Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DEF callsign genealogy
Currently held by Flaherty, David E
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 W6DEF's current licensee, walking backwards.
- Flaherty, David ECAgranted 2012-02-08cancelled 2013-03-30
Successor callsigns
Callsigns held now by people who previously held W6DEF.
- Farmer, Dale ECAgranted 2008-04-29cancelled 2017-07-21
All historical holders
Every license row we've seen with the callsign W6DEF, oldest first.
- Farmer, Dale E CA2004-06-11 → cancelled 2008-04-29
- Flaherty, David E CA2023-02-14 active