Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0YO callsign genealogy
Currently held by UNRUH, DONALD R
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 N0YO's current licensee, walking backwards.
- UNRUH, DONALD RKSgranted 1994-07-14cancelled 2003-02-28
Successor callsigns
Callsigns held now by people who previously held N0YO.
No current licensee on record previously held this callsign.