Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4CTC callsign genealogy
Currently held by RUIZ, ORLANDO G
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 KB4CTC's current licensee, walking backwards.
- Combs, Carol TNCgranted 2024-10-12cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held KB4CTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4CTC, oldest first.
- RUIZ, ORLANDO G FL1997-06-24 → cancelled 2009-06-25
- COMBS, CAROL T NC2025-01-11 active