Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WU7J callsign genealogy
Currently held by ALDRICH, ROBERT J
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 WU7J's current licensee, walking backwards.
- Saito, HidekiWAgranted 2002-10-28cancelled 2006-04-18
Successor callsigns
Callsigns held now by people who previously held WU7J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WU7J, oldest first.
- ALDRICH, ROBERT J WA1988-11-01 → cancelled 2000-11-02
- Saito, Hideki WA2026-01-24 active