Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4RJ callsign genealogy
Currently held by ROBERT, ROLAND J
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 KK4RJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK4RJ.
- RODIN, EUGENEFLgranted 1988-07-05cancelled 2000-07-06