Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ5ZEN callsign genealogy
Currently held by LANGSTON, JACK
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 KJ5ZEN's current licensee, walking backwards.
- LANGSTON, JACKARgranted 2024-02-06cancelled 2024-03-16
Successor callsigns
Callsigns held now by people who previously held KJ5ZEN.
No current licensee on record previously held this callsign.