Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9ZQ callsign genealogy
Currently held by TSIAKKOURIS, STAVROS
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 AA9ZQ's current licensee, walking backwards.
- TSIAKKOURIS, STAVROSILgranted 2000-07-06cancelled 2000-07-07
Successor callsigns
Callsigns held now by people who previously held AA9ZQ.
- TSIAKKOURIS, STAVROS ACAgranted 2021-01-05