Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AHA callsign genealogy
Currently held by CORNELL, STEVE H
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 K4AHA's current licensee, walking backwards.
- Tonnesen, TonneeGAgranted 2023-01-26cancelled 2023-02-28
Successor callsigns
Callsigns held now by people who previously held K4AHA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AHA, oldest first.
- CORNELL, STEVE H OH2010-08-28 → cancelled 2022-11-08
- Tonnesen, Tonnee GA2023-02-28 active