Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0VFX callsign genealogy
Currently held by GREENWALT, JOHN G
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 N0VFX's current licensee, walking backwards.
- GREENWALT, JOHN GWAgranted 2020-08-10cancelled 2020-09-01
Successor callsigns
Callsigns held now by people who previously held N0VFX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0VFX, oldest first.
- FRITZ, JOHN A MN1993-01-26 → cancelled 2005-01-27
- GREENWALT, JOHN G WA2020-09-01 active