Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4ZHO callsign genealogy
Currently held by Snider Jr, Donald G
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 WB4ZHO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB4ZHO.
- Snider Jr, Donald GVAgranted 2021-01-13