Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6DDL callsign genealogy
Currently held by Lu, Diane 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 W6DDL's current licensee, walking backwards.
- Lu, Diane SCAgranted 2022-07-01cancelled 2022-07-19
Successor callsigns
Callsigns held now by people who previously held W6DDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DDL, oldest first.
- VAUGHAN, JAMES E E CA1995-03-15 → cancelled 2007-03-16
- Lu, Diane S CA2022-07-19 active