Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4YBZ callsign genealogy
Currently held by CARSON JR, LARRY 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 KK4YBZ's current licensee, walking backwards.
- CARSON JR, LARRY DVAgranted 2012-12-07cancelled 2014-02-10
- KD4GZOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KK4YBZ.
- CARSON JR, LARRY DAAgranted 2012-12-07cancelled 2016-12-09