Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7S callsign genealogy
Currently held by SONZINI, MICHAEL J
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 KA7S's current licensee, walking backwards.
- KA7RYAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KA7S.
No current licensee on record previously held this callsign.