Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4CKH callsign genealogy
Currently held by Smokey Mountain Digital Hams
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 KJ4CKH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4CKH.
- N4XTZactiveSmokey Mountain Digital Hams. Inc.TNgranted 2018-04-03