Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4PPA callsign genealogy
Currently held by Nam, Yun S
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 KK4PPA's current licensee, walking backwards.
- Nam, Yun SVAgranted 2018-08-03cancelled 2018-08-24
Successor callsigns
Callsigns held now by people who previously held KK4PPA.
- Fairley, Ronald DALgranted 2013-03-18cancelled 2025-03-19
All historical holders
Every license row we've seen with the callsign KK4PPA, oldest first.
- Fairley, Ronald D AL2013-03-18 → cancelled 2013-05-16
- Nam, Yun S VA2018-08-24 active