Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JAZ callsign genealogy
Currently held by GLEASON, WILLIAM H
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 W7JAZ's current licensee, walking backwards.
- King, JamesORgranted 2008-02-27cancelled 2008-06-24
Successor callsigns
Callsigns held now by people who previously held W7JAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JAZ, oldest first.
- GLEASON, WILLIAM H OR1996-12-27 → cancelled 2005-04-28
- King, James OR2018-07-03 active