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Antennas & Feedlines

Feedlines & SWR

Coaxial and open-wire feeders, impedance matching, SWR, baluns and antenna tuners.

Practise this topic
6% of the exam4 questions in the bank

Lessons

  • SWR: what it actually means

    Standing waves, why 1:1 is the ideal, what a high reading really costs you, and what an antenna tuner does and does not fix.

    9 min