Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK6PJ callsign genealogy
Currently held by Yoo, Sung Kun
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 AK6PJ's current licensee, walking backwards.
- Yoo, Sung KunCAgranted 2025-04-15cancelled 2025-08-11
Successor callsigns
Callsigns held now by people who previously held AK6PJ.
No current licensee on record previously held this callsign.