Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ZEN callsign genealogy
Currently held by SANDERS, JOHN
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 W3ZEN's current licensee, walking backwards.
- SANDERS, JOHNWAgranted 2010-11-09cancelled 2010-11-28
Successor callsigns
Callsigns held now by people who previously held W3ZEN.
No current licensee on record previously held this callsign.