Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1QQQ callsign genealogy
Currently held by Tso, Emil T
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 W1QQQ's current licensee, walking backwards.
- Tso, Emil TWAgranted 2009-09-02cancelled 2009-09-22
Successor callsigns
Callsigns held now by people who previously held W1QQQ.
No current licensee on record previously held this callsign.