Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0YB callsign genealogy
Currently held by Zonfrelli, Joseph V
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 AB0YB'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 AB0YB.
- Zonfrelli, Joseph VCOgranted 2003-05-06cancelled 2015-05-07