Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0HUP callsign genealogy
Currently held by TUDER, RAY G
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 N0HUP's current licensee, walking backwards.
- Ruiz, Mark CCAgranted 2019-09-24cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held N0HUP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0HUP, oldest first.
- TUDER, RAY G TX1997-07-24 → cancelled 2009-07-25
- Ruiz, Mark C CA2019-11-13 active