Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4ZB callsign genealogy
Currently held by Guyor, Daniel 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 AG4ZB's current licensee, walking backwards.
- Guyor, Daniel RNCgranted 1998-05-18cancelled 2003-04-26
Successor callsigns
Callsigns held now by people who previously held AG4ZB.
- Guyor, Daniel RNYgranted 2005-04-12cancelled 2008-02-29