Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9PJK callsign genealogy
Currently held by Killian, Patrick 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 K9PJK's current licensee, walking backwards.
- Killian, Patrick JWIgranted 2003-09-26cancelled 2004-06-08
Successor callsigns
Callsigns held now by people who previously held K9PJK.
No current licensee on record previously held this callsign.