SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ham-echolink-radio-free-access

Which protocol can initiate a repeater transmission without using a radio?

EchoLink can let an authenticated user connect through internet software.

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  1. IRLP
  2. EchoLink ✔
  3. DMR

Why: EchoLink software can connect a licensed amateur to participating stations through the internet. The user does not need a radio to initiate that linked transmission.

Huh, didn't know that: EchoLink also supports connections involving radios, repeaters, and simplex links.

The dad joke
EchoLink repeated itself online. It said that sounded familiar.
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References

Answer: EchoLink. EchoLink software can connect a licensed amateur to participating stations through the internet. The user does not need a radio to initiate that linked transmission.

  1. NCVEC 2026-2030 Technician Question Pool www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    D. EchoLink
    Checked 2026-10-09.

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