Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NC4RH callsign genealogy
Currently held by Heath, Robert D
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 NC4RH's current licensee, walking backwards.
- Heath, Robert DNCgranted 2024-04-25cancelled 2025-06-06
Successor callsigns
Callsigns held now by people who previously held NC4RH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NC4RH, oldest first.
- HUFF, CLYDE R NC1999-03-11 → cancelled 2011-03-12
- Heath, Robert D NC2025-06-06 active