Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TZR callsign genealogy
Currently held by AUSTIN LAZARUS, PHYLLIS C
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 N4TZR's current licensee, walking backwards.
- Richards, Timothy ZALgranted 2023-10-17cancelled 2025-06-06
Successor callsigns
Callsigns held now by people who previously held N4TZR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TZR, oldest first.
- AUSTIN LAZARUS, PHYLLIS C CA1991-05-21 → cancelled 2003-05-22
- Richards, Timothy Z AL2025-06-06 active