Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4DZ callsign genealogy
Currently held by CARLISLE, MICHAEL E
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 KJ4DZ's current licensee, walking backwards.
- N4KYZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KJ4DZ.
- CARLISLE, MICHAEL EMSgranted 2019-05-23