Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0NUE callsign genealogy
Currently held by GRENIER, JOHN E
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 KD0NUE's current licensee, walking backwards.
- GRENIER, JOHN ECOgranted 2007-05-31cancelled 2011-03-09
Successor callsigns
Callsigns held now by people who previously held KD0NUE.
- GRENIER, JOHN EWAgranted 2021-01-20