Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KM6CNU callsign genealogy
Currently held by Sohn, Eric Y
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KM6CNU's current licensee, walking backwards.
- Sohn, Eric YCAgranted 2016-05-09cancelled 2023-12-27
Successor callsigns
Callsigns held now by people who previously held KM6CNU.
- Sohn, Eric YCAgranted 2016-05-09cancelled 2023-12-27
All historical holders
Every license row we've seen with the callsign KM6CNU, oldest first.
- Sohn, Eric Y CA2016-05-09 → cancelled 2022-07-26
- Sohn, Eric Y CA2023-12-27 active