Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RIR callsign genealogy
Currently held by WILLIAMS, JOSEPH
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 K4RIR's current licensee, walking backwards.
- WILLIAMS, JOSEPHVAgranted 2002-01-10cancelled 2003-09-12
Successor callsigns
Callsigns held now by people who previously held K4RIR.
No current licensee on record previously held this callsign.