Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6DDM callsign genealogy
Currently held by GLASS, RUSTON L
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 W6DDM's current licensee, walking backwards.
- GLASS, RUSTON LCAgranted 2013-09-24cancelled 2015-12-08
Successor callsigns
Callsigns held now by people who previously held W6DDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DDM, oldest first.
- WHEELER, JOSEPH W CA1994-09-15 → cancelled 2006-09-16
- GLASS, RUSTON L CA2025-11-29 active