Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3JK callsign genealogy
Currently held by KALINOSKI, JOSEPH
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 K3JK's current licensee, walking backwards.
- Klokis, John APAgranted 2002-02-27cancelled 2008-02-09
Successor callsigns
Callsigns held now by people who previously held K3JK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3JK, oldest first.
- KALINOSKI, JOSEPH MD1996-12-17 → cancelled 1999-11-13
- KLOKIS, JOHN A PA2017-11-13 active