Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO2Z callsign genealogy
Currently held by Hess Jr, Robert B
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 NO2Z's current licensee, walking backwards.
- Hess Jr, Robert BAZgranted 2011-07-22cancelled 2012-04-17
Successor callsigns
Callsigns held now by people who previously held NO2Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NO2Z, oldest first.
- EECKHOUT, MICHAEL J NY2002-12-05 → cancelled 2009-04-14
- Hess Jr, Robert B AZ2022-03-15 active