Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU4TZ callsign genealogy
Currently held by LYNESS, MICHAEL J
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 KU4TZ'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 KU4TZ.
- LYNESS, MICHAEL JKYgranted 2013-11-06cancelled 2026-03-06