Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6FJU callsign genealogy
Currently held by Fischer, Doug
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 W6FJU's current licensee, walking backwards.
- Fischer, DougCAgranted 2017-03-06cancelled 2017-04-28
Successor callsigns
Callsigns held now by people who previously held W6FJU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6FJU, oldest first.
- JEWELL, DAVID E CA1999-03-08 → cancelled 2010-02-09
- Fischer, Doug CA2017-04-28 active