Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA4ZU callsign genealogy
Currently held by Blanton, David L
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 AA4ZU's current licensee, walking backwards.
- Blanton, David LKYgranted 2007-12-10cancelled 2008-12-12
Successor callsigns
Callsigns held now by people who previously held AA4ZU.
No current licensee on record previously held this callsign.