SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ham-shared-frequency-interference

Two stations on the same frequency interfere with each other. What should happen?

They should negotiate continued use of the frequency.

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  1. Whoever was there first has preemptive rights
  2. They should negotiate continued use of the frequency ✔
  3. Both use sub-audible tones to share it

Why: No one owns an amateur frequency, and being there first gives no special rights. The stations talk it over politely and agree who uses it.

Huh, didn't know that: Good practice is to listen first, then ask if the frequency is in use before you call.

The dad joke
Why did two hams go to couples counseling? They kept talking over each other.
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References

Answer: They should negotiate continued use of the frequency. No one owns an amateur frequency, and being there first gives no special rights. The stations talk it over politely and agree who uses it.

  1. 2026-2030 Technician Class Question Pool, T2B08 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    The stations should negotiate continued use of the frequency
    Checked 2026-10-09.

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