Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9DOU callsign genealogy
Currently held by HURST, MATTHEW 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 KA9DOU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA9DOU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9DOU, oldest first.
- HURST, ELLIS IN1992-04-21 → cancelled 2004-04-22
- HURST, MATTHEW E IN2018-03-30 active