Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0NUU callsign genealogy
Currently held by WEEKS, RALPH E
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 KC0NUU's current licensee, walking backwards.
- WEEKS, RALPH EMNgranted 2024-07-02cancelled 2024-08-16
Successor callsigns
Callsigns held now by people who previously held KC0NUU.
- WEEKS, RALPH EMNgranted 2024-09-04
All historical holders
Every license row we've seen with the callsign KC0NUU, oldest first.
- VORIS, MARK N NE2012-05-08 → cancelled 2024-07-27
- WEEKS, RALPH E MN2024-08-16 → cancelled 2024-09-04