Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4STC callsign genealogy
Currently held by RICH, JAMES M
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 N4STC's current licensee, walking backwards.
- RADFORD, PHILLIP PFLgranted 2011-08-24cancelled 2013-06-28
Successor callsigns
Callsigns held now by people who previously held N4STC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4STC, oldest first.
- RICH, JAMES M VA1988-05-03 → cancelled 2000-05-04
- RADFORD, PHILLIP P FL2013-06-28 → cancelled 2025-07-01