SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/hamg-sixty-meter-bandwidth

What is the maximum bandwidth for a USB signal on 60 meters?

2.8 kHz.

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  1. 5.6 kHz
  2. 3 kHz
  3. 2.8 kHz ✔

Why: On 60 meters, all emissions must fit within 2.8 kHz. That is a little narrower than a typical 3 kHz voice signal.

Huh, didn't know that: Current rules allow 60 meter operation in the 5351.5 to 5366.5 kHz segment plus four single channels.

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References

Answer: 2.8 kHz. On 60 meters, all emissions must fit within 2.8 kHz. That is a little narrower than a typical 3 kHz voice signal.

  1. NCVEC 2023-2027 General Class Pool and Syllabus (6th Errata, Feb 4 2026) ncvec.org/downloads/General%20Class%20Pool%20and%20Syllabus%202023-2027%20Public%20Release%20with%206th%20Errata%20Feb%204%202026.pdf
    2.8 kHz
    Checked 2026-10-10.
  2. 47 CFR 97.303 (Cornell LII mirror of eCFR) www.law.cornell.edu/cfr/text/47/97.303
    amateur stations may transmit only in the 5351.5-5366.5 kHz band and on the four center frequencies
    Checked 2026-10-10.

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