Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4DXW callsign genealogy
Currently held by UNIVERSITY OF MIAMI HEALTH SYSTEM ARS
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 KK4DXW'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 KK4DXW.
- K4UMHactiveUNIVERSITY OF MIAMI HEALTH SYSTEM ARSTXgranted 2021-11-10