Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1MAC callsign genealogy
Currently held by DI RISSIO III, FRANK P
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 N1MAC's current licensee, walking backwards.
- Gray, Clark ATNgranted 2017-11-21cancelled 2024-05-03
Successor callsigns
Callsigns held now by people who previously held N1MAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MAC, oldest first.
- DI RISSIO III, FRANK P RI2012-02-15 → cancelled 2024-04-16
- Gray, Clark A TN2024-05-03 active