Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9IX callsign genealogy
Currently held by Hershberger, John 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 AB9IX's current licensee, walking backwards.
- Hershberger, John MILgranted 2001-01-31cancelled 2004-04-26
Successor callsigns
Callsigns held now by people who previously held AB9IX.
No current licensee on record previously held this callsign.