Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MMA callsign genealogy
Currently held by SPOLIDORO, EDWARD 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 N7MMA's current licensee, walking backwards.
- HALL, MICHAEL DUTgranted 2005-09-17cancelled 2006-01-07
Successor callsigns
Callsigns held now by people who previously held N7MMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7MMA, oldest first.
- SPOLIDORO, EDWARD F AZ1989-03-28 → cancelled 2001-03-29
- HALL, MICHAEL D UT2016-01-27 active