Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4SB callsign genealogy
Currently held by BARNETT, MICHAEL D
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 AG4SB's current licensee, walking backwards.
- BARNETT, MICHAEL DFLgranted 1999-05-27cancelled 2002-05-07
Successor callsigns
Callsigns held now by people who previously held AG4SB.
No current licensee on record previously held this callsign.