Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZWC callsign genealogy
Currently held by WALLS, GLENN D
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 K4ZWC's current licensee, walking backwards.
- WALLS, GLENN DALgranted 2014-04-28cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held K4ZWC.
No current licensee on record previously held this callsign.