Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1TZ callsign genealogy
Currently held by Nelson, Thomas
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 AC1TZ's current licensee, walking backwards.
- Nelson, ThomasMAgranted 2024-10-12cancelled 2025-03-31
Successor callsigns
Callsigns held now by people who previously held AC1TZ.
- Nelson, ThomasMAgranted 2026-05-22