Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4RKQ callsign genealogy
Currently held by HAMRICK JR, CHARLES 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 KC4RKQ's current licensee, walking backwards.
- Hamrick Jr, Charles JSCgranted 2020-12-21cancelled 2021-01-19
Successor callsigns
Callsigns held now by people who previously held KC4RKQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4RKQ, oldest first.
- HAMRICK JR, CHARLES J SC2000-10-26 → cancelled 2012-10-03
- Hamrick Jr, Charles J SC2021-01-19 active