Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA6UU callsign genealogy
Currently held by PARK, SANG-HYUCK
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 AA6UU's current licensee, walking backwards.
- PARK, SANG-HYUCKCAgranted 2019-01-31cancelled 2023-03-17
Successor callsigns
Callsigns held now by people who previously held AA6UU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA6UU, oldest first.
- LEMING, VERNON L CA2009-12-23 → cancelled 2022-03-22
- PARK, SANG-HYUCK CA2023-03-17 active