Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ZNM callsign genealogy
Currently held by Wertz, Christopher N
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 W7ZNM's current licensee, walking backwards.
- Wertz, Christopher NAZgranted 2007-11-09cancelled 2007-11-27
Successor callsigns
Callsigns held now by people who previously held W7ZNM.
No current licensee on record previously held this callsign.