Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1JUD callsign genealogy
Currently held by Judycki, Stephen
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 N1JUD's current licensee, walking backwards.
- Judycki, StephenMAgranted 2023-11-02cancelled 2025-08-05
Successor callsigns
Callsigns held now by people who previously held N1JUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1JUD, oldest first.
- CAPONI, ARTHUR B MA2011-04-28 → cancelled 2023-07-25
- Judycki, Stephen MA2025-08-05 active