Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4RDC callsign genealogy
Currently held by MARTIN, SCOTT A
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 N4RDC's current licensee, walking backwards.
- CHANDLER, ROBERT DNCgranted 2014-03-28cancelled 2014-05-30
Successor callsigns
Callsigns held now by people who previously held N4RDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4RDC, oldest first.
- MARTIN, SCOTT A VA2000-06-27 → cancelled 2012-09-05
- CHANDLER, ROBERT D SC2024-04-16 active