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Topic: hf
Definition:

  • a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals
  • used in filaments for its ready emission of electrons 3 to 30 megahertz

    Related tag cloud:

    • Resources:

    H.F. Radio On Board
    Retail sales and service of marine SSB and amateur (HAM) radio and marine E-mail equipment.
    http://www.hfradio.com/

    HF Holidays
    Offering guided walking and hiking holidays throughout Great Britain and many other destinations in Europe.
    http://www.hfholidays.co.uk

    OurWorld
    Over 100,000 home pages. One of the largest communities on the Web.
    http://ourworld.compuserve.com

    University of Utah
    Department of Mathematics
    http://www.math.utah.edu/