Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4HER callsign genealogy
Currently held by Kalman, Earl K
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 KJ4HER's current licensee, walking backwards.
- Kalman, Earl KFLgranted 2005-11-10cancelled 2008-10-14
Successor callsigns
Callsigns held now by people who previously held KJ4HER.
- Kalman Sr, Earl KFLgranted 2022-02-15