Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3KJR callsign genealogy
Currently held by Petry, John 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 W3KJR's current licensee, walking backwards.
- Petry, John CPAgranted 2016-02-19cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held W3KJR.
No current licensee on record previously held this callsign.