Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD2HM callsign genealogy
Currently held by Heller, Tobias S
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 AD2HM's current licensee, walking backwards.
- Heller, Tobias SNYgranted 2023-09-15cancelled 2024-03-26
Successor callsigns
Callsigns held now by people who previously held AD2HM.
- Heller, Tobias SNYgranted 2024-04-26