Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ZB callsign genealogy
Currently held by MAHLER, BRUCE P
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 K1ZB's current licensee, walking backwards.
- MAHLER, BRUCE Pcancelled 1998-05-28
Successor callsigns
Callsigns held now by people who previously held K1ZB.
No current licensee on record previously held this callsign.