Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NZ9A callsign genealogy
Currently held by WOJCIECHOWSKI, JEROME L
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 NZ9A's current licensee, walking backwards.
- Brown, Marc AILgranted 2019-10-18cancelled 2020-03-14
Successor callsigns
Callsigns held now by people who previously held NZ9A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NZ9A, oldest first.
- WOJCIECHOWSKI, JEROME L IL2007-10-16 → cancelled 2020-01-14
- Brown, Marc A IL2020-03-14 active