Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4ZAI callsign genealogy
Currently held by Bryan Jr, Richard 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 KF4ZAI's current licensee, walking backwards.
- Bryan Jr., Richard FNCgranted 2021-02-22cancelled 2021-03-16
Successor callsigns
Callsigns held now by people who previously held KF4ZAI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4ZAI, oldest first.
- BRYAN JR, RICHARD F NC2008-12-23 → cancelled 2020-12-24
- Bryan Jr, Richard F NC2021-03-16 active