Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9SXO callsign genealogy
Currently held by STONE, SUE A
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 K9SXO's current licensee, walking backwards.
- STONE, SUE AILgranted 2013-07-26cancelled 2013-08-16
Successor callsigns
Callsigns held now by people who previously held K9SXO.
No current licensee on record previously held this callsign.