Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3RRC callsign genealogy
Currently held by CLARK, RONALD R
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 K3RRC's current licensee, walking backwards.
- Clark, Ronald RPAgranted 2003-06-24cancelled 2010-02-23
Successor callsigns
Callsigns held now by people who previously held K3RRC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3RRC, oldest first.
- SELLERS, CHARLES N PA1995-01-17 → cancelled 2007-01-18
- CLARK, RONALD R PA2020-03-24 active