Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4RT callsign genealogy
Currently held by Twigg Sr, Ronald 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 AG4RT's current licensee, walking backwards.
- Kirkham, Bobby GALgranted 2014-04-07cancelled 2019-09-27
Successor callsigns
Callsigns held now by people who previously held AG4RT.
- Twigg, Ron LKYgranted 2021-03-10
All historical holders
Every license row we've seen with the callsign AG4RT, oldest first.
- Moore, Edward C FL1996-07-30 → cancelled 2002-06-03
- Twigg Sr, Ronald L KY2010-04-24 → cancelled 2011-03-19
- Kirkham, Bobby G AL2019-09-27 active