Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4AZV callsign genealogy
Currently held by DE SPAIN, ALVIN 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 W4AZV's current licensee, walking backwards.
- Davis, Thomas AFLgranted 2006-06-16cancelled 2006-11-17
Successor callsigns
Callsigns held now by people who previously held W4AZV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4AZV, oldest first.
- DE SPAIN, ALVIN A KY1996-01-18 → cancelled 2002-03-28
- DAVIS, THOMAS A FL2016-08-31 active