Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5NZZ callsign genealogy
Currently held by Hollfelder, David L
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 N5NZZ's current licensee, walking backwards.
- Hollfelder, David LTXgranted 2020-11-19cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held N5NZZ.
- WALDREP, WILLIAM NTXgranted 1992-02-18cancelled 2004-02-19