Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB0ZJ callsign genealogy
Currently held by OSORIO, CARLOS
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 AB0ZJ's current licensee, walking backwards.
- OSORIO, CARLOSCOgranted 2003-03-03cancelled 2003-10-22
Successor callsigns
Callsigns held now by people who previously held AB0ZJ.
- OSORIO, CARLOSCOgranted 2013-10-24cancelled 2026-03-06