Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4EYH callsign genealogy
Currently held by Petry, Michael C
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 N4EYH's current licensee, walking backwards.
- Petry, Michael CFLgranted 2023-12-13cancelled 2024-02-27
Successor callsigns
Callsigns held now by people who previously held N4EYH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4EYH, oldest first.
- PETRY, EUGENE U FL1994-09-28 → cancelled 2006-09-29
- Petry, Michael C FL2024-02-27 active