Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4YGW callsign genealogy
Currently held by Mastino, Antonio Francesco
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 K4YGW's current licensee, walking backwards.
- Mastino, Antonio FrancescoNYgranted 2010-10-25cancelled 2011-01-19
Successor callsigns
Callsigns held now by people who previously held K4YGW.
No current licensee on record previously held this callsign.