Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4RHL callsign genealogy
Currently held by SUNDARESAN, R
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 N4RHL's current licensee, walking backwards.
- Sundaresan, Raghul BNCgranted 2019-11-04cancelled 2019-11-26
Successor callsigns
Callsigns held now by people who previously held N4RHL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RHL, oldest first.
- LA RUE, RALPH J FL1997-06-18 → cancelled 2009-06-19
- SUNDARESAN, R NC2019-11-26 active