Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SUG callsign genealogy
Currently held by Matthew, Sharon E
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 K9SUG's current licensee, walking backwards.
- Matthew, Sharon ECOgranted 2003-06-11cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held K9SUG.
- Matthew, Sharon ENMgranted 2017-05-16