Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7WCS callsign genealogy
Currently held by SONNENWALD, WAYNE 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 N7WCS's current licensee, walking backwards.
- SONNENWALD, WAYNE CAZgranted 2006-03-08cancelled 2015-10-02
Successor callsigns
Callsigns held now by people who previously held N7WCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7WCS, oldest first.
- ALVAREZ, CARLOS UT1992-02-04 → cancelled 2004-02-05
- SONNENWALD, WAYNE C AZ2015-10-02 active