Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9UA callsign genealogy
Currently held by Carpenter, Steven C
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 K9UA's current licensee, walking backwards.
- Carpenter, Steven CWIgranted 2004-03-29cancelled 2007-12-07
Successor callsigns
Callsigns held now by people who previously held K9UA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9UA, oldest first.
- MENCEL, RICHARD W TX2002-11-19 → cancelled 2005-09-19
- Carpenter, Steven C WI2017-10-17 active