Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO4Z callsign genealogy
Currently held by Alderman Sr, Bernard R
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 NO4Z's current licensee, walking backwards.
- ALDERMAN SR, BERNARD RNCgranted 1999-08-02cancelled 1999-11-18
Successor callsigns
Callsigns held now by people who previously held NO4Z.
No current licensee on record previously held this callsign.