Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6WDF callsign genealogy
Currently held by Michael, Robert R
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 W6WDF's current licensee, walking backwards.
- Michael, Robert RCAgranted 2025-04-23cancelled 2025-05-30
Successor callsigns
Callsigns held now by people who previously held W6WDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6WDF, oldest first.
- WHITE SR, RENE M CA2008-09-20 → cancelled 2020-09-24
- Michael, Robert R CA2025-05-30 active