Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3YZO callsign genealogy
Currently held by Wallace, David E
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 N3YZO's current licensee, walking backwards.
- Wallace, David EVAgranted 2016-09-21cancelled 2019-03-05
Successor callsigns
Callsigns held now by people who previously held N3YZO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3YZO, oldest first.
- EMSWILLER, JAMES M PA1997-03-31 → cancelled 2009-04-01
- Wallace, David E VA2019-03-05 active