Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4ZBB callsign genealogy
Currently held by WHITTAKER, RONALD L
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 KB4ZBB's current licensee, walking backwards.
- WHITTAKER, RONALDFLgranted 2023-02-24cancelled 2023-04-25
Successor callsigns
Callsigns held now by people who previously held KB4ZBB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4ZBB, oldest first.
- WHITTAKER, RONALD L FL1996-11-22 → cancelled 2005-08-18
- WHITTAKER, RONALD FL2023-04-25 active