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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  3. Terrain awareness and warning system - Wikipedia

    en.wikipedia.org/wiki/Terrain_awareness_and...

    A Mode 5 warning in EGPWS alerts the pilots if they descend below the glideslope during a landing approach. Evolution to EGPWS & TAWS. After these rules were issued, advances in terrain mapping technology permitted the development of a new type of ground proximity warning system that provides greater situational awareness for flight crews.

  4. Raycom Sports - Wikipedia

    en.wikipedia.org/wiki/Raycom_Sports

    Raycom Sports is a Charlotte, North Carolina –based producer of sports television programs owned by Gray Television . It was founded in 1979 by husband and wife, Rick and Dee Ray. In the 1980s, Raycom Sports established a prominent joint venture with Jefferson-Pilot Communications which made them partners on the main Atlantic Coast Conference ...

  5. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...

  6. Waveguide - Wikipedia

    en.wikipedia.org/wiki/Waveguide

    Electric field Ex component of the TE31 mode inside an x-band hollow metal waveguide. A waveguide is a structure that guides waves by restricting the transmission of energy to one direction. Common types of waveguides include acoustic waveguides which direct sound, optical waveguides which direct light, and radio-frequency waveguides which ...

  7. Usher explained why he doesn't eat on Wednesdays and how he ...

    www.aol.com/news/usher-explained-why-doesnt-eat...

    The singer fasts every week. He begins the night before and makes sure he hydrates throughout his fast day. "I fast, not for religious purposes, but it’s something my grandmother practiced," he ...

  8. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    Audio headset. A typical call center/office headset. A headset is a combination of headphone and microphone. Headsets connect over a telephone or to a computer, allowing the user to speak and listen while keeping both hands free.

  9. A Guide to All the Pop Covers in 'Bridgerton' Season 3 - AOL

    www.aol.com/guide-pop-covers-bridgerton-season...

    Cover by Vitamin String Quartet. In the final moments of episode 3, Lord Debling asks Penelope to dance at a ball, as Colin watches in jealousy. They dance to a cover of Billie Eilish's "Happier ...