Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ZK callsign genealogy
Currently held by GRAZIANI, PAUL 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 W5ZK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5ZK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5ZK, oldest first.
- GRAZIANI, PAUL J AR2006-08-31 → cancelled 2015-08-17
- HUSTON, WILLIAM C TX2017-08-08 active