Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6MAI callsign genealogy
Currently held by FORTENBERRY, DAVID S
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 N6MAI's current licensee, walking backwards.
- Isabell, Mark ACAgranted 2017-03-13cancelled 2017-03-31
Successor callsigns
Callsigns held now by people who previously held N6MAI.
- Fortenberry, David SCAgranted 2012-08-21cancelled 2018-01-03
All historical holders
Every license row we've seen with the callsign N6MAI, oldest first.
- FORTENBERRY, DAVID S CA2001-06-28 → cancelled 2002-08-23
- Isabell, Mark A CA2017-03-31 active