Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6LAS callsign genealogy
Currently held by DERDEVANIS, GUS 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 W6LAS's current licensee, walking backwards.
- DERDEVANIS, PHILIPCAgranted 2005-12-07cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held W6LAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6LAS, oldest first.
- DERDEVANIS, GUS S CA1994-12-28 → cancelled 1999-12-06
- DERDEVANIS, PHILIP CA2016-01-28 active