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L band
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References
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Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.
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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement

L band

frequency band

Learn about this topic in these articles:

radar applications

  • Learn how a radar works
    In radar: Ballistic missile defense and satellite-surveillance radars

    …as Arrow, which employs an L-band (1- to 2-GHz) active-aperture phased-array radar.

    Read More