Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MAZ callsign genealogy
Currently held by Mazza, Frank 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 W1MAZ's current licensee, walking backwards.
- Mazza, Frank JMAgranted 2005-03-01cancelled 2006-09-19
Successor callsigns
Callsigns held now by people who previously held W1MAZ.
No current licensee on record previously held this callsign.