Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN9D callsign genealogy
Currently held by Cambra, Edward M
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 NN9D's current licensee, walking backwards.
- Cambra, Edward MINgranted 1999-06-18cancelled 2008-06-24
Successor callsigns
Callsigns held now by people who previously held NN9D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NN9D, oldest first.
- MASKEL, DAVID L IL1996-05-01 → cancelled 2008-05-02
- Cambra, Edward M IN2018-04-03 active