Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4NXZ callsign genealogy
Currently held by Hammes, Jonathan 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 W4NXZ's current licensee, walking backwards.
- Hammes, Jonathan RVAgranted 2024-10-16cancelled 2024-11-05
Successor callsigns
Callsigns held now by people who previously held W4NXZ.
No current licensee on record previously held this callsign.