Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0ZFG callsign genealogy
Currently held by Butler, Allen J
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 N0ZFG's current licensee, walking backwards.
- Butler, Allen JNDgranted 2016-01-28cancelled 2017-11-10
Successor callsigns
Callsigns held now by people who previously held N0ZFG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0ZFG, oldest first.
- SYLVESTER, CONNIE L IA2004-10-08 → cancelled 2016-10-12
- Butler, Allen J ND2017-11-10 active