Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4UZA callsign genealogy
Currently held by MACKLIN, JAMES O
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 KN4UZA's current licensee, walking backwards.
- MACKLIN, JAMES OTNgranted 2017-04-18cancelled 2019-06-11
Successor callsigns
Callsigns held now by people who previously held KN4UZA.
No current licensee on record previously held this callsign.