Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9PKK callsign genealogy
Currently held by YORK, STEVEN P
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 K9PKK's current licensee, walking backwards.
- YORK, STEVEN PILgranted 2015-09-26cancelled 2017-02-28
Successor callsigns
Callsigns held now by people who previously held K9PKK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9PKK, oldest first.
- BIRK JR, CARL P IL1997-05-22 → cancelled 2009-05-23
- YORK, STEVEN P IL2017-02-28 active