Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4BZ callsign genealogy
Currently held by REINKE, CARL J
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 KK4BZ's current licensee, walking backwards.
- Martin, Duane HVAgranted 2016-03-01cancelled 2016-06-10
Successor callsigns
Callsigns held now by people who previously held KK4BZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4BZ, oldest first.
- REINKE, CARL J FL1996-11-26 → cancelled 2008-11-27
- Martin, Duane H VA2026-04-08 active