Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC2JH callsign genealogy
Currently held by Ulrich, Brett 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 AC2JH's current licensee, walking backwards.
- Ulrich, Brett JNYgranted 2012-06-20cancelled 2012-08-02
Successor callsigns
Callsigns held now by people who previously held AC2JH.
- Ulrich, Brett JNYgranted 2022-09-02