Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ZZL callsign genealogy
Currently held by SERVIES, RONNIE A
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 W4ZZL's current licensee, walking backwards.
- SERVIES, RONNIE ATNgranted 1992-04-14cancelled 2001-09-18
Successor callsigns
Callsigns held now by people who previously held W4ZZL.
No current licensee on record previously held this callsign.