadley, Trevor".
- Trevor_Wadley auto "yes".
- Trevor_Wadley date "December 2009".
- Trevor_Wadley dateOfBirth "1920".
- Trevor_Wadley dateOfDeath "1981-05-21".
- Trevor_Wadley hasPhotoCollection Trevor_Wadley.
- Trevor_Wadley name "Wadley, Trevor".
- Trevor_Wadley shortDescription "South African electrical engineer".
- Trevor_Wadley wikiPageUsesTemplate Template:Authority_control.
- Trevor_Wadley wikiPageUsesTemplate Template:Persondata.
- Trevor_Wadley wikiPageUsesTemplate Template:SouthAfrica-engineer-stub.
- Trevor_Wadley wikiPageUsesTemplate Template:Unreferenced_stub.
- Trevor_Wadley wikiPageUsesTemplate Template:Use_South_African_English.
- Trevor_Wadley wikiPageUsesTemplate Template:Use_dmy_dates.
- Trevor_Wadley description "South African electrical engineer".
- Trevor_Wadley description "South African electrical engineer".
- Trevor_Wadley subject Category:1920_births.
- Trevor_Wadley subject Category:1981_deaths.
- Trevor_Wadley subject Category:People_from_Durban.
- Trevor_Wadley subject Category:South_African_electrical_engineers.
- Trevor_Wadley subject Category:South_African_inventors.
- Trevor_Wadley subject Category:South_African_people_of_British_descent.
- Trevor_Wadley subject Category:University_of_Natal_alumni.
- Trevor_Wadley subject Category:White_South_African_people.
- Trevor_Wadley hypernym Engineer.
- Trevor_Wadley type Agent.
- Trevor_Wadley type Article.
- Trevor_Wadley type Person.
- Trevor_Wadley type Article.
- Trevor_Wadley type Person.
- Trevor_Wadley type Agent.
- Trevor_Wadley type NaturalPerson.
- Trevor_Wadley type Thing.
- Trevor_Wadley type Q215627.
- Trevor_Wadley type Q5.
- Trevor_Wadley type Person.
- Trevor_Wadley comment "Trevor Lloyd Wadley, (1920 – 21 May 1981) was a South African electrical engineer, best known for his development of the Wadley Loop circuit for greater stability in communications receivers.Born in Durban in 1920, Wadley trained at Howard College (now of the University of Natal) in his hometown, where he studied under Hugh Clark and Eric Phillips. He was known as a student for his habit of rarely, if ever, taking notes in lectures due to his near-eidetic memory.".
- Trevor_Wadley label "Trevor Wadley".
- Trevor_Wadley sameAs m.03mncc.
- Trevor_Wadley sameAs Q7839475.
- Trevor_Wadley sameAs Q7839475.
- Trevor_Wadley wasDerivedFrom Trevor_Wadley?oldid=660686097.
- Trevor_Wadley givenName "Trevor".
- Trevor_Wadley isPrimaryTopicOf Trevor_Wadley.
- Trevor_Wadley name "Trevor Wadley".
- Trevor_Wadley name "Wadley, Trevor".
- Trevor_Wadley surname "Wadley".