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SESK: Stuff Everyone Should Know · sesk.info/ham-coax-common-feed-line

Why is coaxial cable the most common amateur radio feed line?

Coax is easy to use and needs few special installation considerations.

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  1. It always has the least loss
  2. It always handles the most power
  3. It is easy to install and use ✔

Why: Coax is convenient to route and use in many station installations. It is not automatically the lowest-loss, highest-power, or least-expensive feed line.

Huh, didn't know that: Coax contains a center conductor surrounded by insulation and an outer shield.

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Coax became popular because it was easy to get along the line.
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References

Answer: It is easy to install and use. Coax is convenient to route and use in many station installations. It is not automatically the lowest-loss, highest-power, or least-expensive feed line.

  1. NCVEC 2026-2030 Technician Question Pool www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    It is easy to use and requires few special installation considerations
    Checked 2026-10-09.

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