Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9ZX callsign genealogy
Currently held by Mangano Sr, Michael K
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 N9ZX's current licensee, walking backwards.
- Mangano Sr, Michael KILgranted 2012-12-15cancelled 2022-07-15
Successor callsigns
Callsigns held now by people who previously held N9ZX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9ZX, oldest first.
- WOOD, ROBERT G WI2012-05-15 → cancelled 2022-06-24
- Mangano Sr, Michael K IL2022-07-15 active