Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0ZEF callsign genealogy
Currently held by Simo, Daniel
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 N0ZEF's current licensee, walking backwards.
- Simo, DanielPAgranted 2011-12-15cancelled 2012-01-21
Successor callsigns
Callsigns held now by people who previously held N0ZEF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0ZEF, oldest first.
- SIMO, DANIEL CO1994-05-24 → cancelled 2006-05-25
- Simo, Daniel PA2012-01-21 → cancelled 2024-01-23