Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ5FJ callsign genealogy
Currently held by Moldenhauer III, Herbert L
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 KJ5FJ's current licensee, walking backwards.
- Moldenhauer III, Herbert LVAgranted 2014-05-16cancelled 2021-03-12
Successor callsigns
Callsigns held now by people who previously held KJ5FJ.
No current licensee on record previously held this callsign.