Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CHY callsign genealogy
Currently held by Zaun Jr., William J
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 W4CHY's current licensee, walking backwards.
- ZAUN JR, WILLIAM JVAgranted 1998-09-17cancelled 2001-08-21
Successor callsigns
Callsigns held now by people who previously held W4CHY.
No current licensee on record previously held this callsign.