Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ZTY callsign genealogy
Currently held by SCHWARZKOPF, TRAVIS
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 N4ZTY's current licensee, walking backwards.
- SCHWARZKOPF, TRAVISGAgranted 2024-07-02cancelled 2024-09-04
Successor callsigns
Callsigns held now by people who previously held N4ZTY.
- GAUSE, DELONE CSCgranted 2000-04-28cancelled 2012-05-01
All historical holders
Every license row we've seen with the callsign N4ZTY, oldest first.
- GAUSE, DELONE C SC2000-04-22 → cancelled 2000-04-28
- SCHWARZKOPF, TRAVIS GA2024-09-04 active