Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CHZ callsign genealogy
Currently held by Carmichael, Charles T
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 W4CHZ's current licensee, walking backwards.
- Carmichael, Charles TCOgranted 2006-02-08cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held W4CHZ.
- Carmichael, Charles TCOgranted 2016-12-28