SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ham-rubber-duck-efficiency

What is one disadvantage of a short handheld antenna?

It has low efficiency compared with a full quarter-wave antenna.

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  1. It transmits only circular polarization
  2. It has low efficiency ✔
  3. It works only with analog signals

Why: A short flexible antenna is convenient but radiates less effectively than a full-sized quarter-wave antenna. Some transmitter power is lost instead of becoming useful radio waves.

Huh, didn't know that: A physically shorter antenna often needs loading to act electrically longer.

The dad joke
The short antenna stood tall in spirit, but not in efficiency.
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References

Answer: It has low efficiency. A short flexible antenna is convenient but radiates less effectively than a full-sized quarter-wave antenna. Some transmitter power is lost instead of becoming useful radio waves.

  1. NCVEC 2026-2030 Technician Question Pool www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    A. It has low efficiency
    Checked 2026-10-09.

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