Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC7UDL callsign genealogy
Currently held by STOKES, JOHN W
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 KC7UDL's current licensee, walking backwards.
- Stokes, John WAZgranted 2014-03-11cancelled 2014-04-15
Successor callsigns
Callsigns held now by people who previously held KC7UDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7UDL, oldest first.
- STOKES, JOHN W AZ1997-01-14 → cancelled 2009-01-15
- Stokes, John W AZ2014-04-15 → cancelled 2026-04-16