Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4IB callsign genealogy
Currently held by GANN, MATTHEW F
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 KZ4IB's current licensee, walking backwards.
- GANN, MATTHEW FALgranted 2024-04-27cancelled 2024-05-29
Successor callsigns
Callsigns held now by people who previously held KZ4IB.
No current licensee on record previously held this callsign.