Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4XB callsign genealogy
Currently held by Hershberger, Kyle M
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 AG4XB's current licensee, walking backwards.
- Hershberger, Kyle MGAgranted 2002-08-29cancelled 2002-12-27
Successor callsigns
Callsigns held now by people who previously held AG4XB.
- Hershberger, Kyle MNHgranted 2023-06-27