Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4ZIB callsign genealogy
Currently held by ALRED, ROGER 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 KN4ZIB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KN4ZIB.
- ALRED, ROGER SALgranted 2019-11-13cancelled 2024-07-30