Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5CAZ callsign genealogy
Currently held by COFFEY, CARROLL W
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 WB5CAZ's current licensee, walking backwards.
- Shirley, David LTXgranted 2015-08-27cancelled 2016-12-30
Successor callsigns
Callsigns held now by people who previously held WB5CAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5CAZ, oldest first.
- COFFEY, CARROLL W TX2004-08-09 → cancelled 2016-09-02
- Shirley, David L TX2016-12-30 active