Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4AUS callsign genealogy
Currently held by MATTHEWS, JASON S
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 K4AUS's current licensee, walking backwards.
- MATTHEWS, JASON SFLgranted 2004-01-06cancelled 2008-11-25
Successor callsigns
Callsigns held now by people who previously held K4AUS.
No current licensee on record previously held this callsign.