Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4ZB callsign genealogy
Currently held by Burnett, Zachary R
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 AD4ZB's current licensee, walking backwards.
- Burnett, Zachary RGAgranted 2014-09-10cancelled 2017-07-28
Successor callsigns
Callsigns held now by people who previously held AD4ZB.
- DIGGS, PRESTON EALgranted 2009-04-25cancelled 2012-04-27
All historical holders
Every license row we've seen with the callsign AD4ZB, oldest first.
- Burnett, Zachary R GA2017-07-28 active
- DIGGS, PRESTON E— → cancelled 1999-04-08