Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4LK callsign genealogy
Currently held by RING, RAY C
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 KU4LK's current licensee, walking backwards.
- RING, RAY Ccancelled 1997-10-07
Successor callsigns
Callsigns held now by people who previously held KU4LK.
- RING, RAY CNCgranted 2010-12-08cancelled 2022-12-06