Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NU1J callsign genealogy
Currently held by TOEPFER, DIRK
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 NU1J's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NU1J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NU1J, oldest first.
- ALDRICH, STANLEY C NH1988-11-15 → cancelled 2000-11-16
- GARR, STEPHEN F MA2014-02-21 → cancelled 2026-03-07
- TOEPFER, DIRK FL2026-07-10 active