Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9PJJ callsign genealogy
Currently held by KYBURZ, TIMOTHY C
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 K9PJJ's current licensee, walking backwards.
- KYBURZ, TIMOTHY CFLgranted 2007-05-04cancelled 2008-03-25
Successor callsigns
Callsigns held now by people who previously held K9PJJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9PJJ, oldest first.
- KYBURZ, URBAN L IL2000-06-27 → cancelled 2005-11-01
- KYBURZ, TIMOTHY C GA2018-01-26 active