Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD3B callsign genealogy
Currently held by CERZOSIE, JOSEPH A
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 KD3B's current licensee, walking backwards.
- CERZOSIE, JOSEPH AKYgranted 2024-03-13cancelled 2025-04-11
Successor callsigns
Callsigns held now by people who previously held KD3B.
- GUNN, WILLIAM DMDgranted 2016-12-05
All historical holders
Every license row we've seen with the callsign KD3B, oldest first.
- Thomason, Rebecca N GA2013-02-21 → cancelled 2025-02-26
- CERZOSIE, JOSEPH A KY2025-04-11 active