Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4XS callsign genealogy
Currently held by Giallo Ii, Joseph F
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 AF4XS's current licensee, walking backwards.
- GIALLO II, JOSEPH FFLgranted 1997-12-08cancelled 2000-06-08
Successor callsigns
Callsigns held now by people who previously held AF4XS.
- Giallo II, Joseph FNCgranted 2024-01-17