Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SXO callsign genealogy
Currently held by KELLY, WILLIAM T
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 K1SXO's current licensee, walking backwards.
- KELLY, WILLIAM TNHgranted 2020-08-12cancelled 2023-05-19
Successor callsigns
Callsigns held now by people who previously held K1SXO.
No current licensee on record previously held this callsign.