Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4RK callsign genealogy
Currently held by KIMBROUGH III, ROBERT H
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 KR4RK's current licensee, walking backwards.
- KIMBROUGH III, ROBERT HALgranted 2017-06-28cancelled 2018-09-28
Successor callsigns
Callsigns held now by people who previously held KR4RK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR4RK, oldest first.
- DE GRACIA JR, CARMINE J VA2006-01-31 → cancelled 2018-02-01
- KIMBROUGH III, ROBERT H AL2018-09-28 active