Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4BI callsign genealogy
Currently held by Stevens, Marcus A
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 KZ4BI's current licensee, walking backwards.
- Stevens, Marcus AGAgranted 2023-09-06cancelled 2023-10-13
Successor callsigns
Callsigns held now by people who previously held KZ4BI.
No current licensee on record previously held this callsign.