Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK9D callsign genealogy
Currently held by EBERHART, MALCOLM L
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 KK9D's current licensee, walking backwards.
- Jirschele, Dale LWIgranted 2008-09-20cancelled 2012-03-02
Successor callsigns
Callsigns held now by people who previously held KK9D.
- Jirschele, Dale LWIgranted 2008-09-20cancelled 2012-03-02
All historical holders
Every license row we've seen with the callsign KK9D, oldest first.
- EBERHART, MALCOLM L IN1996-08-13 → cancelled 2008-08-14
- Jirschele, Dale L WI2008-09-20 → cancelled 2010-04-23
- Jirschele, Dale L WI2022-01-31 active