Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DFN callsign genealogy
Currently held by NOBLE, DON F
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 W4DFN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4DFN.
No current licensee on record previously held this callsign.