Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0UP callsign genealogy
Currently held by Schmitz, Stephen 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 N0UP's current licensee, walking backwards.
- Schmitz, Stephen JNEgranted 2000-03-23cancelled 2001-04-17
Successor callsigns
Callsigns held now by people who previously held N0UP.
No current licensee on record previously held this callsign.