Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0MUI callsign genealogy
Currently held by Weld Amateur Radio Society
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 KF0MUI's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF0MUI.
- K0OJactiveWeld Amateur Radio SocietyCOgranted 2023-07-11