Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4YBB callsign genealogy
Currently held by Madison, Gary 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 K4YBB's current licensee, walking backwards.
- Madison, Scott EGAgranted 2012-05-04cancelled 2012-06-05
Successor callsigns
Callsigns held now by people who previously held K4YBB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4YBB, oldest first.
- KELLEY, JAMES M FL1998-09-15 → cancelled 2007-03-23
- Madison, Gary E GA2009-05-29 → cancelled 2012-04-01
- Madison 644, Scott E GA2022-04-12 active