Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4ZYI callsign genealogy
Currently held by FOWLER, EDWARD L
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 KB4ZYI's current licensee, walking backwards.
- FOWLER, EDWARD LMOgranted 2015-04-09cancelled 2015-05-01
Successor callsigns
Callsigns held now by people who previously held KB4ZYI.
- FOWLER, EDWARD LMOgranted 2015-04-09cancelled 2015-05-01
All historical holders
Every license row we've seen with the callsign KB4ZYI, oldest first.
- FOWLER, EDWARD L MO1998-09-23 → cancelled 2004-01-16
- FOWLER, EDWARD L MO2026-04-14 active