Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4ZI callsign genealogy
Currently held by BLAIR, FELIX 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 AK4ZI's current licensee, walking backwards.
- BLAIR, FELIX AFLgranted 2012-01-04cancelled 2012-11-16
Successor callsigns
Callsigns held now by people who previously held AK4ZI.
- BLAIR, FELIX ATXgranted 2018-11-24cancelled 2024-08-13