Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6KID callsign genealogy
Currently held by Thien, Aaron 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 W6KID's current licensee, walking backwards.
- Thien, Aaron SORgranted 2014-12-19cancelled 2017-10-06
Successor callsigns
Callsigns held now by people who previously held W6KID.
- DON CARLOS JR, JOHN ECAgranted 2025-06-07
All historical holders
Every license row we've seen with the callsign W6KID, oldest first.
- DON CARLOS JR, JOHN E CA2007-03-13 → cancelled 2015-07-17
- Thien, Aaron S OR2017-10-06 active