Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1GRE callsign genealogy
Currently held by Nigrelli, Michael 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 N1GRE's current licensee, walking backwards.
- Nigrelli, Michael PMAgranted 2012-03-14cancelled 2012-05-15
Successor callsigns
Callsigns held now by people who previously held N1GRE.
No current licensee on record previously held this callsign.