Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NU1D callsign genealogy
Currently held by Jones, Seth M
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 NU1D's current licensee, walking backwards.
- Jones, Seth MMEgranted 2023-04-04cancelled 2025-02-19
Successor callsigns
Callsigns held now by people who previously held NU1D.
- KOMATSU, EIJIILgranted 2023-01-28
All historical holders
Every license row we've seen with the callsign NU1D, oldest first.
- MARTIN, HART P CT1988-11-01 → cancelled 2000-11-02
- KOMATSU, EIJI IL2013-06-21 → cancelled 2023-01-28
- Jones, Seth M ME2025-02-19 active