Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4KC callsign genealogy
Currently held by CRAIG, ARCHIBALD
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 AC4KC's current licensee, walking backwards.
- Stegbauer, Keith CWAgranted 2017-11-29cancelled 2018-01-06
Successor callsigns
Callsigns held now by people who previously held AC4KC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4KC, oldest first.
- CRAIG, ARCHIBALD SC1992-09-15 → cancelled 2004-09-16
- Stegbauer, Keith C WA2018-01-06 active