Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CZW callsign genealogy
Currently held by WITTEN, CARL Z
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 W4CZW's current licensee, walking backwards.
- WITTEN, CARL ZNCgranted 2006-11-08cancelled 2017-01-06
- WA8VQUno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W4CZW.
No current licensee on record previously held this callsign.