Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MAZ callsign genealogy
Currently held by MILLER, RAYMOND O
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 N4MAZ's current licensee, walking backwards.
- Mazzarese Jr, James VFLgranted 2020-08-07cancelled 2020-09-01
Successor callsigns
Callsigns held now by people who previously held N4MAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MAZ, oldest first.
- MILLER, RAYMOND O TN2005-04-28 → cancelled 2017-04-25
- Mazzarese Jr, James V FL2020-09-01 active