Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6NMA callsign genealogy
Currently held by COX, RICHARD E
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 N6NMA's current licensee, walking backwards.
- Alexander, Nikki MCAgranted 2007-05-21cancelled 2013-10-01
Successor callsigns
Callsigns held now by people who previously held N6NMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6NMA, oldest first.
- COX, RICHARD E CA1996-01-22 → cancelled 2008-01-23
- Alexander, Nikki M CA2023-08-26 active