Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3UJA callsign genealogy
Currently held by Suwabe, Naoko
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 N3UJA's current licensee, walking backwards.
- SUWABE, NAOKOPAgranted 2007-10-24cancelled 2007-11-14
Successor callsigns
Callsigns held now by people who previously held N3UJA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3UJA, oldest first.
- GROUP, FREDERICK R PA1995-02-01 → cancelled 2007-02-02
- Suwabe, Naoko PA2017-10-04 active