Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9KI callsign genealogy
Currently held by Blankenberger, Kenneth R
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 AC9KI's current licensee, walking backwards.
- Blankenberger, Kenneth RINgranted 2013-12-11cancelled 2015-01-02
Successor callsigns
Callsigns held now by people who previously held AC9KI.
No current licensee on record previously held this callsign.