Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS4U callsign genealogy
Currently held by PERKINS, JAMES 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 NS4U's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NS4U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS4U, oldest first.
- PERKINS, JAMES W AL1996-05-09 → cancelled 2008-05-10
- Mahaney, Thomas S GA2018-03-22 active