Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4BZT callsign genealogy
Currently held by HERBERT, SHELTON S
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 KB4BZT's current licensee, walking backwards.
- Herbert, Shelton SCAgranted 2006-08-21cancelled 2006-11-07
Successor callsigns
Callsigns held now by people who previously held KB4BZT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4BZT, oldest first.
- HERBERT, SHELTON S CA1994-03-01 → cancelled 2006-03-02
- Herbert, Shelton S NC2026-08-12 active