Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0UPG callsign genealogy
Currently held by De Stefano, Nicholas N
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 K0UPG's current licensee, walking backwards.
- De Stefano, Nicholas NILgranted 2009-07-02cancelled 2018-07-21
Successor callsigns
Callsigns held now by people who previously held K0UPG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0UPG, oldest first.
- COLLER, JOE W IA2014-03-19 → cancelled 2016-07-02
- De Stefano, Nicholas N IA2018-07-21 active