Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4FED callsign genealogy
Currently held by BUBECK, DAVID 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 W4FED's current licensee, walking backwards.
- BUBECK, DAVID MGAgranted 2003-04-16cancelled 2011-07-23
Successor callsigns
Callsigns held now by people who previously held W4FED.
- Dunlap, Micheal FSCgranted 2019-05-21
All historical holders
Every license row we've seen with the callsign W4FED, oldest first.
- Dunlap, Micheal F SC2008-09-03 → cancelled 2009-06-13
- BUBECK, DAVID M GA2021-05-24 active