Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6STU callsign genealogy
Currently held by LIGGAN, STUART M
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 W6STU's current licensee, walking backwards.
- LIGGAN, STUART MCAgranted 2006-12-16cancelled 2014-12-30
Successor callsigns
Callsigns held now by people who previously held W6STU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6STU, oldest first.
- MATTHEWS, GLENIS E CA2004-07-27 → cancelled 2011-06-18
- LIGGAN, STUART M CA2024-10-25 active