Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB4ZUQ callsign genealogy
Currently held by Barfus Jr, Frederick O
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 WB4ZUQ's current licensee, walking backwards.
- BRANHAM, REBECCA LSCgranted 2013-06-10cancelled 2019-10-11
Successor callsigns
Callsigns held now by people who previously held WB4ZUQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4ZUQ, oldest first.
- Barfus Jr, Frederick O FL2003-06-18 → cancelled 2015-09-15
- BRANHAM, REBECCA L SC2019-10-11 active