Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ACK callsign genealogy
Currently held by Wang, Qian
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 K6ACK's current licensee, walking backwards.
- Turcu, AlexandruSDgranted 2021-08-20cancelled 2024-01-20
Successor callsigns
Callsigns held now by people who previously held K6ACK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ACK, oldest first.
- Wang, Qian CA2011-12-30 → cancelled 2024-01-03
- Turcu, Alexandru SD2024-01-20 active