Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9AJR callsign genealogy
Currently held by Rehfeldt, Alan J
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 K9AJR's current licensee, walking backwards.
- Rehfeldt, Alan JWIgranted 2017-05-30cancelled 2017-08-08
Successor callsigns
Callsigns held now by people who previously held K9AJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9AJR, oldest first.
- LESAK, ROBERT L IL2002-04-09 → cancelled 2014-04-10
- Rehfeldt, Alan J WI2017-08-08 active