Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4C callsign genealogy
Currently held by PADRON, HECTOR
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 AD4C's current licensee, walking backwards.
- PADRON, HECTORcancelled 1998-11-24
Successor callsigns
Callsigns held now by people who previously held AD4C.
- FREDERICK JR, JAMES EFLgranted 2016-08-09