Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC2TB callsign genealogy
Currently held by Dorney, Mark A
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 AC2TB'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 AC2TB.
- Dorney Mr, Mark ANYgranted 2026-04-04