Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX0S callsign genealogy
Currently held by Smith, William G
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 KX0S's current licensee, walking backwards.
- Smith, William GNEgranted 2009-10-06cancelled 2011-03-25
Successor callsigns
Callsigns held now by people who previously held KX0S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KX0S, oldest first.
- MORGAN, RICHARD E MN1998-12-15 → cancelled 2010-12-16
- Smith, William G NE2021-03-09 active