Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0NU callsign genealogy
Currently held by FORTNEY, CARL K
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 AD0NU's current licensee, walking backwards.
- FORTNEY, CARL KMOgranted 2011-12-13cancelled 2015-03-18
Successor callsigns
Callsigns held now by people who previously held AD0NU.
No current licensee on record previously held this callsign.