Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DUD callsign genealogy
Currently held by DUDLEY, RUSSELL 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 K7DUD's current licensee, walking backwards.
- DUDLEY, RUSSELL RORgranted 2014-06-23cancelled 2014-12-30
Successor callsigns
Callsigns held now by people who previously held K7DUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DUD, oldest first.
- ADAY, ALVIN H OR1994-05-31 → cancelled 2006-06-01
- DUDLEY, RUSSELL R OR2024-10-30 active