Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RHC callsign genealogy
Currently held by GRAHAM, RICHARD W
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 N4RHC's current licensee, walking backwards.
- CLARK JR, ROBERT HNCgranted 2009-12-17cancelled 2010-05-08
Successor callsigns
Callsigns held now by people who previously held N4RHC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RHC, oldest first.
- GRAHAM, RICHARD W NC1997-06-23 → cancelled 2009-06-24
- CLARK JR, ROBERT H NC2020-02-13 active