Confidence: Medium · Source: FCC ULS · As of 2026-09-09
N6SDC callsign genealogy
Currently held by SEITZ, JOSEPH L
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 N6SDC's current licensee, walking backwards.
- Seitz, Joseph LCAgranted 2021-11-12cancelled 2021-12-04
Successor callsigns
Callsigns held now by people who previously held N6SDC.
- SEITZ, JOSEPH LCAgranted 2024-09-14
All historical holders
Every license row we've seen with the callsign N6SDC, oldest first.
- SHELTON, NAOMA R CA1998-01-27 → cancelled 2010-01-28
- SEITZ, JOSEPH L CA2021-12-04 → cancelled 2024-09-14