Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9RAT callsign genealogy
Currently held by DeNeal, Steven
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 KA9RAT's current licensee, walking backwards.
- DeNeal, StevenWIgranted 2020-10-26cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held KA9RAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9RAT, oldest first.
- BOWLIN, ROBERT F IL1996-03-19 → cancelled 2008-03-20
- DeNeal, Steven WI2021-03-09 active