Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DUD callsign genealogy
Currently held by DUDLEY, CHRISTOPHER A
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 W4DUD's current licensee, walking backwards.
- DUDLEY, CHRISTOPHER AKYgranted 2019-09-20cancelled 2019-10-08
Successor callsigns
Callsigns held now by people who previously held W4DUD.
No current licensee on record previously held this callsign.