Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CVG callsign genealogy
Currently held by DONNERMEYER, MATTHEW
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 K4CVG's current licensee, walking backwards.
- DONNERMEYER, MATTHEWKYgranted 2014-08-15cancelled 2015-07-17
Successor callsigns
Callsigns held now by people who previously held K4CVG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CVG, oldest first.
- FEEZOR, WALTER B MN1987-10-20 → cancelled 1999-10-21
- DONNERMEYER, MATTHEW KY2025-04-22 active