Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0MUF callsign genealogy
Currently held by Pierson, Matthew C
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 K0MUF's current licensee, walking backwards.
- DORSEY, MATTTXgranted 2024-08-21cancelled 2024-09-10
Successor callsigns
Callsigns held now by people who previously held K0MUF.
- Pierson, Matthew CWIgranted 2019-12-13
All historical holders
Every license row we've seen with the callsign K0MUF, oldest first.
- Pierson, Matthew C CO2018-10-15 → cancelled 2019-12-13
- DORSEY, MATT TX2024-09-10 active