Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RBO callsign genealogy
Currently held by BRANNON, JOHN D
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 W4RBO's current licensee, walking backwards.
- BRANNON, JOHN DFLgranted 1997-09-18cancelled 2000-07-28
Successor callsigns
Callsigns held now by people who previously held W4RBO.
No current licensee on record previously held this callsign.