Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1FMM callsign genealogy
Currently held by MGRDICHIAN, 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 N1FMM's current licensee, walking backwards.
- WHATLEY, NINA JFLgranted 2012-12-03cancelled 2019-06-28
Successor callsigns
Callsigns held now by people who previously held N1FMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1FMM, oldest first.
- BREZINA, RICHARD MA1988-02-23 → cancelled 2000-02-24
- MGRDICHIAN, MICHAEL J TN2019-04-30 → cancelled 2019-05-24
- WHATLEY, NINA J GA2019-06-28 active