Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6SDJ callsign genealogy
Currently held by JOSEPHS, SAMUEL D
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 N6SDJ's current licensee, walking backwards.
- JOSEPHS, SAMUEL DCAgranted 2016-11-07cancelled 2016-11-26
Successor callsigns
Callsigns held now by people who previously held N6SDJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6SDJ, oldest first.
- LINK, RICHARD G CA1988-05-10 → cancelled 2000-05-11
- JOSEPHS, SAMUEL D CA2016-11-26 active