Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC5ZO callsign genealogy
Currently held by Stuart, John M
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 AC5ZO's current licensee, walking backwards.
- STUART, JOHN MCAgranted 1998-01-06cancelled 2000-08-03
Successor callsigns
Callsigns held now by people who previously held AC5ZO.
- Stuart, John MNMgranted 2016-01-05cancelled 2017-04-06