Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK6MU callsign genealogy
Currently held by IRVIN, DANIEL L
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 KK6MU's current licensee, walking backwards.
- Uhrik, Michael JCAgranted 2014-02-11cancelled 2017-05-16
Successor callsigns
Callsigns held now by people who previously held KK6MU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK6MU, oldest first.
- IRVIN, DANIEL L CA1992-06-30 → cancelled 2004-07-01
- Uhrik, Michael J CA2017-05-16 active