Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD3C callsign genealogy
Currently held by Abraham, Thomas E
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 AD3C's current licensee, walking backwards.
- Abraham, Thomas EPAgranted 2016-05-27cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held AD3C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD3C, oldest first.
- BANYASZ, BELA A MD2008-04-03 → cancelled 2018-05-15
- Abraham, Thomas E PA2020-06-30 active