Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4AZ callsign genealogy
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 KB4AZ's current licensee, walking backwards.
- Edwards, Joseph FTNgranted 2021-07-30cancelled 2021-08-28
Successor callsigns
Callsigns held now by people who previously held KB4AZ.
- SMITH, PAUL WFLgranted 2009-01-01cancelled 2021-04-01
All historical holders
Every license row we've seen with the callsign KB4AZ, oldest first.
- Edwards, Joseph F TN2021-08-28 active
- —— → cancelled 1999-03-31