Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SDS callsign genealogy
Currently held by Smith, 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 N4SDS's current licensee, walking backwards.
- Smith, Samuel DSCgranted 2004-09-13cancelled 2006-05-19
Successor callsigns
Callsigns held now by people who previously held N4SDS.
- WILHELM, RICHARD GFLgranted 1989-10-24cancelled 2001-10-25