Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4CB callsign genealogy
Currently held by Herron, John 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 AG4CB's current licensee, walking backwards.
- Rodriguez, Angel AVAgranted 2010-02-26cancelled 2016-10-18
Successor callsigns
Callsigns held now by people who previously held AG4CB.
- Herron, John WNCgranted 2010-07-17cancelled 2022-09-24
All historical holders
Every license row we've seen with the callsign AG4CB, oldest first.
- Herron, John W NC2000-08-26 → cancelled 2000-09-23
- Rodriguez, Angel A CO2016-10-18 active