Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4EEV callsign genealogy
Currently held by ZOLNO, MICHAEL R
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 N4EEV's current licensee, walking backwards.
- ZOLNO, MICHAEL RGAgranted 2014-08-27cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held N4EEV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4EEV, oldest first.
- ZOLNO, MICHAEL R GA2017-04-11 active
- SANDIFER JR, PRESTON M— → cancelled 1997-08-21