Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WZ5W callsign genealogy
Currently held by VAUGHN, JOHN C
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 WZ5W's current licensee, walking backwards.
- MCCALLUM, WILLIAM JTXgranted 2018-12-18cancelled 2019-03-19
Successor callsigns
Callsigns held now by people who previously held WZ5W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WZ5W, oldest first.
- VAUGHN, JOHN C AR2007-01-04 → cancelled 2019-02-20
- MCCALLUM, WILLIAM J TX2019-03-19 active