Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4ORG callsign genealogy
Currently held by KLECK, JEFFREY H
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 K4ORG's current licensee, walking backwards.
- KLECK, JEFFREY HCAgranted 2019-04-18cancelled 2024-03-15
Successor callsigns
Callsigns held now by people who previously held K4ORG.
No current licensee on record previously held this callsign.