Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A non-SI unit (symbol Jy) measuring electromagnetic flux density equal to 10-26 watts per square meter per hertz.

Etymologies

Named after radio astronomer Karl Guthe Jansky. (Wiktionary)

Examples

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  • Use to measure the strength of radio signals from space. A jansky is a non-SI unit of electromagnetic flux density equivalent to 10−26 watts per square meter per hertz.

    April 21, 2009