Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9FO callsign genealogy
Currently held by Hill, Timothy E
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 AC9FO's current licensee, walking backwards.
- Hill, Timothy EINgranted 2007-01-09cancelled 2013-07-19
Successor callsigns
Callsigns held now by people who previously held AC9FO.
No current licensee on record previously held this callsign.