Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4LJK callsign genealogy
Currently held by Kalish, Leonard 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 K4LJK's current licensee, walking backwards.
- Kalish, Leonard JGAgranted 2003-03-07cancelled 2003-03-25
Successor callsigns
Callsigns held now by people who previously held K4LJK.
No current licensee on record previously held this callsign.