Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU4R callsign genealogy
Currently held by WARDEN, ROBERT 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 KU4R's current licensee, walking backwards.
- WARDEN, ROBERT ATNgranted 1991-11-05cancelled 2000-06-23
- KA2HKNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KU4R.
- CLINE, GEORGE BVIgranted 2007-04-10cancelled 2017-03-16